EP1975356B1 - Support arrangement for windows - Google Patents
Support arrangement for windows Download PDFInfo
- Publication number
- EP1975356B1 EP1975356B1 EP20080445012 EP08445012A EP1975356B1 EP 1975356 B1 EP1975356 B1 EP 1975356B1 EP 20080445012 EP20080445012 EP 20080445012 EP 08445012 A EP08445012 A EP 08445012A EP 1975356 B1 EP1975356 B1 EP 1975356B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- sash
- suspension device
- arm
- slide
- 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
Links
- 239000000725 suspension Substances 0.000 claims description 39
- 230000002441 reversible effect Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005019 pattern of movement Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/28—Suspension arrangements for wings supported on arms movable in horizontal plane
- E05D15/30—Suspension arrangements for wings supported on arms movable in horizontal plane with pivoted arms and sliding guides
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
- E05D15/44—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/74—Specific positions
- E05Y2800/742—Specific positions abnormal
- E05Y2800/744—Specific positions abnormal cleaning or service
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Definitions
- the present invention relates to a suspension device for reversible windows.
- the invention also relates to a window that includes such a window mounting device.
- Reversible windows are widely used in dwellings and in public buildings.
- the frames of such windows can also be rotated through an angle in the proximity of 180° either about a vertical or a horizontal axis so as to turn the outwards side of the window inwards. This enables, among other things, the outer surface of the window to be turned so that a person standing inwardly of the window can readily clean the window glass.
- the upper or the lower end of the window sash is guided for vertical movement in vertical channels disposed in the side members of the window frame.
- the window sash is secured to the side members of the window frame by means of two hinge mechanisms or fittings and can be rotated about a horizontal axis defined by axle pins on the hinge mechanisms. Displacement of the vertically displaceable end of the sash upwards or downwards will be corresponded by the other end of the sash simultaneously moving outwards as the sash is rotated about the horizontal axis.
- one side of the sash is guided for displacement in horizontal channels disposed in the upper and the lower frame members, so as to enable reversible rotation about a vertical axis.
- ledge depth constitutes the distance between the outermost surface of the frame and the outwardly facing surface disposed inwardly of this surface, facing towards the sash and in sealing abutment with the sash when the window is closed.
- This latter surface is normally referred to as the sash abutment or stop surface.
- hinge mechanism and the sash are well balanced, so that as little work as possible is required to rotate the sash through 180° and then back again.
- the hinge mechanism should also be able to be fitted readily to standard frames and sashes without requiring special modification thereof. It is of course greatly important that the hinge mechanisms are strong and reliable. It is also of particular importance that the gap between the frame and the sash can be kept as small as possible also in the presence of the intermediate hinge mechanism in place. For reasons of manufacturing economy with regard to the hinge mechanism and also with regard to the fitted window it is desirable that one and the same type and size of hinge mechanism can be used in the manufacture of windows whose sizes vary within the widest possible limits.
- EP 0 542 050 A1 describes a window fitting where the upper or lower end of the sash is guided displaceably along the frame and can be turned through 180° about a horizontal axis.
- the fitting includes a hinge mechanism which is attached to a side member of the frame by means of a frame plate.
- the hinge mechanism includes a first and a second pivot arm that each has a first end which is pivotally attached to the frame plate and a third pivot arm which is pivotally attached in the proximity of a first end to the second ends of the first and second pivot arms.
- the third pivot arm also includes a shaft pivot that defines the rotational axis of the sash and that is placed at the second end of the third pivot arm.
- GB 2 074 227 A describes a fitting which includes pivot arms and a slide which is guided in a channel-shaped mounting plate that has slide-guiding walls.
- a pivot arm is arranged at the mounting plate and movable outside of the guide walls.
- One object of the present invention is to provide an improved suspension device for reversible windows. Another object of the invention is to provide such a suspension device which will enable such a suspension device to include pivot arms that can be given a high degree of stiffness and width in relation to the cross-sectional dimensions of the frame.
