EP1957739B1 - Edge protection device - Google Patents

Edge protection device Download PDF

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Publication number
EP1957739B1
EP1957739B1 EP06817474A EP06817474A EP1957739B1 EP 1957739 B1 EP1957739 B1 EP 1957739B1 EP 06817474 A EP06817474 A EP 06817474A EP 06817474 A EP06817474 A EP 06817474A EP 1957739 B1 EP1957739 B1 EP 1957739B1
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EP
European Patent Office
Prior art keywords
edge
edge protection
rhomboids
main
protection strip
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EP06817474A
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German (de)
French (fr)
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EP1957739A2 (en
Inventor
Victor Liberda
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Individual
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Individual
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Priority to PL06817474T priority Critical patent/PL1957739T3/en
Publication of EP1957739A2 publication Critical patent/EP1957739A2/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/40Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42Detection using safety edges
    • E05F15/48Detection using safety edges by transmission of mechanical forces, e.g. rigid or movable members

Definitions

  • the invention relates to an edge protection device according to the preamble of claim 1.
  • Edge protection devices for mounting on moving objects, in particular on edges, for example, from closing sliding doors or lift doors od. Like., As tarnish or trapping are known. Such edge protection devices prevent injury or damage when starting the edge or the edge protection device on or against an obstacle.
  • edge protection strip is provided, which is fastened to the edge via two parallel straight guide rods.
  • the guide rods are pivotally mounted at both ends, whereby a compelling parallel guidance between the edge protection strip and the edge is ensured.
  • a relative movement of the edge protection strip with respect to the edge which corresponds to the length of the guide rods, likewise necessarily ensues.
  • the edge protection strip is offset parallel to the edge and either raised or lowered.
  • Such devices are for example from the US Pat. No. 3,537,211 , of the CH 283 179 A or the US Pat. No. 3,159,728B known.
  • the object of the invention is therefore to provide an alternative edge protection device, which ensures a movement of the edge protection strip in a height or level with the edge or the door and without heightwise relative displacement while avoiding the said disadvantage.
  • the characterizing features of claim 1 have the advantage that when installing the edge protection strip no consideration must be taken to a possible height-related relative movement of the edge protection strip with respect to the edge.
  • the edge protection bar moves towards the edge while maintaining the parallel orientation, an upward or downward shift does not occur. This facilitates installation and simplifies the construction. In addition, so danger spots are avoided, which can be caused by the height relative movement of the edge protection strip.
  • the edge protection device according to the invention given a caster, within which the closing door or edge must come to a halt.
  • the means for fixing the edge protection strip is created.
  • the means thus formed are stable and durable and ensure the parallel guidance of the edge protection strip.
  • This embodiment is structurally designed such that a permanent operation is possible and the structural stability is improved.
  • a further advantageous embodiment is defined by the features of claim 3. Although on the one hand the weight is slightly higher, one is not limited in the choice of the connecting means to torsionally rigid connection means, but it can also be used flexible connecting elements.
  • the features of claim 10 are provided.
  • the springs can be arranged in different places. It is advantageous here that there is a degression of the spring force during compression of the edge protection device.
  • the compression of the edge protection strip initially exerts a large force on moving edges when hitting an obstacle, which force is detected by detection means and initiates and effects the stopping or reversing of movement of the moving edge.
  • the edge protection ledge of the moving edge just this sufficient overtravel, so that even large masses within the given safety standards can be brought to a standstill without the trapped obstacle to exert too much force. Due to the interaction of the spring action in the described direction and the action of the external forces perpendicular thereto via the scissors, a strong degression of the force is achieved toward the end of the movement, which emits the depressed edge to the outside.
  • the door or the gate must not be locked in the closed position, since the residual force of the edge protection device is not sufficient to press it.
  • Fig. 1a shows an edge protection device with two main scissors 4a, 4b, which are connected via two connecting elements 10 ', 10 ".
  • the edge protection strip 3 is connected to the edge 2 of the door via the two main shears 4a, 4b, e.g. a sliding door, lift door, lift door or fire door, attached.
  • the main shears 4a, 4b are located in a relatively outer or terminal position relative to the edge protection strip 3.
  • the main shears 4a, 4b have the shape of a pivotable diamond or a square. This form can be pivoted or moved like a safety gate.
  • the first main scissors 4a is constructed, like the second main scissors 4b, of four main scissor segments 5a connected to each other in a pivotable manner. These main scissor segments 5a are connected via pivot bearings or pivot bearing pins 6a, 7a, 8a, 9a to the said pivotable parallelogram.
  • one of the edge guard 3 is far-sided, ie, edge-side, that is, angled.
  • edge protection strip 3 close, pivot bearing 6a, one of the edge protection strip 3 near or zugewandes edge protection strip side pivot bearing 7a, an inwardly disposed or inwardly facing, the adjacent main scissors 4b facing, inner pivot bearing 9a and an externally disposed or outwardly facing, the adjacent Main scissor 4 b averted outer pivot bearing 8 a provided.
  • edge-side pivot bearing 6a the main scissors 4a on the edge 2 can be fastened.
  • edge protection strip 3 is connected to the main scissors 4a.
  • Anlog the second outer main shear 4b is constructed.
  • the two inner pivot bearings 9a, 9b of the two main shears 4a, 4b face each other inwardly or are arranged adjacent.
  • the two outer pivot bearings 8a, 8b respectively face upwards and downwards.
  • the two main shears 4a, 4b are coupled to each other in a parallel manner by means of a parallel link mechanism such that the edge protection strip 3 can perform exclusively a displacement or movement oriented perpendicularly to the edge 2, the edge protection strip 3 moving in the direction of the edge 2 during its movement. away from the edge 2 is constantly aligned parallel to the edge 2. There is a parallel displacement of the edge protection strip 3 in the direction perpendicular to the edge of the second
  • the first connection element 10 'and the second connection element 10 are designed as flat but rigid or non-rigid or only slightly bendable rods, thus acting both as a tensile and compression means the main scissors 4a, 4b with each other or couple this.
  • the first connecting element 10 ' connects the inner pivot bearing 9a of the first main shears 4a to the outer pivot bearing 8b of the second main shears 4b.
  • the first connecting element 10 ' is fastened on one side of the scissors 4a, 4b, the second connecting element 10 "on the opposite other side of the scissors 4a, 4b.
  • connecting element 10 would be sufficient to cause a parallel guidance of the movement of the two main shears 4a, 4b. It is essential that this connecting element 10 connects the outer pivot bearing 8a, 8b of the one main scissors 4a, 4b with the inner pivot bearing 9b, 9a of the other main scissors 4b, 4a.
  • Fig. 1b shows a representation of the edge protection device after Fig. 1a with demounted first connecting element 10 '.
  • the second connecting element 10 now connects the originally still free inner pivot bearing 9b of the second main shears 4b with the originally still free outer pivot bearing 8a of the first main shears 4a.
  • edge protection device moves in accordance with Fig. 2a and 2b perform.
  • the pivot bearings 6a, 6b approach each other and the pivot bearings 8a, 9a move away from each other.
  • the connecting elements 10 ', 10 "move parallel to each other at a constant distance from each other.
  • an elongate recess 12 ' is provided in the first connecting element 10' and an elongated recess 12 "in the second connecting element 10".
  • the elongated recess 12 ' is formed in the region of the free, not connected to the first connecting element 10', inner pivot bearing 9b of the second main shears 4b.
  • the free inner pivot bearing 9b engages in the recess 12 'and is guided or stored therein.
  • the recess 12 ' has a length corresponding to the displacement or movement of the pivot bearing 9b.
  • the elongated recess 12" is formed in the region of the free inner pivot bearing 9a of the first main shears 4a which is not connected to the second connecting element 10.
  • This free inner pivot bearing 9a engages in the recess 12 'and is linearly guided therein .
  • Fig. 2a It can be seen that upon compression of the edge protection device, the inner pivot bearing 9b of the second main shears 4b has moved to the other upper extreme position within the elongate recess 12 '. The same applies to Fig. 2b However, this is not clearly visible here.
  • Fig. 3a and 3b show front views of the edge protection device Fig. 1a. and 1b , It can be seen that the two connecting elements 10 'and 10 "are guided parallel to one another, but they are arranged offset from one another.
  • the first main shears 4a are arranged in the upper area, and the second main shears 5a are arranged in the lower area.
  • Fig. 1 . 2 and 3 are further handlebars 11a, 11b shown to prevent falling or slipping of the edge protection device.
  • the handlebar 11a is actually formed by one of the main scissors segments 5a.
  • the handlebar 11a starts from the edge protection strip side pivot bearing 7a and is mounted in the inner pivot bearing 9a, ie the handlebar 11a performs when compressing the edge protection device to the inner pivot bearing 9a a lever-like. Move.
  • the inner pivot bearing 9a represents the central axis for this movement.
  • the link 11a is extended in the direction of the edge 2 and has a handlebar head 13a, which constantly has contact with the edge 2 in the assembly position.
  • Each pair of scissors 4a, 4b, 4c may have one or more such links 11a, 11b, 11c,. Sufficient would be in principle a single link 11 for the entire edge protection device, since the scissors are 4a, .... coupled motion parallel anyway.
  • the inner pivot bearings 9a and 9b move towards each other and the outer pivot bearings 8a, 8b move away from each other.
  • the edge-side pivot bearings 6a, 6b and the edge guard side pivot bearings 7a, 7b approach each other in a straight line.
  • the handlebars 13a, 13b also move towards each other.
  • FIG. 4a, 4b For example, an edge protection device having a first connection element 10 'and a second connection element 10 "is shown, wherein the connection elements 10', 10" are not as shown in FIG Fig. 1 . 2 and 3 Rigid rods, but soft deformable or movable ropes or cords are.
  • the principle is the same, the inner pivot bearing of the first main scissors must be connected to the outer pivot bearing of the second main scissors 4b, but such a device would be in contrast to a device with a connecting element acting as a tension and pressure means, this is not sufficient, in which case a second connecting element 10 "must be provided, which connects the still free pivot bearings to one another.
  • a first connection element 10 'and a second connection element 10 " is shown, wherein the connection elements 10', 10" are not as shown in FIG Fig. 1 . 2 and 3 Rigid rods, but soft deformable or movable ropes or cords are.
  • the inner pivot bearing of the first main scissors must
  • connection of the first connecting element 10 ' is shown.
  • edge protection device is shown with the second connection element 10 ", in this case it is important that both connection elements 10 'and 10" are provided.
  • the parallel coupling is done only by tensile forces.
  • the first connecting element 10 ' is fastened on one side of the scissors 4a, 4b, the second connecting element 10 "on the opposite other side of the scissors 4a, 4b.
  • Fig. 5a and 5b show a further embodiment of the edge protection device with also soft and flexible connecting elements 10 'and 10 ", which also, as in Fig. 4a and 4b , are formed only as traction means.
  • the operation is the same: as soon as the edge protection device is compressed, the outer pivot bearing of the second main scissor 4b moves outward and thereby pulls the inner pivot bearing of the first main scissors 4a with. As a result, the first main scissors 4 a are also pulled apart, and the edge protection strip 3 approaches the edge 2. Conversely, this movement causes the outer pivot bearing of the first main scissors 4 a to move outward, and the connecting element pulls the inner pivot bearing of the second main scissors and thereby also causes a crushing of the second main scissors 4 b.
  • limiting elements 16a, 16b These are designed here as ropes which connect the edge-side pivot bearings 6a, 6b with the edge protection strip side pivot bearings 7a, 7b.
  • the maximum movement of the edge protection strip 3 can not extend beyond the maximum length of the boundary elements 16a, 16b.
  • Such delimiting elements 16a, 16b could also be guided directly from the edge 2 to the edge protection strip 3 or extend, for example, from the edge 2 to one of the outer or inner pivot bearings.
  • FIG. 6a and 6b now show an edge protection device with additional scissors, which are hereinafter referred to as middle shears 4c, 4d, ....
  • Such middle shears 4c, 4d, ... serve to reduce the buckling length of the edge protection strip 3 and are arranged between the two outer main shears 4a and 4b.
  • These middle shears 4c, 4d, ... are connected to the connecting elements 10 ', 10 "in the same sense as the main shears 4a, 4b, that is to say they are also coupled in a motion-parallel manner as are the main shears 4a, 4b.
  • 4d is analogous to the main scissors 4a, 4b.
  • FIG. 6a and 6b illustrated center shears 4c described in detail.
  • This central scissors 4c, as well as the main scissors 4a, 4b of four mutually pivotable or articulated middle scissor segments 5c, the via pivot bearings or pivot bearing pins 6c, 7c, 8c, 9c are connected to each other to a pivotable parallelogram.
  • the naming of the pivot bearing is analogous to the main shears 4a, 4b.
  • the center scissors 4c is coupled with the outer main scissors 4a, 4b via a parallel steering mechanism in such a way that they are parallel to each other in motion such that the edge protection strip 3 is aligned or guided or displaceable or movable parallel to the edge 2.
  • the pivot bearings 8, 9 of the center shears 4 c, 4 d .... can no longer be identified by the words "inside” or "outside”, but are essentially equivalent. In analogy to the figures shown before, however, the nomenclature of the outer or inner pivot bearings is retained for reasons of distinction.
  • the edge protection strip 3 is also fastened in the edge guard side pivot bearing 7c of the center shears 4c, wherein this attachment can also be omitted and the pivot bearing 7c can be provided only as a stiffener against external pressure.
  • the parallel coupling takes place via the connecting elements 10 ', 10 ".
  • the first connecting element 10 ' is fastened to the pivot bearing 8c of the center shears 4c.
  • the other opposing pivot bearing 9c is guided in an elongate recess 15 '.
  • This recess 15 ' is the same as the recess 12' is formed.
  • Fig. 6b now shows the edge protection device Fig. 6a without the connecting element 10 '.
  • the second connecting element 10 " which is fastened on the other side of the main shears 4a, 4b, can be seen, and the second connecting element 10" is also fastened on the other side of the central shears 4c, namely in the other pivot bearing 9c. It likewise has an elongate recess 15 ", into which recess 15" engages the opposite pivot bearing 8c and is linearly guided therein.
  • the connecting elements 10 'and 10 "coordinate the movements in the same direction of the pivot bearings of the different scissors 4a, 4b, 4c with one another pointing in the opposite direction, but also in the same direction, upward movement.
  • handlebars 11c, 11d .... may be arranged.
  • An angle ⁇ is formed between the scissor segments 5a, 5b, 5c, specifically on the edge-protection-side pivot bearing 7a, 7b and 7c.
  • This angle ⁇ changes during the movement of the edge protection device. All angles within a pair of scissors 4 change in the way that is mandatory in a pivotable rhombus or a pivotable parallelogram. When compressing the edge protection device, for example when hitting an obstacle, the angle ⁇ is greater until it is almost 180 °, when opening or relaxing the edge protection device again smaller.
  • the movement of the shears 4 should now be limited such that the angle ⁇ in the uncompressed starting position is between> 0 ° and ⁇ 120 °, wherein the angle ⁇ in this initial position is in particular between 3 ° and 20 °.
  • Such a limitation of the movement of the shears 4 can be effected either by the recesses 12 or by mechanical limiting elements 16a, 16b.
  • Such limiting elements 16a, 16b may be either rigid bars or flexible ropes, as shown in FIG Fig. 5a, 5b is shown. Stiff limiting elements act in both directions limiting, flexible limiting elements only in one.
  • the limiting elements 16a, 16b can be designed such that the edge protection device can only be compressed to a certain position, that the edge protection device can be opened to a maximum position or that it can only be moved back and forth within a certain range.
  • Such means may be spring means 14, in particular tension or compression springs.
  • spring means 14 are shown.
  • Fig. 3a is a single spring means and in Fig. 3b provided two spring means.
  • These spring means 14 are arranged between the connecting elements 10 'and 10 ", so that the connecting elements 10' and 10" are connected to one another via these spring means 14 or are in relation to each other in the axial direction relative movement at a constant distance between the parallel connecting elements 10 ', In an axial Relatiwerschiebung the two connecting elements 10 'and 10 "against each other, ie when a connecting element 10' is moved upward and the other connecting element 10" down, always parallel to each other, then causes the spring means 14, that the two connecting elements 10 ', 10 "return to their original position. The movement of the connecting elements 10 'and 10 "in turn, as described previously, causes a movement of the scissors 4 and thus the entire edge protection device.
  • spring means 14 shown are tension springs.
  • the spring means 14 are in a compressed and defined biased state. If now the edge protection device is compressed, the outer pivot bearings 8 move away from the inner pivot bearings 9 as described, and this also causes an upward movement of the second connecting element 10 "and a downward movement of the first connecting element 10 ' If the pressure then leaves on the edge protection device, the spring 14 contracts and the connecting elements 10 'and 10 "are set back into their initial position, which is equivalent to a return movement of the edge protection device or the edge protection strip 3 into their starting position ,
  • the compression springs 14 can also extend from the outer or the inner pivot bearings 8, 9 to the edge 2 or the edge protection strip 3.
  • the spring effect or the direction of the spring action of the spring means extends in an axis parallel to the edge protection strip 3 or at an angle to the edge protection strip 3, which decreases in the direction of the edge 2 during the movement of the edge protection strip 3.
  • edge protection strip 3 When the edge protection strip 3 impinges on an obstacle, a force of approximately 25 to 200 N but at most 1400 N is first exerted on the obstacle because of the prestressing of the spring means. This force is measured by a detection device, which causes a shutdown or a reversal of movement of the edge 2 or the sliding door. This is still done with a certain time delay, which also results in a certain follow-up path of the dangerous edges 2. The edge protection strip 3 or the edge protection device now grant this certain overtravel without endangering safety.
  • the edge protection strip 3 therefore only exerts a normally permissible, low-pressure, low force pressure on an obstacle, such as e.g. a body.
  • the spring means 14 are biased with a force of 5 N / mm to 400 N / mm, in particular from 10 N / mm to 150 N / mm or have a spring constant of 0.5 N / mm to 5 N / mm, in particular of 1 N / mm to 3 N / mm, on.
  • additional additional main shears 4a ', 4b', 4a ", 4b" may be provided. These additional main shears 4a ', 4b' ... are arranged next to the original two main shears 4a, 4b. A preferred arrangement is that the additional main shears 4a ', 4b' ... are parallel to the main shears 4a, 4b.
  • the pivot bearings 6, 7, 8, 9 of the main shears 4a, 4b are advantageously aligned in the pivot bearings of the additional main shears or are identical to the pivot bearings 6, 7, 8, 9 of the additional main shears or are on common axes. The same also applies to additional sibling or parallel arranged middle shears 4c ', 4d'.
  • Fig. 7a and 7b show such an edge protection device with an additional main scissors 4a 'and 4b'.
  • additional shear elements 5a ' are fastened on the left side of the main scissors 4a.
  • These additional shearing elements 5a ' represent an additional, although not complete, additional main shears 4a'.
  • the additional main shears 4a 'and the original main shears 4a are mounted on the same common pivot axes 6, 7, 8, 9.
  • the second main shears 4b are designed analogously to the first one Fig. 3a and 3b again, the possibility of one or two spring means 14 between the connecting elements 10 'and 10 "provided.
  • Fig. 8a to 8e show a further embodiment of the edge protection device.
  • an additional main scissors 4a ' is attached to an original main scissors 4a top right.
  • the original main scissors 4a has two connecting elements 10 ', 10 "
  • the additional main scissors 4a' comprises two Connecting elements, which are also designated 10 'and 10 ".All the connecting elements 10' and 10" of the original main scissors 4a and the additional main scissors 4a 'are arranged parallel to each other.
  • the situation is similar for the second main shear 4b, to which an additional main shear 4b 'is attached.
  • the pivot axes 6, 7, 8, 9 are also common here.
  • the arrangement of the spring means 14, as shown in the Fig. 8a to 8e is shown, vary.
  • FIG. 9 an embodiment of three parallel juxtaposed or composite single edge protection devices is shown.
  • a first additional auxiliary main scissors 4a 'and, on the right a second additional auxiliary main scissors 4a "are fastened to the original main scissors 4a on the right.
  • the swivel axes 6, 7, 8, 9 are in turn common to all of these scissors 4a, 4a'4a"
  • Each of these scissors 4a, 4a ', 4a also has two connecting elements 10' and 10", which are aligned parallel to one another two connecting elements 10 'and 10 "of a main scissors 4, 4', 4".
  • Fig. 10 shows an embodiment with four sibling scissors, a main scissors 4a, a right next to arranged additional main scissors 4a ', another additional main scissors 4a "and still another additional main scissors 4a”'.
  • the scissors 4a, 4a 'and 4a “are complete and each have three shear segments 5 as well as a respective link 11a, 11a' and 11a".
  • the rightmost additional main scissors 4a "'has a handlebar 11a'" on.
  • the error means 14 are in turn arranged arbitrarily between the connecting elements 10 ', 10 ".
  • the Fig. 11a and Fig. 11b show a further embodiment of an edge protection device, in which two scissors, a main scissors 4a and an additional main scissors 4a 'are interconnected via webs 17a. These webs 17a are aligned with the axes 6, 7, 8, 9. The webs 17a, 17b serve to increase the distance or as a spacer between the main scissors 4a and the additional main scissors 4a '.
  • the webs 17a and 17b can be formed as axes and thus cause a uniform movement of adjacent scissors.
  • Fig. 12a and 12b a further embodiment of an edge protection device is shown, the in Fig. 11a, 11b shown embodiment comes very close. In contrast, however, are the handlebars 11a, 11a 'of the main scissors 4a and the auxiliary scissors 4a' inside and the shear segments 5a and 5a 'outside.
  • detection means are provided for detecting an approach of the edge protection strip 3 to the edge 2, wherein, if necessary, the movement of the edge 2 or of the object is stopped when approaching.
  • Such means of detection can, as stated, be force sensors which detect the force increase by measuring the motor current and then switch or stop the door movement.
  • the edge protection strip 3 may be formed, for example, in cross-section U-shaped, wherein the legs of the U-shaped edge protection strip 3 are pulled in the direction of the edge 2 and thus the means 4a, 4b, 4c, ... or scissors from the side are more accessible or side view of the view and the access in the means 4a, 4b, 4c, ... or scissors is blocked.
  • the thighs can be pulled on beyond the beginning of edge 2 to provide additional security.
  • the means 4a, 4b, 4c, ... or scissors in a groove-shaped, elongated recess in the edge 2 are retractable.
  • the means 4a, 4b, 4c, ... or scissors are fastened in this case at the bottom of the groove.
  • the edge protection strip 3 closes off with the edges rising up on both sides of the groove.
  • the means 4a, 4b, 4c, ... or scissors are thus compressed substantially in the interior of the groove.
  • FIGS. 13 and 14 edge protection devices with two scissors or a main scissors 4a, 4b and an additional main scissors 4a ', 4b' with profiled fasteners 10 are shown.
  • the first and second connecting elements 10 ', 10 " are configured as two identically dimensioned profiled strips each having a U-shaped cross section Fig. 7a or 7b, arranged side by side and parallel to each other. Between the connecting elements 10 ', 10 ", the spring 14 is arranged.
  • FIGs. 14a and 14b 3 shows an edge protection device with alternatively configured connecting elements 10 ', 10 "The connecting elements 10', 10" are likewise designed as profiled strips with a U-shaped cross section. In this embodiment, however, the connecting elements 10 ', 10 "are arranged nested in one another.
  • the first connecting element 10' has a larger cross section
  • the second connecting element 10 has a smaller dimensioned cross section. This second connecting element 10 "runs centrally and parallel inside the first connecting element 10 'with the larger cross-section
  • the two springs 14 are arranged inside the first connecting element 10' and between the smaller second connecting element 10" and the larger first connecting element 10 '.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Window Of Vehicle (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Scissors And Nippers (AREA)

