EP3517259B1 - Scie circulaire basculante pour bois de chauffage pourvu de couvercle de sécurité à verrouillage automatique - Google Patents

Scie circulaire basculante pour bois de chauffage pourvu de couvercle de sécurité à verrouillage automatique Download PDF

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Publication number
EP3517259B1
EP3517259B1 EP19153616.8A EP19153616A EP3517259B1 EP 3517259 B1 EP3517259 B1 EP 3517259B1 EP 19153616 A EP19153616 A EP 19153616A EP 3517259 B1 EP3517259 B1 EP 3517259B1
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EP
European Patent Office
Prior art keywords
rocker
safety cover
saw
rod
bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19153616.8A
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German (de)
English (en)
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EP3517259A1 (fr
Inventor
Joachim Bürkle
Liu Yi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laizhou New Hardware Machinery Co Ltd
Guede & Co KG GmbH
Original Assignee
Laizhou New Hardware Machinery Co Ltd
Guede & Co KG GmbH
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Publication date
Application filed by Laizhou New Hardware Machinery Co Ltd, Guede & Co KG GmbH filed Critical Laizhou New Hardware Machinery Co Ltd
Publication of EP3517259A1 publication Critical patent/EP3517259A1/fr
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Publication of EP3517259B1 publication Critical patent/EP3517259B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/22—Saw benches with non-feedable circular saw blade
    • B27B5/224—Saw benches with non-feedable circular saw blade the workpieces being fitted on a pivoting support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B11/00—Cross-cut reciprocating saws with power drive; Appurtenances therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws

Definitions

  • the invention relates to a tilting saw according to the preamble of claim 1.
  • Tilting saws are usually used to cut longer objects to length.
  • the cuttings here are often logs from which firewood that can be used in the oven is to be made. Because of this, such tilting saws are characterized by the fact that they are typically used over long periods of time and at high speed, since corresponding quantities have to be processed.
  • Such seesaws consist of a seesaw that takes up the logs, for example.
  • the rocker can be swiveled against the saw blade, which means that the saw organ cuts the logs in the rocker. It is the same with other clippings.
  • the EP 2 390 071 A1 discloses a seesaw according to the preamble of claim 1.
  • the invention is based on the object of creating an alternative rocker saw in which the rocker can only be moved when the operator has willfully closed a protective cover in the appropriate manner.
  • a tilting saw with a saw element is proposed.
  • the sawing element can theoretically be a saw band or an up and down cutting edge.
  • the saw member is preferably a rotating saw blade that realizes a circular saw.
  • the rocker of the seesaw can be pivoted between a rest position and at least one, mostly diverse, cutting positions. In each cutting position, the saw member protrudes at least partially into a channel-like receptacle of the rocker in which the cut material is located.
  • a channel-like receptacle in this sense is characterized by the fact that it is bordered on at least three sides by walls, in the form of a floor-forming surface and two surfaces-forming side walls.
  • the areas in question do not have to be complete be self-contained, they can also form locally or completely sufficiently small grid-like structures or the like.
  • a movable safety cover is provided on the seesaw, preferably in the form of a safety flap.
  • the safety cover closes the loading opening of the channel-like receptacle at least partially in the vicinity of the saw blade, but preferably completely.
  • the loading opening is generally the opening opposite the bottom-forming surface.
  • the safety cover In their open position, i.e. H. when the safety cover is pivoted into the open position or completely removed, it releases the loading opening of the channel-like receptacle for the purpose of loading clippings, which can then be inserted into the channel-like receptacle from above.
  • a safety lock which comprises a latch which is formed separately from the safety cover - preferably in a translatory manner - relative to the base frame, relative to the protective hood of the saw blade and, as a rule, also relative to the rocker itself.
  • the bolt releases the rocker as soon as the safety cover is at least substantially closed. This release usually takes place by moving the bolt relative to the rocker.
  • the safety lock preferably comprises a sensing element which senses whether the safety cover is closed.
  • This scanning is preferably mechanical in nature. Such a mechanical scanning is particularly safe, since it also works reliably if, for example, the power has failed and is unexpectedly available again. Because it must be prevented under all circumstances that in such a situation the rocker has been swiveled onto the saw blade, which is still stationary, and then the saw blade suddenly starts moving unexpectedly when the current returns. In principle, however, the scanning can also take place without contact, for example by means of a reed contact that electrically actuates a corresponding safety lock.