- the suspension device includes at least two pivot arms, a guide and a slide, wherein said pivot arms can be pivotally affixed to a frame for movement in respective movement planes that are mutually parallel and perpendicular to a rotational axis for a window sash which can be affixed pivotally to the frame by means of said pivot arms and which slide is fixable to the sash and arranged to be displaceably received by the guide arranged at the frame.
- the guide comprises an open channel which accommodates the movement plane of at least one of the pivot arms such as to allow the insertion of at least a part of the at least one pivot arm into the channel.
- the open guiding channel or the track is disposed inwardly of the window sash instead of at one side thereof as in the case of known suspension devices. Since the channel is disposed in the plane in which at least one of the pivot arms moves it is possible for this pivot arm to move into the said channel, for instance when the window is moved to a closed position.
- the pivot arms are disposed between the outwardly facing surface of the frame and the sash abutment surface disposed inwardly of said outermost surface, i.e. within the so-called ledge depth. This means that the combined width of the guide arms in the movement direction, i.e. at right angles to the window plane, must be less than or equal to the ledge depth.
- part of at least one pivot arm is able to extend beyond the abutment surface and into the channel there is also afforded a greater degree of freedom in the choice of position at which the pivot point on the frame around which said pivot arm rotates. This results in a greater degree of freedom in the selection of a beneficial movement pattern for the pivot mechanism as a whole.
- the open channel is delimited by a guide wall which, in coaction with the slide, guides the movement of said slide.
- a guide wall which, in coaction with the slide, guides the movement of said slide. This enables the accommodation of a part of the pivot arm in the channel opening and, at the same time, provides slide guide means by abutment with the inner surface of the guide wall so as to prevent movement of the slide in an outward direction.
- the outwardly facing side of the guide wall is also able to coact with a corresponding part of the slide therewith preventing movement of the slide in an inward direction.
- the suspension device will also conveniently include a first fixating part by means of which the slide is fixated, and a second fixating part which is firmly fixable to the sash.
- the first and the second fixating parts are preferably arranged to provide releasable fixation of the first fixating part to the second fixating part when the sash is fixed to the frame by means of the pivot arms. This greatly facilitates mounting of the sash and the suspension device to the frame.
- the first fixating part will conveniently include a tongue and the second fixating part will include a rail into which the tongue can be snapped firmly by insertion of the tongue. This provides a simple and reliable construction with which the window can be readily fitted and readily dismantled.
- the suspension device probably includes a long arm and a short arm which can be fixed rotatably to the frame, and a sash arm which is rotatably fixed to the long arm and to the short arm and pivotally fixable to the sash, wherein at least a part of the short arm can be inserted into the open channel.
- the embodiment having three such pivot arms enables the achievement of a beneficial pattern of movement from the aspect of balance and power absorption aspect. Furthermore, this embodiment enables the short arm that takes-up the largest pressure forces to be made broader and therewith stiffer.
- the guide includes a profiled element which forms the open channel completely or partially and which can be fixed to the frame. This enables subsequent fitting of the entire suspension device to be readily achieved on an existing frame. Moreover, this embodiment requires no special configuration or adaptation to the frame in order to form the open channel.
- the guide is formed as an integral part of the frame. This enables exclusion of the separate profiled element, therewith further reducing the number of components required when fitting the window to the frame.
- the channel formed in the guide may alternatively be provided partially by a separate profiled element and partially by an integrated part of the frame, for instance by placing a profiled element in a groove milled in the frame or formed therein in some other way.
- the invention also relates to a window that includes such a suspension device, as defined in the accompanying claim 8.
- FIG. 1 illustrates solely one suspension device, although it will be understood that a reversible window is affixed to a frame by means of two mutually opposing suspension devices.
- the figures also show how a window that can be rotated about a horizontal axis is affixed to the frame by means of said suspension device. It will be understood, however, that the inventive suspension device can also be used to mount windows that can be reversed about a vertical axis.