Abstract

The invention relates to an edge protection device (1) to be mounted onto the edges (2) of mobile objects, especially sliding doors or the like, as a protection against colliding or jamming, in order to prevent injury in the event of the edge (2) hitting an obstacle. Said device comprises: an edge protection strip (3) which is arranged at a distance from the edge (2) in the position of use, means (4a, 4b, 4c, ...) for fixing the edge protection strip (3) to the edge (2), and detection means for detecting a movement of the edge protection strip (3) towards the edge (2), in which case optionally the movement of the edge (2) is stopped. The invention is characterised in that the means (4a, 4b, 4c, ...) have a concertina-type structure and are coupled to each other by means of a parallel guiding mechanism in such a way that they move in parallel, the edge protection strip (3) being displaced exclusively vertically towards the edge (2), maintaining the parallelism in relation to the edge (2).

Description

Die Erfindung betrifft eine Kantenschutzvorrichtung gemäß dem Oberbegriff des Anspruches 1.The invention relates to an edge protection device according to the preamble of claim 1.

Kantenschutzvorrichtungen zur Montage an beweglichen Gegenständen, Insbesondere an Kanten, beispielsweise von sich schließenden Schiebetüren bzw. Lifttüren od. dgl., als Anlauf- bzw. Einklemmsicherung sind bekannt. Derartige Kantenschutzvorrichtungen verhindern beim Anlaufen der Kante bzw. der Kantenschutzvorrichtung an bzw. gegen ein Hindernis Verletzungen oder Beschädigungen.Edge protection devices for mounting on moving objects, in particular on edges, for example, from closing sliding doors or lift doors od. Like., As tarnish or trapping are known. Such edge protection devices prevent injury or damage when starting the edge or the edge protection device on or against an obstacle.

So sind beispielsweise Sicherungssysteme für Lifttüren bekannt, bei denen eine Kantenschutzleiste vorgesehen ist, die über zwei zueinander parallele gerade Führungsstangen an der Kante befestigt ist. Die Führungsstangen sind an ihren beiden Enden schwenkbar gelagert, wodurch eine zwingende Parallelführung zwischen der Kantenschutzleiste und der Kante gewährleistet ist. Allerdings erfolgt dadurch ebenfalls zwingend eine der Länge der Führungsstangen entsprechende Relativbewegung der Kantenschutzleiste bezüglich der Kante d.h. die Kantenschutzleiste wird parallel gegenüber der Kante versetzt und entweder angehoben oder abgesenkt.For example, security systems for lift doors are known in which an edge protection strip is provided, which is fastened to the edge via two parallel straight guide rods. The guide rods are pivotally mounted at both ends, whereby a compelling parallel guidance between the edge protection strip and the edge is ensured. However, a relative movement of the edge protection strip with respect to the edge, which corresponds to the length of the guide rods, likewise necessarily ensues. the edge protection strip is offset parallel to the edge and either raised or lowered.

Derartige Vorrichtungen sind beispielsweise aus der US 3 537 211 A , der CH 283 179 A oder der US 3 159 72B A bekannt.Such devices are for example from the US Pat. No. 3,537,211 , of the CH 283 179 A or the US Pat. No. 3,159,728B known.

Aufgabe der Erfindung ist es daher, eine alternative Kantenschutzeinrichtung zu schaffen, die unter Vermeidung des besagten Nachteils eine Bewegung der Kantenschutzleiste in einer Höhe bzw. Ebene mit der Kante bzw. der Türe und ohne höhenmäßige Relativverschiebung gewährleistet.The object of the invention is therefore to provide an alternative edge protection device, which ensures a movement of the edge protection strip in a height or level with the edge or the door and without heightwise relative displacement while avoiding the said disadvantage.

Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is solved by the characterizing features of claim 1.

Die kennzeichnenden Merkmale des Anspruches 1 haben den Vorteil, dass beim Einbau der Kantenschutzleiste keine Rücksicht auf eine eventuelle höhenmäßige Relativbewegung der Kantenschutzleiste bezüglich der Kante genommen werden muss. Die Kantenschutzleiste bewegt sich unter Beibehaltung der parallelen Ausrichtung auf die Kante zu, eine Versetzung nach oben oder nach unten erfolgt nicht. Dies erleichtert den Einbau und vereinfacht die Konstruktion. Außerdem werden so Gefahrenstellen vermieden, die durch die höhenmäßige Relativbewegung der Kantenschutzleiste entstehen können. Außerdem wird durch die erfindungsgemäße Kantenschutzvorrichtung ein Nachlaufweg gegeben, innerhalb dem die sich schließende Türe bzw. Kante zum Halt kommen muss.The characterizing features of claim 1 have the advantage that when installing the edge protection strip no consideration must be taken to a possible height-related relative movement of the edge protection strip with respect to the edge. The edge protection bar moves towards the edge while maintaining the parallel orientation, an upward or downward shift does not occur. This facilitates installation and simplifies the construction. In addition, so danger spots are avoided, which can be caused by the height relative movement of the edge protection strip. In addition, by the edge protection device according to the invention given a caster, within which the closing door or edge must come to a halt.

Dadurch wird eine konstruktiv vorteilhafte Ausführungsform der Mittel zur Befestigung der Kantenschutzleiste geschaffen. Die so ausgebildeten Mittel sind stabil und langlebig und gewährleisten die parallele Führung der Kantenschutzleiste.As a result, a structurally advantageous embodiment of the means for fixing the edge protection strip is created. The means thus formed are stable and durable and ensure the parallel guidance of the edge protection strip.