  • Said touch element ensures that the safety lock only releases the rocker when the safety cover is essentially closed.
  • the tactile organ is ideally a mechanical tactile organ. It is actuated by the safety cover in that it acts on the feeler element, preferably pressing it, as soon as the safety cover is in its closed position.
  • the sensing element can be a rod, but in principle it can also be a movable bolt that is coupled, for example, to a Bowden cable and in this way and Way transmits a mechanical signal to another part of the safety lock.
  • the safety lock preferably comprises at least one gate which has a free area within which the locking member can move back and forth unhindered when the rocker is pivoted.
  • the safety lock preferably comprises a latching area into which the locking member can latch in a form-fitting manner in order to block the rocker. A setting designed in this way can be operated mechanically extremely reliably with the aid of a rod or the said Bowden cable.
  • the backdrop is designed as a plate or metal plate.
  • the free area and the latching area are then ideally designed as corresponding openings which usually go completely through the plate.
  • a plate is understood here to be a structure that has two large main surfaces, each of which has at least one surface that is eight times larger than the associated side surfaces.
  • the free area is preferably laterally limited in such a way that it has at least one reveal which forms a sliding surface in the form of a circular path.
  • the backdrop is attached in a stationary manner relative to the base frame in the vicinity of the pivot axis of the rocker.
  • This close range is preferably defined by an imaginary cylinder, the radius of which is a maximum of 20 cm or, better still, only 15 cm and the central longitudinal axis of which is identical to the pivot axis of the rocker.
  • a backdrop in this area must provide only relatively short paths for the locking projection protruding into it. It should be said that the backdrop is preferably in the lowest, ground-level quarter of the base frame, calculated in relation to its total height.
  • the safety lock preferably comprises a bolt which is designed for the saw blade and which is movable in translation and which is designed separately from the safety cover and without involving the protective hood. This blocks the rocker as long as it cannot be safely swiveled in the direction of the saw element. He releases the rocker as soon as it can be swiveled safely, for example because the user is holding both hands on the rocker.
  • the rocker preferably has a hold-down device which can be pivoted through the fixed side wall of the channel-like receptacle facing the operator into the channel-like receptacle.
  • the tilting saw 1 can be clearly seen here. It has a base frame 2, which preferably consists of a trestle-like frame, the legs of which, including the cross strut connecting them, can have the shape of an A open at the bottom in pairs.
  • a motor 3 is preferably mounted on the base frame. This drives a saw organ.
  • the saw member is usually attached directly to its shaft. Instead of the motor, there can also be a device for coupling a rotating shaft, for example a machine drive shaft in the form of a shaft that comes from a tractor, or some other transmission.
  • the saw member 4 preferably has the shape of a rotating disk and then forms the saw blade of a circular saw, compare Figure 3 .
  • this saw blade is covered by a protective hood 5, which is stationary relative to the base frame 2, at least during operation. Where the saw blade is covered in this way, there is no danger from it.
  • rocker 6 In addition to the base frame 2, a so-called rocker 6 is provided.
  • the rocker 6 can be pivoted about an axis 7. As a rule, the axis is arranged essentially horizontally. It is carried by the base frame 2.
  • a support 8 is preferably provided pivotably about the same axis 7.
  • the support 8 can ideally be locked in its operating position with the aid of a blocking device 9.
  • the support 8 prevents the tilting saw from tipping towards the operator when the rocker is fully loaded with clippings.
  • the base frame 2 is preferably additionally provided with at least one pair of wheels in order to be able to easily bring the tilting saw 1 to its place of use. However, this is not shown figuratively.
  • the rocker generally consists of at least one rocker frame 10.
  • the main elements of this rocker frame 10 are preferably metal pipes. These metal pipes can be welded together. They preferably form a U that is open at the bottom. This U is penetrated by the axis 7 at its lowest end. This will keep it pivotable.
  • the metal tubes forming the rocker frame are preferably additionally planked, as a rule with one or more metal sheets.
  • rocker has other elements so that it can be used in Figure 1 easily recognizable, channel-like receptacle 11 forms for the material to be cut.
  • the side of the channel-like receptacle facing the saw blade has a slot. The saw blade passes through this as soon as the rocker is pivoted in the direction of the saw blade.
  • the channel-like receptacle 11 is provided for at least one, but preferably several sections, for. B. to be able to record a tree trunk side by side, as is indicated here with the part that bears the reference symbol BS.