- FIG. 1 illustrates a frame 10, a sash 20 and a suspension device 30 according to a first embodiment of the invention.
- the frame 10 includes an outwardly facing surface 11 which in the illustrated case lies in generally the same plane as the outer surface 21 of the sash when the window is closed. However, the outwardly facing surface of the frame may alternatively lie outside the outer surface of the sash.
- the frame also has an abutment surface 12 for the sash, which abutment surface is parallel with the outer surface 11 and disposed inwardly thereof.
- the suspension device 30 includes a frame plate 31 which is affixed to a side member of the frame 10.
- a first pivot arm, the so-called long arm 32 is pivotally mounted to an upper part of the frame plate 31.
- a second pivot arm, the short arm, 33 is pivotally affixed to a lower part of the frame plate 31.
- a third pivot arm, the sash arm 34 is pivotally affixed to the free ends of the respective long arm 32 and the short arm 33.
- the sash arm 34 includes a pin 35 (see figure 3a, 3b ) with which the sash 20 is pivotally affixed to the sash arm 34.
- the short arm 33 also includes a recess 33a in which the lower end of the long arm 32 is supportedly received when the window is closed.
- the long arm 32 and the short arm 33 are disposed in the same plane, which plane also constitutes the plane in which these pivot arms move.
- the sash arm 34 is arranged in a plane which constitutes the movement plane of the sash arm and which is parallel with and slightly offset laterally to the movement plane of the long arm 32 and the short arm 33.
- the movement plane of the pivot arms 32, 33, 34 is perpendicular to the pin 35 and to the axis of rotation of the sash.
- the suspension device 30 also includes a guide in the form of an open channel 40.
- the channel 40 is disposed straight inwardly of the long arm 32 and of the short arm 33, so that the movement plane of said arms will extend through the channel opening and is received in the channel 40.
- the channel 40 is formed by a profiled element 41 accommodated in a recess in the frame 10, said recess extending inwardly from the abutment surface 12.
- the profiled element 41 includes mutually opposing side walls 42, 43 and a guide wall 44 which extends to some extent from one side wall 43 in a direction towards the other side wall 42. This results in the formation of the opening of the channel 40 between the free end of the guide wall 44 and the side wall 42.
- the two side walls 42, 43 are mutually joined by a bottom wall 45 from which there projects a barbed fixing flange 46.
- the profiled element 41 is affixed to the frame 10 by inserting the fixating flange 46 into a fixating deepening of the recess in the frame, wherewith the barbs engage with the side walls of the fixating deepening. This enables the profiled element to be readily fitted, by simply pressing said element 41 into the recess and the fixating deepening in the frame.
- Figure 3a illustrates a somewhat differently formed open channel 40.
- This channel 40 is formed by a profiled element 41' together with the frame 10.
- the profiled element 41' is accommodated in a recess in the frame but lacks the side wall 42 shown in figure 3b .
- the channel 40' is formed by a side wall 43' and a frame surface that opposes a side wall 43', said opposing frame surface constituting a side delimiting surface of the recess.
- a hook-shaped guide wall 44' extends from the side wall 43' in a direction towards the side limiting surface of the recess, so as to define there between an opening of the channel 40'.
- the profiled element 41' includes a bottom wall 45' from which there extends a barbed fixating flange 46' which is received in a fixating deepening.
- the outwardly facing surface of the guide wall 44, 44' is located in the same plane as the frame abutment surface 12, so that the outer surface of the guide wall 44, 44' will constitute a part of the abutment surface for the sash.
- This outwardly facing surface of the profiled element's guide wall can then itself form the abutment surface for the sash. This obviates the requirement of working operations or other steps required in providing the frame with a recess for accommodating the profiled element.
- the profiled element can be omitted such that the open channel is formed instead as an integrated part of the frame.
- the suspension device 30 also includes a slide 50 which is guidedly received in the open channel 40.