Aus Gründen der Gewichtsersparnis ist es vorteilhaft, die Merkmale des Anspruchs 2 vorzusehen. Diese Ausführungsform ist konstruktiv derart gestaltet, dass eine dauerhafte Betätigung möglich ist und die konstruktive Stabilität verbessert wird.For reasons of weight saving, it is advantageous to provide the features of claim 2. This embodiment is structurally designed such that a permanent operation is possible and the structural stability is improved.

Eine weitere vorteilhafte Ausführungsform wird durch die Merkmale des Anspruchs 3 definiert. Hierbei ist einerseits zwar das Gewicht etwas höher, jedoch ist man in der Wahl der Verbindungsmittel nicht auf verwindungssteife Verbindungsmittel eingeschränkt, sondern es können auch flexible Verbindungselemente verwendet werden.A further advantageous embodiment is defined by the features of claim 3. Although on the one hand the weight is slightly higher, one is not limited in the choice of the connecting means to torsionally rigid connection means, but it can also be used flexible connecting elements.

Zur Verringerung der Knicklänge der Kantenschutzleiste ist es vorteilhaft, wenn die Merkmale des Anspruchs 4 vorgesehen sind. Die Vorteile der vorhergehenden Ansprüche werden hier beibehalten. Konstruktiv sind die zusätzlichen Scheren in Analogie zu den Hauptscheren aufgebaut und gestaltet.To reduce the buckling length of the edge protection strip, it is advantageous if the features of claim 4 are provided. The advantages of the preceding claims are retained here. Constructively, the additional scissors are constructed and designed in analogy to the main scissors.

Um eine optimale Bewegung der Kantenschutzvorrichtung zu gewährleisten, ist es vorteilhaft, wenn die Winkelangaben des Anspruchs 6 eingehalten werden. Eine Auswahl an unterschiedlich wirkenden Verbindungselementen wird auch durch die Ansprüche 7 und 8 gestattet. Je nach Anwendung und nach Anzahl der Verbindungselemente kann unterschiedlich gewählt werden.In order to ensure optimum movement of the edge protection device, it is advantageous if the angle specifications of claim 6 are met. A selection of differently acting connecting elements is also permitted by claims 7 and 8. Depending on the application and the number of fasteners can be chosen differently.

Um ein Abkippen bzw. "Herunterfallen" der Kantenschutzleiste im Betrieb zu verhindern, ist es vorteilhaft, wenn die Merkmale des Anspruchs 9 vorgesehen sind. Dadurch wird auf konstruktiv einfache Art vermieden, dass es zu einer höhenmäßigen Relativbewegung bzw. -verstellung kommt und es wird die Parallelführung der Kante bei horizontaler Schließung der Türe gewährleistet.In order to prevent tilting or "dropping" of the edge protection strip in operation, it is advantageous if the features of claim 9 are provided. This avoids a structurally simple way that it comes to a height-relative movement or adjustment and it ensures the parallel guidance of the edge with horizontal closure of the door.

Um die Kantenschutzleiste in ihre Ausgangsposition zurückstellen zu können, ist es vorteilhaft, wenn die Merkmale des Anspruchs 10 vorgesehen sind. Die Federn können an unterschiedlichen Stellen angeordnet werden. Vorteilhaft ist hierbei, dass es zu einer Degression der Federkraft beim Zusammendrücken der Kantenschutzvorrichtung kommt.In order to reset the edge protection strip in its original position, it is advantageous if the features of claim 10 are provided. The springs can be arranged in different places. It is advantageous here that there is a degression of the spring force during compression of the edge protection device.

Das Zusammendrücken der Kantenschutzleiste übt auf bewegte Kanten beim Auftreffen auf ein Hindernis zunächst eine große Kraft aus, die von Detektionsmitteln erfasst wird und ein Stillsetzen bzw. eine Bewegungsumkehr der bewegten Kante einleitet und bewirkt. Da jedoch massive und schwere Türen bzw. Kanten relativ lange Nachlaufwege haben, gewährt nun die Kantenschutzleiste der bewegten Kante eben diesen ausreichenden Nachlaufweg, sodass auch große Massen innerhalb der gegebenen Sicherheitsnormen zum Stillstand gebracht werden können, ohne auf das eingeklemmte Hindernis eine zu große Kraft auszuüben. Durch das Zusammenspiel der Federwirkung in der beschriebenen Richtung und der Einwirkung der äußeren Kräfte senkrecht dazu über die Scheren, wird zum Ende der Bewegung hin eine starke Degression der Kraft erreicht, die die gedrückte Kante nach außen abgibt. Die Türe bzw. das Tor muss in der geschlossenen Stellung nicht verriegelt werden, da die Restkraft der Kantenschutzvorrichtung nicht ausreicht, um es aufzudrücken.The compression of the edge protection strip initially exerts a large force on moving edges when hitting an obstacle, which force is detected by detection means and initiates and effects the stopping or reversing of movement of the moving edge. However, since massive and heavy doors or edges have relatively long overtravel, now the edge protection ledge of the moving edge just this sufficient overtravel, so that even large masses within the given safety standards can be brought to a standstill without the trapped obstacle to exert too much force. Due to the interaction of the spring action in the described direction and the action of the external forces perpendicular thereto via the scissors, a strong degression of the force is achieved toward the end of the movement, which emits the depressed edge to the outside. The door or the gate must not be locked in the closed position, since the residual force of the edge protection device is not sufficient to press it.

Zur Stabilisierung der Kantenschutzleiste gegen seitliche Kraftangriffe ist es vorteilhaft, wenn die Merkmale der Ansprüche 11 und/oder 12 vorgesehen sind.To stabilize the edge protection strip against lateral force attacks, it is advantageous if the features of claims 11 and / or 12 are provided.

Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der Beschreibung und den beiliegenden Zeichnungen.Further advantages and embodiments of the invention will become apparent from the description and the accompanying drawings.

Die Erfindung ist anhand von Ausführungsbeisplelen und Zeichnungen schematisch dargestellt und wird im folgenden unter Bezugnahme auf die Zeichnungen beispielsweise beschrieben.

  • Fig. 1a zeigt eine Kantenschutzvorrichtung mit zwei Hauptscheren und zwei Verbindungselementen.
  • Fig. 1b zeigt die Kantenschutzvorrichtung nach Fig. 1a mit abmontiertem ersten Verbindungselement.
  • Fig. 2a zeigt die Kantenschutzvorrichtung nach Fig. 1a in geschlossenem bzw. komprimiertem Zustand.
  • Fig. 2b zeigt die Kantenschutzvorrichtung nach Fig. 1 b in geschlossenem bzw. komprimiertem Zustand.
  • Fig. 3a zeigt die Kantenschutzvorrichtung nach Fig. 1a in Vorderansicht.
  • Fig. 3b zeigt eine Alternative der Kantenschutzvorrichtung nach Fig. 1a in Vorderansicht
  • Fig. 4a zeigt eine Alternative einer Kantenschutzvorrichtung mit Zugmitteln.
  • Fig. 4b zeigt eine Alternative der Ausführungsform nach Fig. 4a
  • Fig. 5a zeigt eine alternative Kantenschutzvorrichtung mit Begrenzungselement.
  • Fig. 5b zeigt eine alternative Kantenschutzvorrichtung gemäß Fig. 5a.
  • Fig. 6a zeigt eine weitere alternative Kantenschutzvorrichtung mit einer zusätzlichen Mittelschere.
  • Fig. 6b zeigt die Kantenschutzvorrichtung nach Fig. 6a mit abmontiertem ersten Verbindungselement.
  • Fig. 7a und 7b zeigen alternative Kantenschutzvorrichtungen mit Zusatzscheren und unterschiedlicher Federanordnung.
  • Fig. 8a bis 8e zeigen alternative Kantenschutzvorrichtungen mit Zusatzscheren und zusätzlichen Verbindungselementen mit unterschiedlicher Federanordnung.
  • Fig. 9 zeigt eine alternative Kantenschutzvorrichtung mit drei parallelen Einzelvorrichtungen.
  • Fig. 10 zeigt eine Kantenschutzvorrichtung mit vier parallelen Einzelvorrichtungen.
  • Fig. 11 a und 11 b zeigen weitere alternative Kantenschutzvorrichtungen.
  • Fig. 12a und 12b zeigen weitere alternative Kantenschutzeinrichtungen.
  • Fig. 13a und 13b zeigen Kantenschutzvorrichtungen mit profilierten Verbindungselementen.
  • Fig. 14a und 14b zeigen Kantenschutzvorrichtungen mit alternativ ausgestalteten profilierten Verbindungselementen.
The invention is illustrated schematically with reference to embodiments and drawings and will be described below with reference to the drawings, for example.
  • Fig. 1a shows an edge protection device with two main scissors and two connecting elements.
  • Fig. 1b shows the edge protection device after Fig. 1a with removed first connecting element.
  • Fig. 2a shows the edge protection device after Fig. 1a in closed or compressed state.
  • Fig. 2b shows the edge protection device after Fig. 1 b in closed or compressed state.
  • Fig. 3a shows the edge protection device after Fig. 1a in front view.
  • Fig. 3b shows an alternative of the edge protection device Fig. 1a in front view
  • Fig. 4a shows an alternative of an edge protection device with traction means.
  • Fig. 4b shows an alternative of the embodiment according to Fig. 4a
  • Fig. 5a shows an alternative edge protection device with limiting element.
  • Fig. 5b shows an alternative edge protection device according to Fig. 5a ,
  • Fig. 6a shows another alternative edge protection device with an additional center scissors.
  • Fig. 6b shows the edge protection device after Fig. 6a with removed first connecting element.
  • Fig. 7a and 7b show alternative edge protection devices with additional scissors and different spring arrangement.
  • Fig. 8a to 8e show alternative edge protection devices with additional scissors and additional fasteners with different spring arrangement.
  • Fig. 9 shows an alternative edge protection device with three parallel individual devices.
  • Fig. 10 shows an edge protection device with four parallel individual devices.
  • Fig. 11 a and 11b show further alternative edge protection devices.
  • Fig. 12a and 12b show other alternative edge protection devices.
  • Fig. 13a and 13b show edge protectors with profiled fasteners.
  • Figs. 14a and 14b show edge protectors with alternatively designed profiled fasteners.

Fig. 1a zeigt eine Kantenschutzvorrichtung mit zwei Hauptscheren 4a, 4b, die über zwei Verbindungselemente 10', 10" verbunden sind. Fig. 1a shows an edge protection device with two main scissors 4a, 4b, which are connected via two connecting elements 10 ', 10 ".

Die Kantenschutzleiste 3 ist über die beiden Hauptscheren 4a, 4b an der Kante 2 der Türe, z.B. einer Schiebetüre, Hubtüre, Lifttüre oder Brandschutztüre, befestigt. Die Hauptscheren 4a, 4b befinden sich in relativ äußerer bzw. endständiger Position bezüglich zur Kantenschutzleiste 3. Die Hauptscheren 4a, 4b besitzen die Form einer verschwenkbaren Raute bzw. eines Quadrats. Diese Form ist scherengitterartig verschwenkbar bzw. beweglich.The edge protection strip 3 is connected to the edge 2 of the door via the two main shears 4a, 4b, e.g. a sliding door, lift door, lift door or fire door, attached. The main shears 4a, 4b are located in a relatively outer or terminal position relative to the edge protection strip 3. The main shears 4a, 4b have the shape of a pivotable diamond or a square. This form can be pivoted or moved like a safety gate.

Die erste Hauptschere 4a ist genauso wie die zweite Hauptschere 4b aus vier miteinander schwenkbar bzw. gelenkig verbundenen Hauptscherensegmenten 5a aufgebaut. Diese Hauptscherensegmente 5a sind über Schwenklager bzw. Schwenklagerzapfen 6a, 7a, 8a, 9a zu dem besagten verschwenkbaren Parallelogramm verbunden. So sind ein der Kantenschutzleiste 3 fernes bzw. abgewendetes kantenseitiges, d.h. der Kante 2 nahes, Schwenklager 6a, ein der Kantenschutzleiste 3 nahes bzw. zugewendetes kantenschutzleistenseitiges Schwenklager 7a, ein innen angeordnetes bzw. nach innen weisendes, der benachbarten Hauptschere 4b zugewendetes, inneres Schwenklager 9a und ein außen angeordnetes bzw. nach außen weisendes, der benachbarten Hauptschere 4b abgewendetes äußeres Schwenklager 8a vorgesehen. Über das kantenseitige Schwenklager 6a ist die Hauptschere 4a an der Kante 2 befestigbar. Über das kantenschutzleistenseitige Schwenklager 7a ist die Kantenschutzleiste 3 mit der Hauptschere 4a verbunden. Dazu anlog ist die zweite äußere Hauptschere 4b aufgebaut.The first main scissors 4a is constructed, like the second main scissors 4b, of four main scissor segments 5a connected to each other in a pivotable manner. These main scissor segments 5a are connected via pivot bearings or pivot bearing pins 6a, 7a, 8a, 9a to the said pivotable parallelogram. Thus, one of the edge guard 3 is far-sided, ie, edge-side, that is, angled. the edge 2 close, pivot bearing 6a, one of the edge protection strip 3 near or zugewandes edge protection strip side pivot bearing 7a, an inwardly disposed or inwardly facing, the adjacent main scissors 4b facing, inner pivot bearing 9a and an externally disposed or outwardly facing, the adjacent Main scissor 4 b averted outer pivot bearing 8 a provided. About the edge-side pivot bearing 6a, the main scissors 4a on the edge 2 can be fastened. About the edge protection strip side pivot bearing 7a, the edge protection strip 3 is connected to the main scissors 4a. Anlog the second outer main shear 4b is constructed.

Die beiden inneren Schwenklager 9a, 9b der beiden Hauptscheren 4a, 4b weisen nach innen zueinander bzw. sind benachbart angeordnet. Die beiden äußeren Schwenklager 8a, 8b weisen jeweils nach oben bzw. nach unten.The two inner pivot bearings 9a, 9b of the two main shears 4a, 4b face each other inwardly or are arranged adjacent. The two outer pivot bearings 8a, 8b respectively face upwards and downwards.