  • the channel-like receptacle 11 is loaded from above, as can be seen in this figure.
  • the channel-like receptacle 11 can be open on both of its end faces located to the left and right of the saw blade. In any case, this applies when these end faces are far enough away from the area in which the saw blade works in the groove to ensure that the operator cannot reach the area of the saw blade with a part of his body. In the case of particularly safe devices, these end faces are also closed, for example with the aid of a sheet metal. Otherwise, it applies that the safety cover covers the channel-like receptacle from above, at least in the vicinity of the saw blade, from above, but preferably over its entire width.
  • a safety cover 13 is also provided.
  • This safety cover 13 can be completely removable Be lid. Ideally, however, it is a safety flap.
  • This is attached to the rocker 6 so as to be pivotable about an axis. It is particularly favorable if the axis is formed on the side of the rocker that is directly adjacent to the saw blade. The axis is optimally positioned so that it is essentially horizontal.
  • the safety cover 13 which is designed as a flap, can be seen in the completely pivoted-open state. In this way, the channel-like receptacle can easily be loaded with the clippings from above.
  • the safety cover 13, designed as a flap can be pivoted in the direction of the arrow P. In its closed position, it completely covers the loading opening of the channel-like receptacle 11. This eliminates the risk that the operator can get into the area of the saw blade with his hands or hair or loose clothing.
  • a so-called safety lock SP is provided according to the invention.
  • the safety lock SP is explained below.
  • the safety lock SP ensures that the rocker is only then pivoted from its rest position in the direction of the saw blade when the safety cover 13 is fully closed.
  • the safety device preferably includes a backdrop 15, as best in the Figures 2 , 3 , 6 and 7 can be seen.
  • the gate 15 is mounted immovably with respect to the base frame 2.
  • This gate 15 provides a recess which is functionally divided into a free area 16 and a latching area 17.
  • the free area 16 is designed in such a way that the locking projection 18 can execute the pivoting movement within the free area (when it has arrived there) which is forced upon it by the pivoting of the rocker 6.
  • the locking projection preferably protrudes freely from the rod 19. It is then only attached to the rod on one side.
  • the rod 19 is best in under the influence of one Figure 2 to be recognized spring translationally relatively movable to the rocker 6 mounted on this. The rod 19 therefore swivels together with the rocker, but can be moved back and forth with respect to this.
  • the safety cover 13 acts on the rod 19. It preferably acts on a free end face of the rod 19 a.
  • the safety cover 13 with the in the Figures 6 and 7 locking bracket shown. The latter is cheap, but not always necessary.
  • This locking bracket is ideally U-shaped or V-shaped. The two free ends of its legs are ideally attached to the safety cover 13. Usually they are welded on.
  • the locking projection 18 prevents the rocker from its rest position in the direction of the saw blade by means of a positive fit with the link 15, compare Figure 3 , Figure 2 and Figure 6 .
  • the locking bracket 20 moves towards the rod 19. This movement goes like that Figure 6 by means of the arrow P2.
  • the locking bracket 20 strikes against the free end face of the rod 19 due to this movement and continues to move in the direction of the arrow P2, it presses the rod 19 downwards. In broader terms, it can therefore be said that the safety cover actuates the rod.
  • the rod 19 is in the of Figure 7 Position shown transferred.
  • the locking projection 18 connected to the rod 19 passes from the latching area 17 into the free area 16.
  • the locking projection 18 therefore no longer locks, ie the rocker can be pivoted in the direction of the saw blade. By pivoting this way, the Locking projection 18 deeper and deeper into the free area 16.
  • the safety cover is now released and can be opened.
  • the rod 19 preferably runs parallel to one of the tubes which forms the rocker frame 10. In principle, the rod 19 could even run in such a tube.
  • Figures 6a and 6b show, so that the rod 19 is guided in a closed tube or box girder which is usually longitudinally slotted on one side and which also forms the rocker frame 10 of the rocker 6.
  • What does this variant of the Figures 6 and 7 differs is the type of stop 22.
  • FIG Figure 2 An alternative embodiment is shown in FIG Figure 2 .
  • This alternative embodiment corresponds functionally completely to the embodiment described so far, in particular the entire area around the gate 15 or the gate plate corresponds to the embodiment described so far. What has been said in relation to the first exemplary embodiment also applies in a corresponding manner to this second exemplary embodiment.