- FIG 2 illustrates a position of the slide 50 and the position of the pivot arms, 32, 33, and 34 of the suspension device which would not normally be assumed when a sash is mounted to a frame by means of the suspension device.
- the slide 50 includes a hooked end 51 which is guidedly supported by both the outside and the inside of the guide wall 44 of the profiled element. The end 51 of the slide thus extends through the channel opening and can be guided for displacement in the longitudinal direction of the channel 40.
- the slide 50 is guided laterally by abutment with the side wall 42 and the side wall 43 and/or the free end of the guide wall 44.
- the slide is guided laterally primarily as a result of engagement-coaction between the hooked parts of the guide wall 44' and the end 51 of the slide.
- the slide 50 also includes a flat part 52 which is rotatably connected to a first fixating part 53.
- the first fixating part 53 includes a tongue which can be snapped securely into a second fixating part 54 which has the form of a rail that is screwed firmly to the sash 20.
- first fit the sash and its pivot arms 32, 33, 34 Prior to joining together the first fixating part 53 and the second fixating part 54 the end part 51 of the slide can be inserted separately or rotated into the open channel 40. The first fixating part 53 and the second fixating part 54 can then readily be joined together so as to fixate the position of the slide relative to the sash. This greatly facilitates fitting of the device since only the released first fixating part 53 need be rotated into the open channel.
- part of the short arm is moved into and received by the open channel 40 when the window is moved to a closed position and to a reversed position. This enables the width of the short arm 33 to be widened parallel with the movement plane of the short arm without increasing the ledge depth of the frame.
- the suspension means may also be used for windows that are pivotal about a vertical axis.
- the pivot arms and the guide including the open channel may, instead, be disposed in the horizontal upper and lower members of the frame.
- the channel may also be disposed in both side members and upper and lower members irrespective of whether the sash is pivotal about a vertical axis or a horizontal axis.
- the frames can be produced identically with a peripherally or circumferentially open channel irrespective of whether the frames will later be used for fitting windows that are pivotal around a vertical or around a horizontal axis.
- the frames and the sashes with which the suspension device is used may be produced from a number of different materials, such as wood, metal or plastic materials, and from combinations of these and other materials.
- the pivot arms may be fixed directly to the frame.
- the number of pivot arms may also be varied and may include more or fewer than the three arms illustrated in the above examples. If considered desirable, it is possible to insert more pivotal arms than the short arm into the open channel when the window is moved to a closed position or to some other position. This also enables said arms to be made wider and therewith stiffer than would otherwise be possible.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Description
- The present invention relates to a suspension device for reversible windows. The invention also relates to a window that includes such a window mounting device.
- Reversible windows are widely used in dwellings and in public buildings. In addition to enabling these windows to be opened for weathering purposes the frames of such windows can also be rotated through an angle in the proximity of 180° either about a vertical or a horizontal axis so as to turn the outwards side of the window inwards. This enables, among other things, the outer surface of the window to be turned so that a person standing inwardly of the window can readily clean the window glass.
- In one type of reversible window, the upper or the lower end of the window sash is guided for vertical movement in vertical channels disposed in the side members of the window frame. The window sash is secured to the side members of the window frame by means of two hinge mechanisms or fittings and can be rotated about a horizontal axis defined by axle pins on the hinge mechanisms. Displacement of the vertically displaceable end of the sash upwards or downwards will be corresponded by the other end of the sash simultaneously moving outwards as the sash is rotated about the horizontal axis. In another type of reversible window, one side of the sash is guided for displacement in horizontal channels disposed in the upper and the lower frame members, so as to enable reversible rotation about a vertical axis.
- In the case of windows of this nature, dimensioning of the frame, the sash and also of the fittings are of great importance. At the same time as these components must have sufficient rigidity and mechanical strength for their allotted purposes, it is desirable that they will have the smallest possible dimensions. One factor of particular importance is the so-called ledge depth that constitutes the distance between the outermost surface of the frame and the outwardly facing surface disposed inwardly of this surface, facing towards the sash and in sealing abutment with the sash when the window is closed. This latter surface is normally referred to as the sash abutment or stop surface. In order to be able to keep the cross-sectional area of the frame members, and then particularly the cross-sectional depth as small as possible, it is desirable to minimize the ledge depth.