Die beiden Hauptscheren 4a, 4b sind über einen Parallellenkmechanismus derart miteinander bewegungsparallel gekoppelt, dass die Kantenschutzleiste 3 ausschließlich eine senkrecht zur Kante 2 ausgerichtete Verschiebung bzw. Bewegung vollziehen kann, wobei die Kantenschutzleiste 3 während ihrer Bewegung in Richtung der Kante 2 bzw. weg von der Kante 2 ständig parallel zur Kante 2 ausgerichtet bleibt. Es erfolgt eine Parallelverschiebung der Kantenschutzleiste 3 in senkrechter Richtung zur Kante 2.The two main shears 4a, 4b are coupled to each other in a parallel manner by means of a parallel link mechanism such that the edge protection strip 3 can perform exclusively a displacement or movement oriented perpendicularly to the edge 2, the edge protection strip 3 moving in the direction of the edge 2 during its movement. away from the edge 2 is constantly aligned parallel to the edge 2. There is a parallel displacement of the edge protection strip 3 in the direction perpendicular to the edge of the second

Als Parallellenkmechanismus dienen gemäß Fig. 1a zwei Verbindungselemente 10' und 10". In Fig. 1a sind das erste Verbindungselement 10' und das zweite Verbindungselement 10" als flache, jedoch steife bzw. verbindungssteife und nicht bzw. nur wenig biegbare Stangen ausgebildet. Sie wirken daher sowohl als Zug- wie auch als Druckmittel. Beide Verbindungselemente 10', 10" verbinden die Hauptscheren 4a, 4b miteinander bzw. koppeln diese. Das erste Verbindungselement 10' verbindet das innere Schwenklager 9a der ersten Hauptschere 4a mit dem äußeren Schwenklager 8b der zweiten Hauptschere 4b. Das erste Verbindungselement 10' ist an einer Seite der Scheren 4a, 4b befestigt, das zweite Verbindungselement 10" an der gegenüberliegenden anderen Seite der Scheren 4a, 4b.As Parallellenkmechanismus serve according to Fig. 1a two connecting elements 10 'and 10 " Fig. 1a For example, the first connection element 10 'and the second connection element 10 "are designed as flat but rigid or non-rigid or only slightly bendable rods, thus acting both as a tensile and compression means the main scissors 4a, 4b with each other or couple this. The first connecting element 10 'connects the inner pivot bearing 9a of the first main shears 4a to the outer pivot bearing 8b of the second main shears 4b. The first connecting element 10 'is fastened on one side of the scissors 4a, 4b, the second connecting element 10 "on the opposite other side of the scissors 4a, 4b.

Eigentlich wäre ein einziges derartiges, als Zug- und Druckmittel wirkendes, Verbindungselement 10 ausreichend, um eine Parallelführung der Bewegung der beiden Hauptscheren 4a, 4b zu bewirken. Es ist essentiell, dass dieses Verbindungselement 10 das äußere Schwenklager 8a, 8b der einen Hauptschere 4a, 4b mit dem inneren Schwenklager 9b, 9a der anderen Hauptschere 4b, 4a verbindet.Actually, a single such, acting as tension and pressure means, connecting element 10 would be sufficient to cause a parallel guidance of the movement of the two main shears 4a, 4b. It is essential that this connecting element 10 connects the outer pivot bearing 8a, 8b of the one main scissors 4a, 4b with the inner pivot bearing 9b, 9a of the other main scissors 4b, 4a.

Fig. 1b zeigt eine Darstellung der Kantenschutzvorrichtung nach Fig. 1a mit abmontiertem ersten Verbindungselement 10'. Dadurch ist die Ansicht auf das zweite Verbindungselement 10" deutlicher. Das zweite Verbindungselement 10" verbindet nun das ursprünglich noch freie innere Schwenklager 9b der zweiten Hauptschere 4b mit dem ursprünglich noch freien äußeren Schwenklager 8a der ersten Hauptschere 4a. Fig. 1b shows a representation of the edge protection device after Fig. 1a with demounted first connecting element 10 '. As a result, the view on the second connecting element 10 "is clearer, The second connecting element 10" now connects the originally still free inner pivot bearing 9b of the second main shears 4b with the originally still free outer pivot bearing 8a of the first main shears 4a.

Auf diese Weise sind alle äußeren bzw. inneren Schwenklager 8, 9 mit Verbindungselementen 10', 10" verbunden. Die Verbindungselemente 10' und 10" liegen parallel ausgerichtet zueinander.In this way, all the outer or inner pivot bearings 8, 9 are connected to connecting elements 10 ', 10 ". The connecting elements 10' and 10" are aligned parallel to one another.

Auf diese Weise ist es der Kantenschutzvorrichtung möglich, eine Bewegung gemäß Fig. 2a und 2b durchzuführen. Die Schwenklager 6a, 6b nähern sich einander an und die Schwenklager 8a, 9a entfernen sich voneinander. Selbiges gilt für die zweite Hauptschere 4b. Die Verbindungselemente 10', 10" verschieben sich parallel entlang einander bei gleichbleibendem Abstand zueinander.In this way it is possible for the edge protection device to move in accordance with Fig. 2a and 2b perform. The pivot bearings 6a, 6b approach each other and the pivot bearings 8a, 9a move away from each other. The same applies to the second main shear 4b. The connecting elements 10 ', 10 "move parallel to each other at a constant distance from each other.

Zur Verdeutlichung ist links neben den Figuren eine Darstellung des Verbindungselementes 10', 10" in seiner jeweiligen Position wiedergeben. Erkennbar ist, dass die Kantenschutzleiste 3 ohne Versetzung nach oben oder unten zur Kante 2 verschoben wird. Auch wenn der Kraftangriff auf die Kantenschutzleiste 3 in einem extremen unteren oder oberen Bereich erfolgt, muss die Bewegung der Kantenschutzleiste 3 zwingend parallel zur Kante 2 geführt sein.For clarification, a representation of the connecting element 10 ', 10 "in its respective position is shown on the left next to the figures It can be seen that the edge protection strip 3 is displaced up or down to the edge 2 without displacement an extreme lower or upper area, the movement of the edge protection strip 3 must be performed necessarily parallel to the edge 2.

Um zusätzliche Führungsstabilität zu gewährleisten, ist im ersten Verbindungselement 10' eine längliche Ausnehmung 12' vorgesehen und im zweiten Verbindungselement 10" eine längliche Ausnehmung 12". Die längliche Ausnehmung 12' ist im Bereich des freien, nicht mit dem ersten Verbindungselement 10' verbundenen, inneren Schwenklagers 9b der zweiten Hauptschere 4b ausgebildet. Das freie innere Schwenklager 9b greift in die Ausnehmung 12' ein und ist darin geführt bzw. gelagert. Die Ausnehmung 12' weist eine Länge auf, die der Versetzung bzw. Bewegung des Schwenklagers 9b entspricht. Dadurch werden auch die maximal möglichen Bewegungen der Kantenschutzleiste 3 bzw. die maximalen Wege begrenzt. Sobald das Schwenklager 9b in einer unteren Extremposition der länglichen Ausnehmung 12' angekommen ist, stoppt die Bewegung der Kantenschutzleiste 3.In order to ensure additional guiding stability, an elongate recess 12 'is provided in the first connecting element 10' and an elongated recess 12 "in the second connecting element 10". The elongated recess 12 'is formed in the region of the free, not connected to the first connecting element 10', inner pivot bearing 9b of the second main shears 4b. The free inner pivot bearing 9b engages in the recess 12 'and is guided or stored therein. The recess 12 'has a length corresponding to the displacement or movement of the pivot bearing 9b. As a result, the maximum possible movements of the edge protection strip 3 or the maximum paths are limited. As soon as the pivot bearing 9b has arrived in a lower extreme position of the elongate recess 12 ', the movement of the edge protection strip 3 stops.

Im zweiten Verbindungselement 10" ist die längliche Ausnehmung 12" im Bereich des freien, nicht mit dem zweiten Verbindungselement 10" verbundenen inneren Schwenklager 9a der ersten Hauptschere 4a ausgebildet. Dieses freie innere Schwenklager 9a greift in die Ausnehmung 12' ein und ist darin linear geführt. In Fig. 2a ist erkennbar, dass beim Zusammendrücken der Kantenschutzvorrichtung das innere Schwenklager 9b der zweiten Hauptschere 4b in die andere obere Extremposition innerhalb der länglichen Ausnehmung 12' gewandert ist. Selbiges gilt für Fig. 2b, jedoch ist dies hier nicht deutlich erkennbar.In the second connecting element 10 ", the elongated recess 12" is formed in the region of the free inner pivot bearing 9a of the first main shears 4a which is not connected to the second connecting element 10. This free inner pivot bearing 9a engages in the recess 12 'and is linearly guided therein . In Fig. 2a It can be seen that upon compression of the edge protection device, the inner pivot bearing 9b of the second main shears 4b has moved to the other upper extreme position within the elongate recess 12 '. The same applies to Fig. 2b However, this is not clearly visible here.

Fig. 3a und 3b zeigen Vorderansichten der Kantenschutzvorrichtung nach Fig. 1a. und 1b. Erkennbar ist, dass die beiden Verbindungselemente 10' und 10" parallel zueinander geführt sind. Sie sind jedoch zueinander versetzt angeordnet. Im oberen Bereich ist die erste Hauptschere 4a angeordnet, im unteren Bereich die zweite Hauptschere 5a angeordnet. Fig. 3a and 3b show front views of the edge protection device Fig. 1a. and 1b , It can be seen that the two connecting elements 10 'and 10 "are guided parallel to one another, but they are arranged offset from one another. The first main shears 4a are arranged in the upper area, and the second main shears 5a are arranged in the lower area.

In allen Fig. 1,2 und 3 sind weiters Lenker 11a, 11b dargestellt, die ein Herunterfallen bzw. Verrutschen der Kantenschutzvorrichtung verhindern sollen. Im Detail wird nun die Gestaltung des Lenkers 11a in der ersten Hauptschere 4a in Fig. 1a beschrieben. Der Lenker 11a wird eigentlich von einem der Hauptscherensegmente 5a ausgebildet. Der Lenker 11a geht vom kantenschutzleistenseitigen Schwenklager 7a aus und ist im inneren Schwenklager 9a gelagert, d.h. der Lenker 11a vollführt beim Zusammendrücken der Kantenschutzvorrichtung um das innere Schwenklager 9a eine hebelartige. Bewegung. Das innere Schwenklager 9a stellt die zentrale Achse für diese Bewegung dar. Der Lenker 11a ist in Richtung der Kante 2 verlängert und weist einen Lenkerkopf 13a auf, der in Montagestellung ständig Kontakt mit der Kante 2 hat. In offenem Zustand, wie in Fig. 1a, stützt der Lenkerkopf 13a die Kantenschutzvorrichtung vor einem Wegklappen nach unten. Wird nun, wie in Fig. 2a dargestellt, die Kantenschutzvorrichtung zusammengeschoben, so verschiebt sich der Lenkerkopf 13a nach unten, das innere Schwenklager 9a ebenfalls und das kantenschutzleistenseitige Schwenklager 7a wandert gerade nach innen in Richtung des kantenseitigen Schwenklagers 6a bzw. der Kante 2.In all Fig. 1 . 2 and 3 are further handlebars 11a, 11b shown to prevent falling or slipping of the edge protection device. In detail, the design of the handlebar 11a in the first main scissors 4a in Fig. 1a described. The handlebar 11a is actually formed by one of the main scissors segments 5a. The handlebar 11a starts from the edge protection strip side pivot bearing 7a and is mounted in the inner pivot bearing 9a, ie the handlebar 11a performs when compressing the edge protection device to the inner pivot bearing 9a a lever-like. Move. The inner pivot bearing 9a represents the central axis for this movement. The link 11a is extended in the direction of the edge 2 and has a handlebar head 13a, which constantly has contact with the edge 2 in the assembly position. In open condition, as in Fig. 1a , the handlebar head 13a supports the edge protection device before folding away downwards. Will now, as in Fig. 2a represented, the Edge protection device pushed together, so the handlebar head 13a shifts down, the inner pivot bearing 9a also and the kantenschutzleistenseitige pivot bearing 7a moves straight inward in the direction of the edge-side pivot bearing 6a and the edge of the second

Jede Schere 4a, 4b, 4c kann einen oder mehrere derartige Lenker 11a, 11b, 11c,... aufweisen. Ausreichend wäre im Prinzip ein einziger Lenker 11 für die gesamte Kantenschutzvorrichtung, da die Scheren 4a, .... ohnehin bewegungsparallel gekoppelt sind.Each pair of scissors 4a, 4b, 4c may have one or more such links 11a, 11b, 11c,. Sufficient would be in principle a single link 11 for the entire edge protection device, since the scissors are 4a, .... coupled motion parallel anyway.

Für alle Ausführungsformen gilt: Beim Zusammendrücken der Kantenschutzvorrichtung wandern die inneren Schwenklager 9a und 9b aufeinander zu und die äußeren Schwenklager 8a, 8b voneinander weg. Die kantenseitigen Schwenklager 6a, 6b und die kantenschutzleistenseitigen Schwenklager 7a, 7b nähern sich in einer geraden Linie aneinander an. Die Lenkerköpfe 13a, 13b wandern ebenfalls aufeinander zu.For all embodiments, when the edge protection device is compressed, the inner pivot bearings 9a and 9b move towards each other and the outer pivot bearings 8a, 8b move away from each other. The edge-side pivot bearings 6a, 6b and the edge guard side pivot bearings 7a, 7b approach each other in a straight line. The handlebars 13a, 13b also move towards each other.

Durch das Verbindungselement 10' wird die Bewegung des inneren Schwenklagers 9a auf das äußere Schwenklager 8b der zweiten Hauptschere 4b übertragen und dieses Schwenklager 8b dadurch nach außen gedrückt. Selbiges geschieht mit dem zweiten Verbindungselement 10". Das äußere Schwenklager 8a der ersten Hauptschere 4a wandert nach außen und zieht dadurch das innere Schwenklager 9b der zweiten Hauptschere 4b mit und nach innen.By the connecting element 10 ', the movement of the inner pivot bearing 9a is transmitted to the outer pivot bearing 8b of the second main shears 4b and this pivot bearing 8b thereby pressed outwards. The same happens with the second connecting element 10 ". The outer pivot bearing 8a of the first main shears 4a moves outward and thereby pulls the inner pivot bearing 9b of the second main shears 4b inwards and inwards.