  • the safety cover 13 is again preferably equipped with a locking bracket 20.
  • the latter is attached to the safety cover 13 in the manner already described.
  • a bearing block 29 is preferably attached to the rocker itself, here in the form of an omega-shaped bent sheet metal part.
  • This sheet metal part carries an axis 30, which in Figure 2 is only hinted at.
  • a bolt 21 is mounted so as to be pivotable about this axis 30.
  • the bolt 21 has an actuating lever 31.
  • This actuating lever 31 is preferably operated by an actuating arm 32.
  • the actuating arm 32 is fixed on the rod 19, for example by screwing or welding, see also Figure 5 .
  • the locking bracket 20 (or possibly also the safety cover 13 directly) preferably comes to rest on the end face of the rod 19 again in the course of the movement.
  • the installation takes place in the manner already described as soon as the safety cover approaches its closed position. How to Easily Using the Figure 5 can understand, happens as soon as the locking bracket 20 moves further down in the direction of the rod 19 and takes it with it, the following:
  • the rod 19 moves downward together with the actuating arm 32 attached to it.
  • the actuating arm 32 comes into contact with the actuating lever 31 of the bolt 21.
  • a further downward movement of the actuating arm 32 together with the rod 19 causes the bolt 21 to pivot counterclockwise against the biasing force of its spring, not shown here.
  • the latch 21 engages with its mouth over the locking bracket 20 and holds it in place. Also in this way, the locking bracket 20 and with it the Safety cover 13 connected to rod 19. This is done as described above.
  • the link 15 and the locking projection 18 assigned to it also work again as has already been described above.
  • This means that the link here also holds the bolt 21, the locking bracket 20 and thus the safety cover 13 in the closed position as long as the rocker is pivoted back and forth. It is only released when the rocker has reached its rest position again. The safety cover 13 is then released in the manner already described above.
  • FIGS Figures 9, 10 and 11 Another alternative embodiment is shown in FIGS Figures 9, 10 and 11 .
  • FIG. 10 and 11 show the upper and the lower end of the rod 19, in a somewhat simplified representation. As evidenced by the Fig. 11 corresponds to the entire area around the backdrop 15 or the Link plate around the first embodiment described so far.
  • the upper end of the rod 19 is equipped with a bevel 40 acting as a wedge, which is preferably implemented here on an L-profile 41 which is fastened to the rod 19.
  • the wedge slope 40 slides on the bolt 21, which is designed here as a translationally movable slide.
  • the bolt 21 is displaced into its closed position against the spring element VE pressing it into the open position.
  • the bolt 21 is pushed into the latch 42 or its eye assigned to it.
  • the trap is attached to the safety cover 13. This will lock the safety cover in place.
  • the bolt 21 is also attached to the rocker here.
  • the bolt 21 is preferably arranged so that it is translationally displaceable in the horizontal direction.
  • the rod 19 and the gate 15 are covered in such a way that the user can really only push the rod 19 into the position that enables the rocker to pivot by holding the safety cover in brings it to its closed position. Otherwise the user cannot reach the bar.
  • the hold-down device preferably consists of several rods or disks which are pivotably coupled relative to one another.
  • the hold-down device for the material to be cut is arranged in the side wall of the rocker. What is meant is the side wall that faces the operator and that lies below the safety cover 13. For this purpose, an opening is provided in this side wall of the rocker. At least some of the rods, which here form the hold-down device, can protrude through said opening into the channel-like receptacle for the material to be cut.
  • the pivot lever 34 is an essential part of this hold-down device.
  • the pivot lever 34 is held on the outside of said side wall by means of a bearing block 35.
  • the bearing block 35 forms a pivot axis 38, which is spaced apart from the side wall and fixed in place on the rocker, for the pivot lever 34.
  • the pivot lever forms a rocker with respect to the axis 38.
  • One part of the rocker is on one side and the other part of the rocker on the opposite side of the axis.
  • the translation can be structurally adjusted via the lever ratios that form the two rocker arms.
  • the pivot lever 34 is preferably connected to the pressure piece of the hold-down device via a further rod which can be pivoted opposite it and which forms a coupling element 36.
  • the relative to the rocker 6 serves as a whole mobile axis 36a, which the Pivoting lever connects pivotably relative to one another with the coupling element.
  • the coupling swivel axis is mobile in relation to the rocker.