- In order to keep handling simple, it is also desirable that the hinge mechanism and the sash are well balanced, so that as little work as possible is required to rotate the sash through 180° and then back again.
- The hinge mechanism should also be able to be fitted readily to standard frames and sashes without requiring special modification thereof. It is of course greatly important that the hinge mechanisms are strong and reliable. It is also of particular importance that the gap between the frame and the sash can be kept as small as possible also in the presence of the intermediate hinge mechanism in place. For reasons of manufacturing economy with regard to the hinge mechanism and also with regard to the fitted window it is desirable that one and the same type and size of hinge mechanism can be used in the manufacture of windows whose sizes vary within the widest possible limits.
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EP 0 542 050 A1 describes a window fitting where the upper or lower end of the sash is guided displaceably along the frame and can be turned through 180° about a horizontal axis. The fitting includes a hinge mechanism which is attached to a side member of the frame by means of a frame plate. The hinge mechanism includes a first and a second pivot arm that each has a first end which is pivotally attached to the frame plate and a third pivot arm which is pivotally attached in the proximity of a first end to the second ends of the first and second pivot arms. The third pivot arm also includes a shaft pivot that defines the rotational axis of the sash and that is placed at the second end of the third pivot arm. - At the fitting described in
EP 0 542 050 A1 the upper end of the sash is guided by a pin which projects outwardly from the sash and which is guided in a vertical groove disposed in the frame plate, the opening of which groove faces towards the opposing side member of the frame. -
GB 2 074 227 A - One object of the present invention is to provide an improved suspension device for reversible windows. Another object of the invention is to provide such a suspension device which will enable such a suspension device to include pivot arms that can be given a high degree of stiffness and width in relation to the cross-sectional dimensions of the frame.
- These and other objects of the invention are achieved with a suspension device of the kind defined in the preamble of claim 1 and having the special technical features defined in the characterizing clause of said claim.
- The suspension device includes at least two pivot arms, a guide and a slide, wherein said pivot arms can be pivotally affixed to a frame for movement in respective movement planes that are mutually parallel and perpendicular to a rotational axis for a window sash which can be affixed pivotally to the frame by means of said pivot arms and which slide is fixable to the sash and arranged to be displaceably received by the guide arranged at the frame. According to the invention the guide comprises an open channel which accommodates the movement plane of at least one of the pivot arms such as to allow the insertion of at least a part of the at least one pivot arm into the channel. Thus, according to the present invention, the open guiding channel or the track is disposed inwardly of the window sash instead of at one side thereof as in the case of known suspension devices. Since the channel is disposed in the plane in which at least one of the pivot arms moves it is possible for this pivot arm to move into the said channel, for instance when the window is moved to a closed position. In the case of earlier known suspension devices the pivot arms are disposed between the outwardly facing surface of the frame and the sash abutment surface disposed inwardly of said outermost surface, i.e. within the so-called ledge depth. This means that the combined width of the guide arms in the movement direction, i.e. at right angles to the window plane, must be less than or equal to the ledge depth. This places a limitation with respect to the width and therewith to the stiffness of the guide arms for each given maximum thickness at right angles to the window plane of the frame. Correspondingly, each increase in the combined width of the guide arms requires a corresponding increase in the thickness of the frame. This limitation is avoided or reduced by means of the inventive suspension device since a part of at least one guide arm can be accommodated by the track and therewith pass by the abutment surface in an inward direction. The suspension device is therewith given a larger degree of freedom with respect to width, and therewith with respect to the rigidity and mechanical strength of the pivot arms than what has been possible hitherto.