In Fig. 4a, 4b ist eine Kantenschutzvorrichtung mit einem ersten Verbindungselement 10' und einem zweiten Verbindungselement 10" dargestellt, wobei die Verbindungselemente 10', 10" nicht, wie in Fig. 1,2 und 3, starre Stangen, sondern weiche verformbare bzw. bewegliche Seile bzw. Schnüre sind. Die Verbindungselemente 10' und 10" wirken daher nicht als Druckmittel sondern ausschließlich als Zugmittel. Das Prinzip ist gleich, das innere Schwenklager der ersten Hauptschere muss mit dem äußeren Schwenklager der zweiten Hauptschere 4b verbunden werden. Eine derartige Vorrichtung wäre jedoch im Gegensatz zu einer Vorrichtung mit einem als Zug- und Druckmittel wirkendem Verbindungselement, noch nicht ausreichend. In diesem Fall muss ein zweites Verbindungselement 10" vorgesehen sein, das die noch freien Schwenklager miteinander verbindet. In Fig. 4a ist die Verbindung des ersten Verbindungselementes 10' dargestellt. In Fig. 4b ist die Kantenschutzvorrichtung mit dem zweiten Verbindungselement 10" dargestellt. In diesem Fall ist es also wichtig, dass beide Verbindungselemente 10' und 10" vorgesehen sind. Die Parallelkopplung erfolgt nur über Zugkräfte. Zur verbesserten Führung sind in Analogie zu den länglichen Ausnehmungen 12', 12" in den Verbindungselementen 10'. 10" Ösen bzw. Schlaufen ausgebildet. Das erste Verbindungselement 10' ist an einer Seite der Scheren 4a, 4b befestigt, das zweite Verbindungselement 10" an der gegenüberliegenden anderen Seite der Scheren 4a, 4b.In Fig. 4a, 4b For example, an edge protection device having a first connection element 10 'and a second connection element 10 "is shown, wherein the connection elements 10', 10" are not as shown in FIG Fig. 1 . 2 and 3 Rigid rods, but soft deformable or movable ropes or cords are. The principle is the same, the inner pivot bearing of the first main scissors must be connected to the outer pivot bearing of the second main scissors 4b, but such a device would be in contrast to a device with a connecting element acting as a tension and pressure means, this is not sufficient, in which case a second connecting element 10 "must be provided, which connects the still free pivot bearings to one another. In Fig. 4a the connection of the first connecting element 10 'is shown. In Fig. 4b If the edge protection device is shown with the second connection element 10 ", in this case it is important that both connection elements 10 'and 10" are provided. The parallel coupling is done only by tensile forces. For improved guidance are in analogy to the elongated recesses 12 ', 12 "formed in the connecting elements 10', 10" eyelets or loops. The first connecting element 10 'is fastened on one side of the scissors 4a, 4b, the second connecting element 10 "on the opposite other side of the scissors 4a, 4b.

Fig. 5a und 5b zeigen eine weiter Ausführungsform der Kantenschutzvorrichtung mit ebenfalls weichen und flexiblen Verbindungselementen 10' und 10", die ebenfalls, wie in Fig. 4a und 4b, lediglich als Zugmittel ausgebildet sind. Die Funktionsweise ist gleich: sobald die Kantenschutzvorrichtung zusammengedrückt wird, wandert das äußere Schwenklager der zweiten Hauptschere 4b nach außen und zieht dadurch das innere Schwenklager der ersten Hauptschere 4a mit. Dadurch wird die erste Hauptschere 4a ebenfalls auseinandergezogen, und die Kantenschutzleiste 3 nähert sich der Kante 2 an. Umgekehrt wird durch diese Bewegung verursacht, dass das äußere Schwenklager der ersten Hauptschere 4a nach außen bewegt wird, und das Verbindungselement zieht das innere Schwenklager der zweiten Hauptschere mit und verursacht dadurch auch eine Quetschung der zweiten Hauptschere 4b. In diesem Ausführungsbeispiel sind keine Ausnehmungen 12', 12" vorgesehen. Fig. 5a and 5b show a further embodiment of the edge protection device with also soft and flexible connecting elements 10 'and 10 ", which also, as in Fig. 4a and 4b , are formed only as traction means. The operation is the same: as soon as the edge protection device is compressed, the outer pivot bearing of the second main scissor 4b moves outward and thereby pulls the inner pivot bearing of the first main scissors 4a with. As a result, the first main scissors 4 a are also pulled apart, and the edge protection strip 3 approaches the edge 2. Conversely, this movement causes the outer pivot bearing of the first main scissors 4 a to move outward, and the connecting element pulls the inner pivot bearing of the second main scissors and thereby also causes a crushing of the second main scissors 4 b. In this embodiment, no recesses 12 ', 12 "are provided.

Zur Begrenzung der Bewegung dienen in diesem Fall Begrenzungselemente 16a, 16b. Diese sind hier als Seile ausgebildet, die die kantenseitigen Schwenklager 6a, 6b mit den kantenschutzleistenseitigen Schwenklagern 7a, 7b verbinden. Die maximale Bewegung der Kantenschutzleiste 3 kann sich nicht über die maximale Länge der Begrenzungselemente 16a, 16b erstrecken. Derartige Begrenzungselemente 16a, 16b könnten auch direkt von der Kante 2 bis zur Kantenschutzleiste 3 geführt sein oder sich beispielsweise von der Kante 2 bis zu einem der äußeren oder inneren Schwenklager erstrecken.To limit the movement serve in this case limiting elements 16a, 16b. These are designed here as ropes which connect the edge-side pivot bearings 6a, 6b with the edge protection strip side pivot bearings 7a, 7b. The maximum movement of the edge protection strip 3 can not extend beyond the maximum length of the boundary elements 16a, 16b. Such delimiting elements 16a, 16b could also be guided directly from the edge 2 to the edge protection strip 3 or extend, for example, from the edge 2 to one of the outer or inner pivot bearings.

Fig. 6a und 6b zeigen nun eine Kantenschutzvorrichtung mit zusätzlichen Scheren, die im Weiteren als Mittelscheren 4c, 4d,... gekennzeichnet sind. Derartige Mittelscheren 4c, 4d,... dienen zur Verringerung der Knicklänge der Kantenschutzleiste 3 und sind zwischen den beiden äußeren Hauptscheren 4a und 4b angeordnet. Diese Mittelscheren 4c, 4d,... sind mit den Verbindungselementen 10', 10" im gleichen Sinn verbunden wie die Hauptscheren 4a, 4b, das heißt, sie sind ebenso bewegungsparallel gekoppelt wie die Hauptscheren 4a, 4b. Der Aufbau der Mittelscheren 4c, 4d erfolgt analog zu den Hauptscheren 4a, 4b. Fig. 6a and 6b now show an edge protection device with additional scissors, which are hereinafter referred to as middle shears 4c, 4d, .... Such middle shears 4c, 4d, ... serve to reduce the buckling length of the edge protection strip 3 and are arranged between the two outer main shears 4a and 4b. These middle shears 4c, 4d, ... are connected to the connecting elements 10 ', 10 "in the same sense as the main shears 4a, 4b, that is to say they are also coupled in a motion-parallel manner as are the main shears 4a, 4b. 4d is analogous to the main scissors 4a, 4b.

Im folgenden wird die in Fig. 6a und 6b dargestellte Mittelschere 4c detailliert beschrieben. Diese Mittelschere 4c besteht, ebenso wie die Hauptscheren 4a, 4b aus vier miteinander verschwenkbar bzw. gelenkig verbundenen Mittelscherensegmenten 5c, die über Schwenklager bzw. Schwenklagerzapfen 6c, 7c, 8c, 9c miteinander zu einem verschwenkbaren Parallelogramm verbunden sind.The following is the in Fig. 6a and 6b illustrated center shears 4c described in detail. This central scissors 4c, as well as the main scissors 4a, 4b of four mutually pivotable or articulated middle scissor segments 5c, the via pivot bearings or pivot bearing pins 6c, 7c, 8c, 9c are connected to each other to a pivotable parallelogram.

Die Benennung der Schwenklager erfolgt analog zu den Hauptscheren 4a, 4b. Die Mittelschere 4c ist mit den äußeren Hauptscheren 4a, 4b über einen Parallellenkmechanismus derart miteinander bewegungsparallel gekoppelt, dass die Kantenschutzleiste 3 parallel zur Kante 2 ausgerichtet bzw. geführt bzw. verschiebbar bzw. bewegbar ist. Die Schwenklager 8, 9 der Mittelscheren 4c, 4d .... können nicht mehr durch die Wörter "innen" oder "außen" gekennzeichnet werden, sondern sich im wesentlichen gleichwertig. In Analogie zu den davor gezeigten Fig. wird jedoch die Nomenklatur der äußeren oder inneren Schwenklager aus Unterscheidungsgründen beibehalten.The naming of the pivot bearing is analogous to the main shears 4a, 4b. The center scissors 4c is coupled with the outer main scissors 4a, 4b via a parallel steering mechanism in such a way that they are parallel to each other in motion such that the edge protection strip 3 is aligned or guided or displaceable or movable parallel to the edge 2. The pivot bearings 8, 9 of the center shears 4 c, 4 d .... can no longer be identified by the words "inside" or "outside", but are essentially equivalent. In analogy to the figures shown before, however, the nomenclature of the outer or inner pivot bearings is retained for reasons of distinction.

Die Kantenschutzleiste 3 ist auch im kantenschutzleistenseitigen Schwenklager 7c der Mittelschere 4c befestigt, wobei diese Befestigung auch weggelassen werden kann und das Schwenklager 7c lediglich als Versteifung gegen äußeren Druck vorgesehen sein kann. Die Parallelkopplung erfolgt über die Verbindungselemente 10', 10".The edge protection strip 3 is also fastened in the edge guard side pivot bearing 7c of the center shears 4c, wherein this attachment can also be omitted and the pivot bearing 7c can be provided only as a stiffener against external pressure. The parallel coupling takes place via the connecting elements 10 ', 10 ".

Das erste Verbindungselement 10' ist am Schwenklager 8c der Mittelschere 4c befestigt. Das andere gegenüberliegende Schwenklager 9c ist in einer länglichen Ausnehmung 15' geführt. Diese Ausnehmung 15' ist gleich wie die Ausnehmung 12' ausgebildet.The first connecting element 10 'is fastened to the pivot bearing 8c of the center shears 4c. The other opposing pivot bearing 9c is guided in an elongate recess 15 '. This recess 15 'is the same as the recess 12' is formed.

Fig. 6b zeigt nun die Kantenschutzvorrichtung nach Fig. 6a ohne das Verbindungselement 10'. Zu erkennen ist das zweite Verbindungselement 10", das auf der anderen Seite der Hauptscheren 4a, 4b befestigt ist. Das zweite Verbindungselement 10" ist weiters auf der anderen Seite der Mittelschere 4c und zwar im anderen Schwenklager 9c befestigt. Es weist ebenfalls eine längliche Ausnehmung 15" auf. In diese Ausnehmung 15" greift das gegenüberliegende Schwenklager 8c ein und ist darin linear geführt. Damit ergibt sich in Analogie zu den vorstehenden Ausführungen, dass bei einem Zusammendrücken der Kantenschutzvorrichtung das Schwenklager 8c nach unten bewegt wird und das Schwenklager 9c nach oben bewegt wird. Die Verbindungselemente 10' und 10" koordinieren die gleichsinnigen Bewegungen der Schwenklager der verschiedenen Scheren 4a, 4b, 4c miteinander. So vollführen die Schwenklager 9a, 8c und 8b eine gleichsinnige nach unten gerichtete Bewegung und die Schwenklager 8a, 9c und 9b vollführen eine in die entgegengesetzte Richtung weisende, jedoch auch gleichsinnige, Bewegung nach oben. Fig. 6b now shows the edge protection device Fig. 6a without the connecting element 10 '. The second connecting element 10 ", which is fastened on the other side of the main shears 4a, 4b, can be seen, and the second connecting element 10" is also fastened on the other side of the central shears 4c, namely in the other pivot bearing 9c. It likewise has an elongate recess 15 ", into which recess 15" engages the opposite pivot bearing 8c and is linearly guided therein. This results in analogy to the above statements that upon compression of the edge protection device, the pivot bearing 8c is moved downward and the pivot bearing 9c is moved upward. The connecting elements 10 'and 10 "coordinate the movements in the same direction of the pivot bearings of the different scissors 4a, 4b, 4c with one another pointing in the opposite direction, but also in the same direction, upward movement.

Auch an den Mittelscheren 4c, 4d können Lenker 11c, 11d .... angeordnet sein.Also on the middle shears 4c, 4d handlebars 11c, 11d .... may be arranged.

Zwischen den Scherensegmenten 5a, 5b, 5c, und zwar am kantenschutzseitigen Schwenklager 7a, 7b und 7c ist ein Winkel α ausgebildet. Dieser Winkel α verändert sich bei der Bewegung der Kantenschutzvorrichtung. Sämtliche Winkel innerhalb einer Schere 4 verändern sich auf die Weise, wie dies in einer verschwenkbaren Raute bzw. einem verschwenkbaren Parallelogramm zwingend vorgegeben ist. Beim Zusammendrücken der Kantenschutzvorrichtung, beispielsweise beim Auftreffen auf ein Hindernis, wird der Winkel α größer, bis dieser fast 180° beträgt, beim Öffnen bzw. Entspannen der Kantenschutzvorrichtung wieder kleiner.An angle α is formed between the scissor segments 5a, 5b, 5c, specifically on the edge-protection-side pivot bearing 7a, 7b and 7c. This angle α changes during the movement of the edge protection device. All angles within a pair of scissors 4 change in the way that is mandatory in a pivotable rhombus or a pivotable parallelogram. When compressing the edge protection device, for example when hitting an obstacle, the angle α is greater until it is almost 180 °, when opening or relaxing the edge protection device again smaller.

Die Bewegung der Scheren 4 sollte nun derart begrenzt sein, dass der Winkel α in der nicht zusammengedrückten Ausgangsposition zwischen >0° und ≤ 120° beträgt, wobei der Winkel α in dieser Ausgangsposition insbesondere zwischen 3° und 20° beträgt. Eine derartige Begrenzung der Bewegung der Scheren 4 kann entweder durch die Ausnehmungen 12 oder durch mechanische Begrenzungselemente 16a, 16b bewirkt werden. Derartige Begrenzungselemente 16a, 16b können entweder steife Stangen oder flexible Seile sein, wie dies in Fig. 5a, 5b dargestellt ist. Steife Begrenzungselemente wirken in beide Richtungen begrenzend, flexible Begrenzungselemente nur in eine. Die Begrenzungselemente 16a, 16b können derart gestaltet sein, dass die Kantenschutzvorrichtung lediglich bis zu einer gewissen Position zusammendrückbar ist, dass die Kantenschutzvorrichtung bis in eine maximale Position zu öffnen ist oder dass sie nur innerhalb eines gewissen Bereiches hin- und her bewegbar ist.The movement of the shears 4 should now be limited such that the angle α in the uncompressed starting position is between> 0 ° and ≤ 120 °, wherein the angle α in this initial position is in particular between 3 ° and 20 °. Such a limitation of the movement of the shears 4 can be effected either by the recesses 12 or by mechanical limiting elements 16a, 16b. Such limiting elements 16a, 16b may be either rigid bars or flexible ropes, as shown in FIG Fig. 5a, 5b is shown. Stiff limiting elements act in both directions limiting, flexible limiting elements only in one. The limiting elements 16a, 16b can be designed such that the edge protection device can only be compressed to a certain position, that the edge protection device can be opened to a maximum position or that it can only be moved back and forth within a certain range.