  • a coupling element in the form of the rigid rod shown, it would also be possible to use a cable, preferably a steel cable that is essentially flexible in itself.
  • the pressure piece of the hold-down device is in turn held pivotably about an axis 39 on said side wall.
  • the axis 39 forms a further pivot axis which is held stationary on the rocker.
  • the pressure piece has a long side L which is formed on one side by the axis 39.
  • the long side L preferably has teeth Z or form-fit elements with which the pressure piece can bite into the wood to be cut.
  • the pressure piece 37 also preferably has a short side K, with which it is connected to the coupling element 36 in a manner that is pivotable relative to the rocker 6 as an entire mobile axis 36b.
  • the short side K lies on the other side of the axis of rotation 39 compared to the long side.
  • the translation can be structurally adjusted via the leverage that the two rocker arms form in the form of the long and the short side.
  • the coupling element 36 As soon as the user has removed the free side of the pivot lever 34 from the Figure 3 position shown down, the coupling element 36 is raised. It exerts tension on the short side of the pressure piece 37. This leads to the pressure piece 37 pivoting about its axis 39 (counterclockwise) inwards into the channel-like receptacle. There it presses on the clippings and prevents z. B. its rotation.
  • the hold-down does not have to be actuated by the operator by pulling upwards, but can be actuated by pushing downwards.
  • a power transmission is usually also achieved.
  • the hold-down device is designed in such a way that, when it is ventilated, it disappears completely behind the wall that limits the gutter-like receptacle for the rocker. There is therefore no risk of the hold-down device being accidentally taken along during the loading of the rocker and then being pressed into a position in which it can no longer perform its function or is even damaged.
  • This hold-down device does not reach through the safety cover or is held on it. It therefore does not increase the weight or the inertial mass that has to be handled during each of the usually innumerable opening and closing operations of the safety cover.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Claims (15)

  1. Scie à bascule (1) avec au moins un élément de sciage (4) et une bascule (6) montée de manière pivotante autour d'un axe de rotation par rapport à l'élément de sciage (4) par rapport à un châssis de base (2) avec un réceptacle en forme de gouttière ( 11) pour le matériau à couper, la bascule (6) pouvant pivoter entre une position de repos éloignée de l'élément de sciage (4) et une position de coupe dans laquelle l'élément de sciage (4) coupe le matériau à couper qui se trouve dans le réceptacle en forme de gouttière (11), un couvercle de sécurité (13) mobile étant prévu sur la scie à bascule (1), qui ferme l'ouverture de chargement du réceptacle en forme de gouttière (11) dans sa position fermée, et qui relâche l'ouverture de chargement pour le chargement dans sa position ouverte, un verrou de sécurité (SP) étant prévu, caractérisé en ce que le verrou de sécurité (SP) comprend un verrou (21) mobile séparé du couvercle de sécurité (13), quel verrou bloque la bascule (6) lorsque le couvercle de sécurité (13) est complètement ou partiellement ouvert, et qui relâche la bascule (6) lorsque le couvercle de sécurité (13) est au moins essentiellement fermé,
    le verrou de sécurité (SP) comprenant de préférence un élément palpeur qui palpe si le couvercle de sécurité (13) est fermé et ne relâche la bascule (6) que lorsque le couvercle de sécurité (13) est fermé.
  2. Scie à bascule (1) selon la revendication 1, caractérisée en ce que l'élément palpeur est un élément palpeur mécanique qui est actionné par le couvercle de sécurité (13) dès qu'il est en position fermée.
  3. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le verrou de sécurité (SP) comprend au moins une coulisse (15) qui a une zone libre (16) à l'intérieur de laquelle l'élément de verrouillage peut se déplacer librement d'avant en arrière lors du pivotement de la bascule (6), et une zone de verrouillage (17) dans laquelle l'élément de verrouillage peut s'engager pour bloquer la bascule (6).
  4. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément palpeur est conçu de manière à déplacer l'élément de verrouillage de la zone de verrouillage (17) dans la zone libre (16), lorsque le couvercle de sécurité (13) est amené dans sa position fermée.
  5. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément palpeur comprend soit un câble Bowden, soit, de préférence, une tige (19) qui est montée sur la bascule (6), pivotante avec elle et déplaçable par rapport à elle.
  6. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la tige (19) déplace un élément de verrouillage sous la forme d'une saillie de verrouillage (18) qui fait saillie dans la coulisse (15) et se déplace d'avant en arrière entre la zone libre (16) et la zone de verrouillage (17) de la scie, lorsque la scie est actionnée comme prévu.