- Because part of at least one pivot arm is able to extend beyond the abutment surface and into the channel there is also afforded a greater degree of freedom in the choice of position at which the pivot point on the frame around which said pivot arm rotates. This results in a greater degree of freedom in the selection of a beneficial movement pattern for the pivot mechanism as a whole.
- The open channel is delimited by a guide wall which, in coaction with the slide, guides the movement of said slide. This enables the accommodation of a part of the pivot arm in the channel opening and, at the same time, provides slide guide means by abutment with the inner surface of the guide wall so as to prevent movement of the slide in an outward direction. The outwardly facing side of the guide wall is also able to coact with a corresponding part of the slide therewith preventing movement of the slide in an inward direction.
- The suspension device will also conveniently include a first fixating part by means of which the slide is fixated, and a second fixating part which is firmly fixable to the sash. The first and the second fixating parts are preferably arranged to provide releasable fixation of the first fixating part to the second fixating part when the sash is fixed to the frame by means of the pivot arms. This greatly facilitates mounting of the sash and the suspension device to the frame. The first fixating part will conveniently include a tongue and the second fixating part will include a rail into which the tongue can be snapped firmly by insertion of the tongue. This provides a simple and reliable construction with which the window can be readily fitted and readily dismantled.
- The suspension device probably includes a long arm and a short arm which can be fixed rotatably to the frame, and a sash arm which is rotatably fixed to the long arm and to the short arm and pivotally fixable to the sash, wherein at least a part of the short arm can be inserted into the open channel. The embodiment having three such pivot arms enables the achievement of a beneficial pattern of movement from the aspect of balance and power absorption aspect. Furthermore, this embodiment enables the short arm that takes-up the largest pressure forces to be made broader and therewith stiffer.
- The guide includes a profiled element which forms the open channel completely or partially and which can be fixed to the frame. This enables subsequent fitting of the entire suspension device to be readily achieved on an existing frame. Moreover, this embodiment requires no special configuration or adaptation to the frame in order to form the open channel.
- According to another embodiment of the invention the guide is formed as an integral part of the frame. This enables exclusion of the separate profiled element, therewith further reducing the number of components required when fitting the window to the frame.
- The channel formed in the guide may alternatively be provided partially by a separate profiled element and partially by an integrated part of the frame, for instance by placing a profiled element in a groove milled in the frame or formed therein in some other way.
- The invention also relates to a window that includes such a suspension device, as defined in the accompanying claim 8.
- Further objects relating to and benefits afforded by the present invention will be apparent from the following detailed description of examples of embodiments of the invention and from the following claims.
- There will now be described by way of example an embodiment of the invention with reference to the figures of the accompanying drawings, wherein
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Figure 1 is a longitudinally sectioned view of a frame, a window sash and a suspension device according to one embodiment of the invention. -
Figure 2 is an enlarged view in perspective in which certain parts of the frame shown infigure 1 have been removed and shows the suspension device in a different position. -
Figures 2a and 2b are cross-sectional views of the frame and of a part of a suspension device according to two somewhat different embodiments of the invention. -
Figures 3a and 3b are perspective views which illustrate mounting of a part of the suspension device in accordance with the invention, wherewithfigure 3a illustrates a part of the sash andfigure 3b also illustrates part of the frame. - The figures of the accompanying drawings illustrate different parts and embodiments of a suspension device according to the present invention. Each figure illustrates solely one suspension device, although it will be understood that a reversible window is affixed to a frame by means of two mutually opposing suspension devices. The figures also show how a window that can be rotated about a horizontal axis is affixed to the frame by means of said suspension device. It will be understood, however, that the inventive suspension device can also be used to mount windows that can be reversed about a vertical axis.