Für eine erfolgreiche Bewegung der Kantenschutzvorrichtung ist es vorteilhaft, wenn Mittel zur Rückstellung bzw. Rückbewegung der Kantenschutzleiste 3 in ihre von der Kante 2 beabstandete Ausgangsposition vorgesehen sind. Derartige Mittel können Federmittel 14, insbesondere Zug- oder Druckfedern sein. In Fig. 3a und 3b sind derartige Federmittel 14 dargestellt. In Fig. 3a ist ein einziges Federmittel und in Fig. 3b zwei Federmittel vorgesehen. Diese Federmittel 14 sind zwischen den Verbindungselementen 10' und 10" angeordnet. Damit sind die Verbindungselemente 10' und 10" über diese Federmittel 14 miteinander verbunden bzw. stehen bezüglich ihrer in axialer Richtung verlaufender Relativbewegung zueinander bei gleichbleibendem Abstand zwischen den parallelen Verbindungselementen 10',10" miteinander in Wirkverbindung. Bei einer axialen Relatiwerschiebung der beiden Verbindungselemente 10' und 10" gegeneinander, d.h. wenn ein Verbindungselement 10' nach oben bewegt wird und das andere Verbindungselement 10" nach unten, immerzu parallel zueinander, dann bewirkt das Federmittel 14, dass die beiden Verbindungselemente 10', 10" in ihre Ausgangsposition zurückkehren. Die Bewegung der Verbindungselemente 10' und 10" wiederum bewirkt, wie vorher beschrieben, eine Bewegung der Scheren 4 und damit der gesamten Kantenschutzvorrichtung.For a successful movement of the edge protection device, it is advantageous if means for resetting or return movement of the edge protection strip 3 are provided in their position spaced from the edge 2 starting position. Such means may be spring means 14, in particular tension or compression springs. In Fig. 3a and 3b such spring means 14 are shown. In Fig. 3a is a single spring means and in Fig. 3b provided two spring means. These spring means 14 are arranged between the connecting elements 10 'and 10 ", so that the connecting elements 10' and 10" are connected to one another via these spring means 14 or are in relation to each other in the axial direction relative movement at a constant distance between the parallel connecting elements 10 ', In an axial Relatiwerschiebung the two connecting elements 10 'and 10 "against each other, ie when a connecting element 10' is moved upward and the other connecting element 10" down, always parallel to each other, then causes the spring means 14, that the two connecting elements 10 ', 10 "return to their original position. The movement of the connecting elements 10 'and 10 "in turn, as described previously, causes a movement of the scissors 4 and thus the entire edge protection device.

Bei den in Fig. 3a und 3b dargestellten Federmitteln 14 handelt es sich um Zugfedern. Im geöffneten Zustand der Kantenschutzvorrichtung liegen die Federmittel 14 in komprimiertem und definiert vorgespanntem Zustand vor. Wird nun die Kantenschutzvorrichtung zusammengedrückt, so entfernen sich, wie beschrieben, die äußeren Schwenklager 8 von den inneren Schwenklagern 9 und dadurch erfolgt auch eine nach oben gerichtete Bewegung des zweiten Verbindungselementes 10" und eine nach unten gehende Bewegung des ersten Verbindungselementes 10'. Dadurch wird die Zugfeder 14 gespannt. Lässt nun der Druck auf die Kantenschutzvorrichtung nach so zieht sich die Feder 14 zusammen und die Verbindungselemente 10' und 10" werden in ihre Ausgangslage zurückversetzt, was in einer Rückbewegung der Kantenschutzvorrichtung bzw. der Kantenschutzleiste 3 in ihre Ausgangsposition gleichzusetzen ist.At the in Fig. 3a and 3b spring means 14 shown are tension springs. In the open state of the edge protection device, the spring means 14 are in a compressed and defined biased state. If now the edge protection device is compressed, the outer pivot bearings 8 move away from the inner pivot bearings 9 as described, and this also causes an upward movement of the second connecting element 10 "and a downward movement of the first connecting element 10 ' If the pressure then leaves on the edge protection device, the spring 14 contracts and the connecting elements 10 'and 10 "are set back into their initial position, which is equivalent to a return movement of the edge protection device or the edge protection strip 3 into their starting position ,

Die Druckfedern 14 können auch von den äußeren bzw. den inneren Schwenklagern 8, 9 zur Kante 2 oder zur Kantenschutzleiste 3 hin verlaufen.The compression springs 14 can also extend from the outer or the inner pivot bearings 8, 9 to the edge 2 or the edge protection strip 3.

Die Federwirkung bzw. die Richtung der Federwirkung der Federmittel verläuft in einer Achse parallel zur Kantenschutzleiste 3 oder in einem Winkel zur Kantenschutzleiste 3, der sich bei der Bewegung der Kantenschutzleiste 3 in Richtung zur Kante 2 verringert. Dadurch wird im Zusammenspiel mit den Scheren eine Degression der die Kantenschutzleiste 3 nach außen drückenden Kraft erreicht. Die Gegenkraft wird umso schwächer je stärker die Kantenschutzvorrichtung zusammengedrückt wird, mit überproportional starkem Abfall der Gegenkraft beim Erreichen der Endlage in vollständig zusammengedrücktem Zustand. Die Kraft nimmt in erster Näherung mit dem Cotangens des halben Winkels α ab.The spring effect or the direction of the spring action of the spring means extends in an axis parallel to the edge protection strip 3 or at an angle to the edge protection strip 3, which decreases in the direction of the edge 2 during the movement of the edge protection strip 3. As a result, in conjunction with the scissors, a degression of the edge protection strip 3 is pressed outward force. The counterforce becomes weaker the stronger the edge protection device is compressed, with disproportionately large drop in the counterforce when reaching the end position in the fully compressed state. The force decreases in a first approximation with the Cotangens of half the angle α.

Beim Auftreffen der Kantenschutzleiste 3 auf ein Hindernis wird wegen der Vorspannung der Federmittel zunächst eine Kraft von ca. 25 bis 200 N höchstens jedoch 1400 N auf das Hindernis ausgeübt. Diese Kraft wird von einer Detektionseinrichtung gemessen, wodurch ein Stillsetzen oder eine Bewegungsumkehr der Kante 2 bzw. der Schiebetüre verursacht wird. Diese erfolgt noch mit einer gewissen Zeitverzögerung, wodurch sich auch ein gewisser Nachlaufweg der gefährlichen Kanten 2 ergibt. Die Kantenschutzleiste 3 bzw. die Kantenschutzvorrichtung gewähren nun diesen gewissen Nachlaufweg ohne die Sicherheit zu gefährden. Durch das Zusammenspiel der Federwirkung in der beschriebenen Richtung und der Einwirkung der Kräfte senkrecht dazu über die Scheren wird zum Ende der Bewegung, d.h. bei starkem Zusammendrücken der Kantenschutzvorrichtung eine starke Degression der Kraft erreicht, die die gedrückte Kantenschutzleiste 3 auf das Hindernis ausübt.When the edge protection strip 3 impinges on an obstacle, a force of approximately 25 to 200 N but at most 1400 N is first exerted on the obstacle because of the prestressing of the spring means. This force is measured by a detection device, which causes a shutdown or a reversal of movement of the edge 2 or the sliding door. This is still done with a certain time delay, which also results in a certain follow-up path of the dangerous edges 2. The edge protection strip 3 or the edge protection device now grant this certain overtravel without endangering safety. Due to the interplay of the spring effect in the direction described and the action of the forces perpendicular to the scissors is at the end of the movement, ie achieved by strong compression of the edge protection device, a strong degression of the force exerted by the pressed edge protection strip 3 on the obstacle.

Daraus ergibt sich weiters der Vorteil, dass bei einer Türe, die geschlossen ist und bei der die Kantenschutzvorrichtung zusammengedrückt ist, die Restkraft der Kantenschutzvorrichtung nicht ausreicht, die Türe aufzudrücken.This also results in the advantage that when a door is closed and in which the edge protection device is compressed, the residual force of the edge protection device is not sufficient to push the door.

Die Kantenschutzleiste 3 übt daher lediglich einen normgemäß zulässigen bzw. für Menschen ungefährlichen, geringen Kraftdruck auf ein Hindernis, wie z.B. einen Körper aus.The edge protection strip 3 therefore only exerts a normally permissible, low-pressure, low force pressure on an obstacle, such as e.g. a body.

Die Federmittel 14 sind mit einer Kraft von 5 N/mm bis 400 N/mm, insbesondere von 10 N/mm bis 150 N/mm vorgespannt bzw. weisen eine Federkonstante von 0,5 N/mm bis 5 N/mm, insbesondere von 1 N/mm bis 3 N/mm, auf.The spring means 14 are biased with a force of 5 N / mm to 400 N / mm, in particular from 10 N / mm to 150 N / mm or have a spring constant of 0.5 N / mm to 5 N / mm, in particular of 1 N / mm to 3 N / mm, on.

Zur Stabilisierung der Kantenschutzleiste 3 bzw. der Kantenschutzvorrichtung gegen zumindest teilweise seitliche Kraftangriffe können zusätzliche Zusatzhauptscheren 4a', 4b', 4a", 4b" vorgesehen sein. Diese Zusatzhauptscheren 4a', 4b' ... sind neben den ursprünglichen beiden Hauptscheren 4a, 4b angeordnet. Eine bevorzugte Anordnung ist, dass die Zusatzhauptscheren 4a', 4b' ... parallel neben den Hauptscheren 4a, 4b liegen. Die Schwenklager 6, 7, 8, 9 der Hauptscheren 4a, 4b liegen vorteilhafterweise fluchtend in den Schwenklagern der Zusatzhauptscheren oder sind identisch zu den Schwenklagern 6, 7, 8, 9 der Zusatzhauptscheren bzw. liegen auf gemeinsamen Achsen. Selbiges gilt auch für zusätzliche nebengeordnete bzw. parallel angeordnete Mittelscheren 4c', 4d'.To stabilize the edge protection strip 3 or the edge protection device against at least partially lateral force attacks, additional additional main shears 4a ', 4b', 4a ", 4b" may be provided. These additional main shears 4a ', 4b' ... are arranged next to the original two main shears 4a, 4b. A preferred arrangement is that the additional main shears 4a ', 4b' ... are parallel to the main shears 4a, 4b. The pivot bearings 6, 7, 8, 9 of the main shears 4a, 4b are advantageously aligned in the pivot bearings of the additional main shears or are identical to the pivot bearings 6, 7, 8, 9 of the additional main shears or are on common axes. The same also applies to additional sibling or parallel arranged middle shears 4c ', 4d'.

Fig. 7a und 7b zeigen eine derartige Kantenschutzvorrichtung mit einer Zusatzhauptschere 4a' bzw. 4b'. Zusätzlich zur ursprünglichen Hauptschere 4a mit ihren Hauptschersegmenten 5a bzw. dem Lenker 11a sind auf der linken Seite der Hauptschere 4a zusätzliche Scherelemente 5a' befestigt. Diese zusätzlichen Scherelemente 5a' stellen eine zusätzliche, wenn auch nicht vollständige, Zusatzhauptschere 4a' dar. Die Zusatzhauptschere 4a' und die ursprüngliche Hauptschere 4a sind auf den gleichen gemeinsamen Schwenkachsen 6, 7, 8, 9 gelagert. Es sind zwei Verbindungselemente 10', 10" vorhanden. Die zweite Hauptschere 4b ist analog zur ersten ausgebildet. Es gibt, wie auch schon in Fig. 3a und 3b dargestellt, wiederum die Möglichkeit, eine oder zwei Federmittel 14 zwischen den Verbindungselementen 10' und 10" vorzusehen. Fig. 7a and 7b show such an edge protection device with an additional main scissors 4a 'and 4b'. In addition to the original main scissors 4a with their main shear segments 5a and the link 11a, additional shear elements 5a 'are fastened on the left side of the main scissors 4a. These additional shearing elements 5a 'represent an additional, although not complete, additional main shears 4a'. The additional main shears 4a 'and the original main shears 4a are mounted on the same common pivot axes 6, 7, 8, 9. There are two connecting elements 10 ', 10 ".The second main shears 4b are designed analogously to the first one Fig. 3a and 3b again, the possibility of one or two spring means 14 between the connecting elements 10 'and 10 "provided.

Fig. 8a bis 8e zeigen eine weitere Ausführungsform der Kantenschutzvorrichtung. Bei dieser Ausführungsform ist an eine ursprüngliche Hauptschere 4a rechts oben eine Zusatzhauptschere 4a' befestigt. Diese besteht im Unterschied zu Fig. 7a und 7b nicht nur aus einzelnen zusätzlichen Scherelementen 5a', sondern es ist auch ein zusätzlicher Lenker 11a' vorgesehen. Des Weiteren besitzt die ursprüngliche Hauptschere 4a zwei Verbindungselemente 10', 10", und auch die zusätzliche Hauptschere 4a' umfasst zwei Verbindungselemente, die ebenfalls mit 10' und 10" bezeichnet sind. Sämtliche Verbindungselemente 10' und 10" der ursprünglichen Hauptschere 4a und der zusätzlichen Hauptschere 4a' sind parallel zueinander angeordnet. Analog ist die Situation bei der zweiten Hauptschere 4b, an die eine zusätzliche Hauptschere 4b' befestigt ist. Die Schwenkachsen 6, 7, 8, 9 sind auch hier gemeinsam. Die Anordnung der Federmittel 14 kann, wie dies in den Fig. 8a bis 8e dargestellt ist, variieren. Fig. 8a to 8e show a further embodiment of the edge protection device. In this embodiment, an additional main scissors 4a 'is attached to an original main scissors 4a top right. This is different from Fig. 7a and 7b not only from individual additional shear elements 5a ', but also an additional link 11a' is provided. Furthermore, the original main scissors 4a has two connecting elements 10 ', 10 ", and also the additional main scissors 4a' comprises two Connecting elements, which are also designated 10 'and 10 ".All the connecting elements 10' and 10" of the original main scissors 4a and the additional main scissors 4a 'are arranged parallel to each other. The situation is similar for the second main shear 4b, to which an additional main shear 4b 'is attached. The pivot axes 6, 7, 8, 9 are also common here. The arrangement of the spring means 14, as shown in the Fig. 8a to 8e is shown, vary.