  7. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la coulisse (15) est une plaque, de préférence une plaque métallique.
  8. Scie à bascule (1) selon l'une des revendications précédentes, caractérisée en ce que la coulisse (15) est monté de manière fixe à proximité de l'axe de pivotement de la bascule (6) par rapport au châssis de base (2), de préférence dans une zone à l'intérieur d'un cylindre imaginaire qui a un rayon de 20 cm, mieux seulement 15 cm et dont l'axe longitudinal central est identique à l'axe de pivotement de la bascule (6).
  9. Scie à bascule (1) selon l'une des revendications précédentes, caractérisée en ce que, à chaque fois que le couvercle de sécurité (13) est ouvert en position de repos de la bascule (6), la tige (19) est déplacée par la tension de polarisation d'un ressort de telle manière que la saillie de verrouillage (18) est transférée de la zone libre (16) dans la zone de verrouillage (17) et bloque ainsi la bascule (6).
  10. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que, lorsque le couvercle de sécurité (13) atteint sa position complètement fermée, il déplace la tige (19) contre la tension de polarisation du ressort de telle manière que la saillie de verrouillage (18) est transférée de la zone de verrouillage (17) dans la zone libre (16) et relâche ainsi la bascule (6).
  11. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la tige (19) actionne au cours de son mouvement, qui transfère la saillie de verrouillage (18) dans la zone libre (16), au moins un verrou (21) associé au couvercle de sécurité (13), quel verrou (21) maintient le couvercle de sécurité (13) dans sa position fermée.
  12. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'au moins un verrou (21) associé au couvercle de sécurité (13) est maintenu fermé par la tige (19).
  13. Scie à bascule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone libre (16) de la coulisse (15) est une rainure ou une fenêtre avec un intrados (25), le long de laquelle la saillie de verrouillage (18) coulisse lors du pivotement de la bascule (6), la tige (19) étant ainsi maintenue de la coulisse (15) de sorte qu'elle maintient le verrou (21) associé au couvercle de sécurité (13) en position fermée.
  14. Scie à bascule (1) selon l'une des revendications précédentes, caractérisée en ce que le verrou (21) associé au couvercle de sécurité (13) est monté de manière pivotante autour d'un axe (23) qui est supporté par la tige (19) et déplaçable d'avant en arrière avec celle-ci par translation, et il y a une butée (22) qui vient en contact avec le verrou (21), lorsque la tige (19) est déplacée en direction de la coulisse (15), la butée (22) étant positionnée de manière à imposer un mouvement de pivotement sur le verrou (21) lors d'un mouvement supplémentaire.
  15. Scie à bascule (1) selon l'une des revendications précédentes, caractérisée en ce que le verrou (21) associé au couvercle de sécurité (13) coopère avec un ressort qui le presse dans sa position ouverte relâchant le couvercle de sécurité (13).
EP19153616.8A 2018-01-24 2019-01-24 Scie circulaire basculante pour bois de chauffage pourvu de couvercle de sécurité à verrouillage automatique Active EP3517259B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018000357 2018-01-24
DE202018100886.2U DE202018100886U1 (de) 2018-01-24 2018-02-16 Brennholzwippsäge mit automatisch sperrender Sicherheitsabdeckung

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EP3517259A1 EP3517259A1 (fr) 2019-07-31
EP3517259B1 true EP3517259B1 (fr) 2021-05-12

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DE (1) DE202018100886U1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102020100373A1 (de) * 2020-01-09 2021-07-15 HMG Heß GmbH & Co. KG Schneidvorrichtung

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Publication number Priority date Publication date Assignee Title
AT505378B1 (de) 2007-05-15 2010-05-15 Posch Gmbh Wippsägevorrichtung
AT11870U1 (de) * 2010-04-15 2011-06-15 Binderberger Maschb Gmbh Wippenabdeckung für eine wippenkreissäge
DE102010021523B4 (de) * 2010-05-26 2020-07-30 Scheppach Fabrikation Von Holzbearbeitungsmaschinen Gmbh Wippkreissäge
DE102010021522B4 (de) * 2010-05-26 2016-05-12 Scheppach Fabrikation Von Holzbearbeitungsmaschinen Gmbh Holzkreissaege

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EP3517259A1 (fr) 2019-07-31

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