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Figure 1 illustrates aframe 10, asash 20 and asuspension device 30 according to a first embodiment of the invention. Theframe 10 includes an outwardly facingsurface 11 which in the illustrated case lies in generally the same plane as theouter surface 21 of the sash when the window is closed. However, the outwardly facing surface of the frame may alternatively lie outside the outer surface of the sash. The frame also has anabutment surface 12 for the sash, which abutment surface is parallel with theouter surface 11 and disposed inwardly thereof. - The
suspension device 30 includes aframe plate 31 which is affixed to a side member of theframe 10. A first pivot arm, the so-calledlong arm 32 is pivotally mounted to an upper part of theframe plate 31. A second pivot arm, the short arm, 33 is pivotally affixed to a lower part of theframe plate 31. A third pivot arm, thesash arm 34 is pivotally affixed to the free ends of the respectivelong arm 32 and theshort arm 33. Thesash arm 34 includes a pin 35 (seefigure 3a, 3b ) with which thesash 20 is pivotally affixed to thesash arm 34. Theshort arm 33 also includes arecess 33a in which the lower end of thelong arm 32 is supportedly received when the window is closed. This counteracts the tendencies of the pivot arms to rotate inwards during initial movement of the window as it is opened from a closed position. Thelong arm 32 and theshort arm 33 are disposed in the same plane, which plane also constitutes the plane in which these pivot arms move. Thesash arm 34 is arranged in a plane which constitutes the movement plane of the sash arm and which is parallel with and slightly offset laterally to the movement plane of thelong arm 32 and theshort arm 33. The movement plane of thepivot arms pin 35 and to the axis of rotation of the sash. - The
suspension device 30 also includes a guide in the form of anopen channel 40. Thechannel 40 is disposed straight inwardly of thelong arm 32 and of theshort arm 33, so that the movement plane of said arms will extend through the channel opening and is received in thechannel 40. - In the case of the embodiments illustrated in
figure 2 and infigure 3b , thechannel 40 is formed by a profiledelement 41 accommodated in a recess in theframe 10, said recess extending inwardly from theabutment surface 12. The profiledelement 41 includes mutually opposingside walls guide wall 44 which extends to some extent from oneside wall 43 in a direction towards theother side wall 42. This results in the formation of the opening of thechannel 40 between the free end of theguide wall 44 and theside wall 42. The twoside walls bottom wall 45 from which there projects abarbed fixing flange 46. The profiledelement 41 is affixed to theframe 10 by inserting the fixatingflange 46 into a fixating deepening of the recess in the frame, wherewith the barbs engage with the side walls of the fixating deepening. This enables the profiled element to be readily fitted, by simply pressing saidelement 41 into the recess and the fixating deepening in the frame. -
Figure 3a illustrates a somewhat differently formedopen channel 40. Thischannel 40 is formed by a profiled element 41' together with theframe 10. The profiled element 41' is accommodated in a recess in the frame but lacks theside wall 42 shown infigure 3b . Instead, the channel 40' is formed by a side wall 43' and a frame surface that opposes a side wall 43', said opposing frame surface constituting a side delimiting surface of the recess. A hook-shaped guide wall 44' extends from the side wall 43' in a direction towards the side limiting surface of the recess, so as to define there between an opening of the channel 40'. Similar to the profiledelement 41, the profiled element 41' includes a bottom wall 45' from which there extends a barbed fixating flange 46' which is received in a fixating deepening. - In both of the examples illustrated in
figures 3a and 3b , the outwardly facing surface of theguide wall 44, 44' is located in the same plane as theframe abutment surface 12, so that the outer surface of theguide wall 44, 44' will constitute a part of the abutment surface for the sash. According to one embodiment not shown, it is also possible to arrange the profiled element on an outwardly facing flat surface of the frame, instead of in a recess. This outwardly facing surface of the profiled element's guide wall can then itself form the abutment surface for the sash. This obviates the requirement of working operations or other steps required in providing the frame with a recess for accommodating the profiled element. However, the profiled element can be omitted such that the open channel is formed instead as an integrated part of the frame. - As will best be seen from