In Fig. 9 wird eine Ausführungsform aus drei parallel nebeneinander angeordneten bzw. zusammengesetzten Einzelkantenschutzvorrichtungen dargestellt. So ist an die ursprüngliche Hauptschere 4a rechts eine erste zusätzliche Zusatzhauptschere 4a' und wiederum rechts eine zweite zusätzliche Zusatzhauptschere 4a" befestigt. Die Schwenkachsen 6, 7, 8, 9 sind wiederum allen gemeinsam. Jede dieser Scheren 4a, 4a' 4a" ist gleich aufgebaut, und jede weist einen Lenker 11a, 11a', 11a" auf. Auch weist jede dieser Scheren 4a, 4a', 4a" jeweils zwei Verbindungselemente 10' und 10" auf, die zueinander parallel ausgerichtet sind. Die Federmittel 14 liegen jeweils zwischen zwei Verbindungselementen 10' und 10" einer Hauptschere 4, 4', 4".In Fig. 9 an embodiment of three parallel juxtaposed or composite single edge protection devices is shown. Thus, a first additional auxiliary main scissors 4a 'and, on the right, a second additional auxiliary main scissors 4a "are fastened to the original main scissors 4a on the right.The swivel axes 6, 7, 8, 9 are in turn common to all of these scissors 4a, 4a'4a" Each of these scissors 4a, 4a ', 4a "also has two connecting elements 10' and 10", which are aligned parallel to one another two connecting elements 10 'and 10 "of a main scissors 4, 4', 4".

Fig. 10 zeigt eine Ausführungsform mit vier nebengeordneten Scheren, einer Hauptschere 4a, einer rechts daneben angeordneten Zusatzhauptschere 4a', einer weiteren Zusatzhauptschere 4a" und noch einer weiteren Zusatzhauptschere 4a"'. Die Scheren 4a, 4a' und 4a" sind vollständig und weisen sowohl jeweils drei Schersegmente 5 als auch jeweils einen Lenker 11a, 11a' und 11a" auf. Die rechteste Zusatzhauptschere 4a"' weist einen Lenker 11a'" auf. Fig. 10 shows an embodiment with four sibling scissors, a main scissors 4a, a right next to arranged additional main scissors 4a ', another additional main scissors 4a "and still another additional main scissors 4a"'. The scissors 4a, 4a 'and 4a "are complete and each have three shear segments 5 as well as a respective link 11a, 11a' and 11a". The rightmost additional main scissors 4a "'has a handlebar 11a'" on.

Es sind insgesamt acht zueinander parallele Verbindungselemente 10', 10" vorgesehen. Jede Hauptschere bzw. Zusatzhauptschere 4a, 4a', 4a", 4a"' weist jeweils zwei Verbindungselemente 10', 10" auf. Die Fehlermittel 14 sind wiederum beliebig zwischen den Verbindungselementen 10', 10" angeordnet.A total of eight mutually parallel connecting elements 10 ', 10 "are provided Each main shears or additional main shears 4a, 4a', 4a", 4a "'each have two connecting elements 10', 10". The error means 14 are in turn arranged arbitrarily between the connecting elements 10 ', 10 ".

Die Fig. 11a und Fig. 11b zeigen eine weitere Ausführungsform einer Kantenschutzvorrichtung, bei der zwei Scheren, eine Hauptschere 4a und eine Zusatzhauptschere 4a' über Stege 17a miteinander verbunden sind. Diese Stege 17a verlaufen fluchtend mit den Achsen 6, 7, 8, 9. Die Stege 17a, 17b dienen zur Abstandsvergrößerung bzw. als Abstandshalter zwischen der Hauptschere 4a und der Zusatzhauptschere 4a'. In der Ausführungsform nach Fig. 11a und 11b liegen die Schersegmente 5a bzw. 5a' innen und somit an den Stegen 17a und 17b an. Die Lenker 11 a, 11 a' liegen außen.The Fig. 11a and Fig. 11b show a further embodiment of an edge protection device, in which two scissors, a main scissors 4a and an additional main scissors 4a 'are interconnected via webs 17a. These webs 17a are aligned with the axes 6, 7, 8, 9. The webs 17a, 17b serve to increase the distance or as a spacer between the main scissors 4a and the additional main scissors 4a '. In the embodiment according to Fig. 11a and 11b are the shear segments 5a and 5a 'inside and thus on the webs 17a and 17b. The links 11 a, 11 a 'are outside.

Die Stege 17a und 17b können als Achsen ausgebildet werden und somit eine gleichförmige Bewegung nebeneinanderliegender Scheren bewirken.The webs 17a and 17b can be formed as axes and thus cause a uniform movement of adjacent scissors.

In Fig. 12a und 12b wird eine weitere Ausführungsform einer Kantenschutzvorrichtung dargestellt, die der in Fig. 11a, 11b dargestellten Ausführungsform sehr nahe kommt. Im Unterschied dazu liegen jedoch die Lenker 11a, 11a' der Hauptschere 4a und der Zusatzschere 4a' innen und die Schersegmente 5a und 5a' außen.In Fig. 12a and 12b a further embodiment of an edge protection device is shown, the in Fig. 11a, 11b shown embodiment comes very close. In contrast, however, are the handlebars 11a, 11a 'of the main scissors 4a and the auxiliary scissors 4a' inside and the shear segments 5a and 5a 'outside.

Die für die Fig. 7 bis 12 getätigten Ausführungen beziehen sich analog immer auf die unteren Scheren 4b, 4b', 4b" sowie auf gegebenenfalls vorhandene Mittelscheren.The for the Fig. 7 to 12 executed statements relate analogously always on the lower scissors 4b, 4b ', 4b "and on any existing shears.

Weiters sind hier nicht dargestellte Detektionsmittel zur Detektion einer Annäherung der Kantenschutzleiste 3 an die Kante 2 vorgesehen, wobei bei Annäherung gegebenenfalls die Bewegung der Kante 2 bzw. des Gegenstands gestoppt wird. Derartige Detektionsmittel können, wie erwährt, Kraftsensoren sein, die den Kraftanstieg durch Messung des Motorstroms erkennen und danach schalten bzw. die Türbewegung anhalten.Furthermore, detection means, not shown here, are provided for detecting an approach of the edge protection strip 3 to the edge 2, wherein, if necessary, the movement of the edge 2 or of the object is stopped when approaching. Such means of detection can, as stated, be force sensors which detect the force increase by measuring the motor current and then switch or stop the door movement.

Zur zusätzlichen Sicherung gegen Einklemmungen können weitere Sicherheitseinrichtungen vorgesehen sein. So kann die Kantenschutzleiste 3 beispielsweise im Querschnitt U-förmig ausgebildet sein, wobei die Schenkel der U-förmigen Kantenschutzleiste 3 in Richtung der Kante 2 gezogen sind und somit die Mittel 4a, 4b, 4c,... bzw. Scheren von der Seite nicht mehr zugänglich sind bzw. bei seitlicher Ansicht der Blick auf und der Zugriff in die Mittel 4a, 4b, 4c,... bzw. Scheren versperrt ist. Die Schenkel können bis über den Beginn der Kante 2 weiter gezogen werden, um zusätzliche Sicherheit zu verschaffen.For additional protection against entrapment further safety devices can be provided. Thus, the edge protection strip 3 may be formed, for example, in cross-section U-shaped, wherein the legs of the U-shaped edge protection strip 3 are pulled in the direction of the edge 2 and thus the means 4a, 4b, 4c, ... or scissors from the side are more accessible or side view of the view and the access in the means 4a, 4b, 4c, ... or scissors is blocked. The thighs can be pulled on beyond the beginning of edge 2 to provide additional security.

Auch kann vorgesehen sein, dass die Mittel 4a, 4b, 4c,... bzw. Scheren in einer nutförmigen, länglichen Ausnehmung in der Kante 2 versenkbar sind. Die Mittel 4a, 4b, 4c,... bzw. Scheren sind in diesem Fall am Boden der Nut befestigt. In zusammengedrücktem Zustand schließt die Kantenschutzleiste 3 mit den beidseitig der Nut aufragenden Kanten ab. Die Mittel 4a, 4b, 4c,... bzw. Scheren werden so im wesentlichen im Inneren der Nut komprimiert.It can also be provided that the means 4a, 4b, 4c, ... or scissors in a groove-shaped, elongated recess in the edge 2 are retractable. The means 4a, 4b, 4c, ... or scissors are fastened in this case at the bottom of the groove. In compressed state, the edge protection strip 3 closes off with the edges rising up on both sides of the groove. The means 4a, 4b, 4c, ... or scissors are thus compressed substantially in the interior of the groove.

In Fig. 13 und 14 sind Kantenschutzvorrichtungen mit jeweils zwei Scheren bzw. einer Hauptschere 4a,4b und einer Zusatzhauptschere 4a',4b' mit profilierten Verbindungselementen 10 dargestellt.In FIGS. 13 and 14 edge protection devices with two scissors or a main scissors 4a, 4b and an additional main scissors 4a ', 4b' with profiled fasteners 10 are shown.

In Fig. 13a und 13b sind die ersten und zweiten Verbindungselemente 10',10" als zwei gleich dimensionierte Profilleisten mit jeweils U-förmigem Querschnitt ausgestaltet. Die Profilleisten bzw. Verbindungselemente 10',10" sind, ähnlich wie in Fig. 7a bzw. 7b, nebeneinander angeordnet und verlaufen parallel zueinander. Zwischen den Verbindungselementen 10',10" ist die Feder 14 angeordnet.In Fig. 13a and 13b The first and second connecting elements 10 ', 10 "are configured as two identically dimensioned profiled strips each having a U-shaped cross section Fig. 7a or 7b, arranged side by side and parallel to each other. Between the connecting elements 10 ', 10 ", the spring 14 is arranged.

In Fig. 14a und 14b ist eine Kantenschutzvorrichtung mit alternativ ausgestalteten Verbindungselementen 10',10" dargestellt. Die Verbindungselemente 10',10" sind ebenfalls als Profilleisten mit U-förmigem Querschnitt ausgestaltet. Bei dieser Ausführungsform sind die Verbindungselemente 10',10" allerdings ineinander verschachtelt angeordnet. Das erste Verbindungselement 10' weist einen größeren Querschnitt auf, das zweite Verbindungselement 10" einen kleiner dimensionierten Querschnitt. Dieses zweite Verbindungselement 10" verläuft mittig und parallel im Inneren des ersten Verbindungselementes 10' mit dem größeren Querschnitt. Die beiden Federn 14 sind im Inneren des ersten Verbindungselementes 10' und zwischen dem kleineren zweiten Verbindungselement 10" und dem größeren ersten Verbindungselement 10' angeordnet.In Figs. 14a and 14b 3 shows an edge protection device with alternatively configured connecting elements 10 ', 10 "The connecting elements 10', 10" are likewise designed as profiled strips with a U-shaped cross section. In this embodiment, however, the connecting elements 10 ', 10 "are arranged nested in one another. The first connecting element 10' has a larger cross section, the second connecting element 10" has a smaller dimensioned cross section. This second connecting element 10 "runs centrally and parallel inside the first connecting element 10 'with the larger cross-section The two springs 14 are arranged inside the first connecting element 10' and between the smaller second connecting element 10" and the larger first connecting element 10 '.

Auf diese Weise wird die Stabilität vor und während der Montage gesteigert.In this way, the stability is increased before and during assembly.

Claims (14)

  1. An edge protection device (1) to be mounted on the edges (2) of displaceable objects, in particular sliding doors or the like, to prevent said objects from bumping into obstacles or trapping any other objects in order to avoid damage and injuries in case said edge (2) or said edge protection device (1) bumps into an obstacle, said device (1) comprising:
    - an edge protection strip (3) which, when in operation, is spaced apart from said edge (2);
    - means (4a, 4b, 4c,...) for mounting said edge protection strip (3) on said edge (2), and
    - detection means for detecting whether said edge protection strip (3) approaches said edge (2), in which case the displacement of said edge (2) may optionally be halted,
    characterized in that said means (4a, 4b, 4c,...) for mounting said edge protection strip (3) have a folding-grille-like structure or the form of displaceable and pivotable rhomboid guiding means or consist of one or more combined folding-grille-like elements, said means (4a, 4b, 4c,...) being coupled to one another by means of a parallel guiding mechanism in the form of coupling elements joining said means (4a, 4b, 4c,...) in order to be displaced parallel to one another, so that said edge protection strip (3) may only be displaced parallel in a direction extending vertically to the edge (2), while remaining parallel to said edge (2), and/or that said edge protection strip (3) is only displaced or moved in a direction extending vertically to said edge (2), said edge protection strip (3) being permanently oriented parallel to said edge (2) when being displaced in relation thereto;
    wherein at least two outer or terminal main rhomboids (4a, 4b), a first outer main rhomboid (4a) and a second outer main rhomboid (4b), are provided for mounting said edge protection strip (3) to said edge (2), each of said main rhomboids (4a, 4b) consisting of four pivotably coupled main rhomboid segments (5a, 5b), which are pivotably coupled to one another via pivot bearings and pivot bearing journals (6, 7, 8, 9), namely via a pivot bearing (6a, 6b) remote and turned away from said edge protection strip (3) at the side of the edge (2), a pivot bearing (7a, 7b) close to and facing said edge protection strip (3) at the side of the edge protection strip, an inner pivot bearing (9a, 9b) extending inwards and facing the adjacent main rhomboid (4b, 4a), and an external pivot bearing (8a, 8b) extending outwards and being turned away from the adjacent main rhomboid (4b, 4a), in order to be pivotable in relation to one another and to form a rhomboid together;
    wherein each main rhomboid (4a, 4b) is coupled to said edge protection strip (3) via its pivot bearing (7a, 7b) situated at the side of the edge protection strip and may be mounted to the edge (2) by means of its pivot bearing (6a, 6b) at the side of the edge; and
    wherein the main rhomboids (4a, 4b) are coupled to be displaceable parallel to one another by means of said parallel guiding mechanism.
  2. The edge protection device according to claim 1, characterized in that said parallel guiding mechanism is formed by a single torsion-resistant coupling element (10) which is spaced apart from the edge protection strip (3), functions as a pull and push rod and is operationally coupled to the two main rhomboids (4a, 4b) via pivot bearings, so that the main rhomboids (4a, 4b) are coupled to one another in a way that they may be displaced parallel to one another, wherein said coupling element (10) optionally joins the outer pivot bearing (8a, 8b) of one of the main rhomboids (4a, 4b) and the inner pivot bearing (9b, 9a) of the other main rhomboid (4b, 4a), and/or an oblong recess (12) is formed in the coupling element (10) in the area of the free inner pivot bearing (9a, 9b) which is not pivotably coupled to said coupling element (10), said free inner pivot bearing (9a, 9b) engaging with said recess (12), optionally via its journal, and being guided therein.
  3. The edge protection device according to claim 1, characterized in that two coupling elements, a first coupling element (10') and a second coupling element (10") are provided spaced apart from the edge protection strip (3), acting as pulling means and preferably extending parallel to one another, said coupling elements (10', 10") being operationally coupled to the two main rhomboids (4a, 4b) via pivot bearings, coupling said main rhomboids (4a, 4b) to one another so that they may be displaced parallel to one another, wherein said first coupling element (10') optionally joins the inner pivot bearing (9a, 9b) of one of the main rhomboids (4a, 4b) and the outer pivot bearing (8b, 8a) of the other main rhomboid (4b, 4a), and said second coupling element (10") joins the inner pivot bearing (9b, 9a) of the other main rhomboid (4a, 4b) which still remains free to the outer pivot bearing (8a, 8b) of the one main rhomboid (4b, 4a) which still remains free, and/or an oblong recess (12') is formed in the first coupling element (10') in the area of the free inner pivot bearing (9b, 9a) of the second main rhomboid (4b) which is not coupled to said first coupling element (10'), said free inner pivot bearing (9b, 9a) engaging with said recess (12'), optionally via its journal, and being guided therein, and/or an oblong recess (12") is formed in the second coupling element (10") in the area of the free inner pivot bearing (9a, 9b) of the first main rhomboid (4a) which is not coupled to said second coupling element (10"), said free inner pivot bearing (9a, 9b) engaging with said recess (12"), optionally via its journal, and being guided therein.
  4. The edge protection device according to any one of the claims 1 to 3, characterized in that at least one additional middle rhomboid (4c, 4d,...) is disposed between the two outer main rhomboids (4a, 4b), said middle rhomboid consisting of four pivotably coupled middle rhomboid segments (5c, 5d,...), which are pivotably coupled to one another via pivot bearings and pivot bearing journals (6, 7, 8, 9), namely via a pivot bearing (6c, 6d,...) remote and turned away from said edge protection strip (3) at the side of the edge (2), a pivot bearing (7c, 7d,...) close to and facing said edge protection strip (3) at the side of the edge protection strip as well as two further inner and outer pivot bearings (8c, 9c, 8d, 9d,...), in order to be pivotable in relation to one another and to form a rhomboid together,
    wherein each middle rhomboid (4c, 4d,...) is coupled to said edge protection strip (3) via its pivot bearing (7c, 7d,...) situated at the side of the edge protection strip and being mountable to the edge (2) by means of its pivot bearing (6c, 6d,...) at the side of the edge, and
    each of said middle rhomboids (4c, 4d,...) is coupled to said outer main rhomboids (4a, 4b) by means of a parallel guiding mechanism to be displaceable parallel to them, so that said edge protection strip (3) may only be displaced and moved in a direction extending vertically to the edge (2), while remaining parallel to said edge (2), wherein the coupling element (10), acting as a pull and push rod, is optionally coupled or operationally coupled to each middle rhomboid (4c, 4d,...) via pivot bearings, coupling each middle rhomboid (4c, 4d,...) to the outer main rhomboids (4a, 4b) so that they may be displaced parallel to them, and/or the coupling element (10) is arranged at the outer or inner pivot bearing (8c, 9c,...) of each of the middle rhomboids (4c, 4d,...), and/or further middle oblong recesses (15) are formed in the coupling element (10), one in the area of each of the middle rhomboids (4c,...), namely in the area of each free outer and inner pivot bearing (8c, 9c,...) which is not pivotably coupled to said coupling element (10), said outer and inner pivot bearings (8c, 9c,...) engaging with said recesses (15), optionally via their journals, and being guided therein.
  5. The edge protection device according to claim 4, characterized in that the first coupling element (10') and the second coupling element (10") are coupled or operationally coupled to each of the middle rhomboids (4c, 4d,...) via pivot bearings and each middle rhomboid (4c, 4d,...) is thus coupled to the outer main rhomboids (4a, 4b) to be displaceable parallel to them, wherein the first coupling element (10') is optionally arranged at the outer or inner pivot bearing (8c, 9c,...) of each of the middle rhomboids (4c, 4d,...), and/or the second coupling element (10") is arranged at the inner or outer pivot bearing (9c, 8c,...) of each of the middle rhomboids (4c, at,...) which still remains free, and/or further middle oblong recesses (15') are formed in the first coupling element (10') in the area of each middle rhomboid (4c, 4d,...), namely in the area of each free inner and outer pivot bearing (8c, 9c,...) which is not pivotably coupled to said first coupling element (10'), said free outer and inner pivot bearings (8c, 9c...) engaging with said recesses (15'), optionally via their journals, and being guided therein, and/or further middle oblong recesses (15") are formed in the second coupling element (10") in the area of each middle rhomboid (4c, 4d,...), namely in the area of each free outer and inner pivot bearing (8c, 9c...) which is not coupled to said second coupling element (10"), said free outer and inner pivot bearings (8c, 9c,...) engaging with said recesses (15"), optionally via their journals, and being guided therein.
  6. The edge protection device according to any one of the claims 1 to 5, characterized in that an angle (α) is defined between the rhomboid segments (5a, 5b, 5c,...) arranged at the pivot bearing (7a, 7b, 7c) at the side of the edge protection strip (3) and the displacement of the rhomboids (4) is restricted so that said angle (α) amounts to between > 0° and <120°, particularly between 3° and 20°, in the initial position of the edge protection device, in which it is not pushed together, wherein the displacement of the rhomboids (4) is optionally restricted by at least one restriction element (16a, 16b,...), particularly a rigid rod or a flexible rope, which is particularly arranged between the edge protection strip (3) and the edge (2) or between one of the pivot bearings (6, 7, 8, 9) and the edge protection strip (3) or the edge (2) and restricts the rhomboids' displacement only in one direction or in both directions.
  7. The edge protection device according to any one of the claims 2 to 6, characterized in that the coupling elements (10, 10', 10", ...) are formed as pulling elements, pushing elements or pull and push elements, particularly as rigid and torsion-resistant round or flat rods, particularly as U- or V-profiles or as elastic and easily flexible, rope-like bodies.
  8. The edge protection device according to any one of the claims 2 to 7, characterized in that, in case the coupling elements (10, 10', 10", ...) are rope-like bodies, particularly ropes or cords, the recesses (12, 15) are eyelets or loops formed therein or ring-like structures incorporated therein.
  9. The edge protection device according to any one of the claims 1 to 8, characterized in that at least one of the main rhomboids (4a, 4b) or the middle rhomboids (4c, 4d,...) has one or two guiding means (11a, 11b, 11c,...) in order to prevent an undesired parallel displacement of the edge protection strip (3) towards the edge (2), said guiding means (11a, 11b, 11c,...) being respectively formed by one of those rhomboid segments (5a, 5b, 5c,...) which are arranged at the pivot bearing (7a, 7b, 7c,...) at the side of the edge protection strip (3), said rhomboid segment (5a, 5b, 5c,...) which is formed as a guiding means (11a, 11b, 11c,...) being elongated towards the edge (2) or extending from the edge protection strip (3) to the edge (2) and, in its mounting position, the guiding head (13a, 13b, 13c,...) continuously contacts the edge (2) and said rhomboid segment (5a, 5b, 5c,...) which is formed as said guiding means (11a, 11b, 11c,...) being arranged at one of the inner pivot bearings (9a, 9b) or the outer pivot bearings (8a, 8b) of the main rhomboids (4a, 4b) or at one of the inner and outer pivot bearings (8c, 9c,...) of the middle rhomboid(s) (4c, 4d,...), said guiding head (13a, 13b, 13c,...) being thus displaced in a direction opposite or leading away from the respective pivot bearing (7a, 7b, 7c...) at the side of the edge protection strip (3).
  10. The edge protection device according to any one of the claims 1 to 9, characterized in that means, particularly spring means (14), preferably compression or extension springs, are provided for moving the edge protection strip (3) back into its initial position in which it is spaced apart from the edge (2), wherein said means or spring means (14) are optionally disposed between the coupling elements (10', 10") and that, via said means or spring means (14), and said coupling means (10', 10") are operationally coupled in relation to their relative displacement in relation to one another, and/or said compression springs (14) extend from the outer and inner pivot bearings (8, 9) to the edge or to the edge protection strip (3), and/or the direction of the spring force of the means or spring means (14) extends along an axis parallel to the edge protection strip (3) or at an angle to the edge protection strip (3) which decreases, when the edge protection strip (3) moves towards the edge (2), and/or the spring means (14) are biased with a force of 5 N/mm to 400 N/mm, particularly of 10 N/mm to 150 N/mm, and have a spring constant of 0.5 N/mm to 5 N/mm, particularly of 1 N/mm to 3 N/mm.
  11. The edge protection device according to any one of the claims 1 to 10, characterized in that additional main rhomboids (4a', 4b', 4a", 4b",...) are provided for stabilizing the edge protection strip (3) against the influence of at least partially lateral forces, said additional main rhomboids (4a', 4b', 4a", 4b",...) being arranged adjacent to the original two main rhomboids (4a, 4b), particularly parallel to them, and the main rhomboids (4a, 4b) and the additional main rhomboids (4a', 4b', 4a", 4b",...) using the same pivot bearings (6, 7, 8, 9) and being arranged on the same axes, the main rhomboids (4a, 4b) and the additional rhomboids (4a', 4b', 4a", 4b",...) being coupled to one another by means of a parallel guiding mechanism, so that the edge protection strip (3) may only be displaced vertically to the edge (2) while remaining parallel thereto.
  12. The edge protection device according to any one of the claims 1 to 11, characterized in that additional middle rhomboids (4c', 4d', 4c", 4d",...) are provided, said additional middle rhomboids (4c', 4d', 4c", 4d",...) being arranged adjacent to the original middle rhomboids (4c, 4d), particularly parallel to them, and the middle rhomboids (4c, 4d) and the additional middle rhomboids (4c', 4d', 4c", 4d",...) using the same pivot bearings (6c, 7c, 8c, 9c) and being arranged on the same axes, the main rhomboids (4a, 4b), the additional main rhomboids (4a', 4b', 4a", 4b",...), the middle rhomboids (4c, 4d,...) and the additional middle rhomboids (4c', 4d', 4c", 4d",...) being coupled to one another by means of a parallel guiding mechanism, so that the edge protection strip (3) may only be displaced vertically to the edge (2) while remaining parallel thereto.
  13. The edge protection device according to claim 11 or 12, characterized in that additional coupling elements (10, 10', 10",...) are provided for stabilizing the edge protection strip (3) against the influence of at least partially lateral forces, said additional coupling elements (10, 10', 10") being coupled to the main rhomboids (4a, 4b), the additional main rhomboids (4a', 4b', 4a", 4b",...), the middle rhomboids (4c, 4d,...), and/or the additional middle rhomboids (4c', 4d', 4c", 4d",...) to be displaceable parallel to them, so that the edge protection strip (3) may only be displaced vertically to the edge (2) while remaining parallel thereto, and/or that webs (17a, 17b), in line with the axes of the pivot bearings (6, 7, 8, 9), are disposed between the main rhomboids (4a, 4b) and the additional main rhomboids (4a', 4b', 4a", 4b",...), spacing apart said main rhomboids (4a, 4b) and said additional main rhomboids (4a', 4b', 4a", 4b",...), and/or that webs (17c, 17d), in line with the axes of the pivot bearings (6c, 7c, 8c, 9c,...), are disposed between the middle rhomboids (4c, 4d) and the additional main rhomboids (4c', 4d', 4c", 4d",...), spacing apart said main rhomboids (4c, 4d) and said additional main rhomboids (4c', 4d', 4c", 4d",...).
  14. The edge protection device according to any one of the claims 3 to 13, characterized in that the coupling elements (10', 10") are formed as profiles having a U- or V-shaped section and are inserted into one another, particularly by forming the second coupling element (10") with a smaller diameter dimensions and the first coupling element (10') with larger diameter dimensions, the second coupling element (10") being arranged inside the first coupling element (10'), preferably in a central position and parallel thereto.
EP06817474A 2005-12-07 2006-12-04 Edge protection device Active EP1957739B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06817474T PL1957739T3 (en) 2005-12-07 2006-12-04 Edge protection device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1962/2005A AT502966B1 (en) 2005-12-07 2005-12-07 EDGE DEVICE
PCT/AT2006/000499 WO2007065183A2 (en) 2005-12-07 2006-12-04 Edge protection device

Publications (2)

Publication Number Publication Date
EP1957739A2 EP1957739A2 (en) 2008-08-20
EP1957739B1 true EP1957739B1 (en) 2012-07-11

Family

ID=38117107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06817474A Active EP1957739B1 (en) 2005-12-07 2006-12-04 Edge protection device

Country Status (4)

Country Link
EP (1) EP1957739B1 (en)
AT (1) AT502966B1 (en)
PL (1) PL1957739T3 (en)
WO (1) WO2007065183A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018118891B4 (en) * 2017-08-03 2021-03-11 Mietra e.K. Protective element, protective system and cabinet door
CN113719703B (en) * 2021-07-30 2023-02-03 国网山东省电力公司菏泽市定陶区供电公司 Large-scale machinery nearly electric early warning device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH283179A (en) * 1950-05-31 1952-05-31 Schweiz Wagons Aufzuegefab Switching device on electrically operated doors.
US3159728A (en) * 1960-09-19 1964-12-01 Byrne Doors Inc Safety edge for power-operated door
US3537211A (en) * 1967-06-26 1970-11-03 Guilbert Inc Reversing edge control for car doors
DE3021363A1 (en) * 1980-06-06 1981-12-17 Norbert 2056 Glinde Kille Monitor for movement of automatic sliding door - has movable safety strip cutting light beam to reverse door direction
JPH04286588A (en) * 1991-03-12 1992-10-12 Toshiba Corp Elevator door safety device
JPH0859156A (en) * 1994-08-18 1996-03-05 Toshiba Corp Car of elevator
JP2001048452A (en) * 1999-08-16 2001-02-20 Toshiba Elevator Co Ltd Door safety device for elevator
JP4106908B2 (en) * 1999-09-29 2008-06-25 株式会社日立製作所 Elevator equipment

Also Published As

Publication number Publication date
PL1957739T3 (en) 2013-01-31
WO2007065183A2 (en) 2007-06-14
AT502966A1 (en) 2007-06-15
EP1957739A2 (en) 2008-08-20
AT502966B1 (en) 2012-05-15
WO2007065183A3 (en) 2007-07-26

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