figure 2 , thesuspension device 30 also includes aslide 50 which is guidedly received in theopen channel 40. For the sake of clarityfigure 2 illustrates a position of theslide 50 and the position of the pivot arms, 32, 33, and 34 of the suspension device which would not normally be assumed when a sash is mounted to a frame by means of the suspension device. Theslide 50 includes ahooked end 51 which is guidedly supported by both the outside and the inside of theguide wall 44 of the profiled element. Theend 51 of the slide thus extends through the channel opening and can be guided for displacement in the longitudinal direction of thechannel 40. In the case of the example illustrated infigures 2 and3b theslide 50 is guided laterally by abutment with theside wall 42 and theside wall 43 and/or the free end of theguide wall 44. In the case illustrated in example 3a, the slide is guided laterally primarily as a result of engagement-coaction between the hooked parts of the guide wall 44' and theend 51 of the slide. Theslide 50 also includes aflat part 52 which is rotatably connected to a first fixatingpart 53. As will best be seen fromfigures 4a and 4b , the first fixatingpart 53 includes a tongue which can be snapped securely into asecond fixating part 54 which has the form of a rail that is screwed firmly to thesash 20. When fitting thesash 20 to theframe 10 it is hereby possible to first fit the sash and itspivot arms part 53 and the second fixatingpart 54 theend part 51 of the slide can be inserted separately or rotated into theopen channel 40. The first fixatingpart 53 and the second fixatingpart 54 can then readily be joined together so as to fixate the position of the slide relative to the sash. This greatly facilitates fitting of the device since only the released first fixatingpart 53 need be rotated into the open channel. - As will best be seen from
figures 1 and2 , part of the short arm is moved into and received by theopen channel 40 when the window is moved to a closed position and to a reversed position. This enables the width of theshort arm 33 to be widened parallel with the movement plane of the short arm without increasing the ledge depth of the frame. - Although the suspension device has been described above with reference to exemplifying embodiments, it will be understood that the invention is not restricted to these embodiments and that variations are possible within the framework of the subsequent claims. For instance, the suspension means may also be used for windows that are pivotal about a vertical axis. In such instances, the pivot arms and the guide including the open channel may, instead, be disposed in the horizontal upper and lower members of the frame. As indicated in
figure 1 , the channel may also be disposed in both side members and upper and lower members irrespective of whether the sash is pivotal about a vertical axis or a horizontal axis. This affords a particularly significant benefit, since the frames can be produced identically with a peripherally or circumferentially open channel irrespective of whether the frames will later be used for fitting windows that are pivotal around a vertical or around a horizontal axis. The frames and the sashes with which the suspension device is used may be produced from a number of different materials, such as wood, metal or plastic materials, and from combinations of these and other materials. Instead of being affixed to the frame by means of a frame plate, the pivot arms may be fixed directly to the frame. The number of pivot arms may also be varied and may include more or fewer than the three arms illustrated in the above examples. If considered desirable, it is possible to insert more pivotal arms than the short arm into the open channel when the window is moved to a closed position or to some other position. This also enables said arms to be made wider and therewith stiffer than would otherwise be possible.
Claims (6)
- A reversible window suspension device comprising at least two pivot arms (32, 33, 34), a slide (50)and a guide which includes an open channel (40) formed of a profiled element (41) that can de affixed to a frame (10), which profiled element includes two mutually opposing side walls (42, 43), wherein said pivot arms can be pivotally fixed to the frame (10) for movement in respective movement planes that are mutually parallel and perpendicular to a rotational axis for a window sash (20), which by means of the pivot arms is rotatably fixable to the frame and wherein the slide is fixable to the sash and arranged to be displaceably received by the guide arranged at the frame,
characterized in that the open channel (40) accommodates the movement plane of at least one of the pivot arms (33) and is delimited by a guide wall (44) which extends to some extent from a first (43) of said side walls towards a second (42) of said side walls, thereby forming an opening of the open channel (40), between the free end of the guide wall (44) and the second side wall, which guide wall (44), in coaction with the slide (50), guides movement of said slide (50), wherein the channel (40) and said pivot arm (33) are adapted to permit the insertion of at least a part of said pivot arm (33) into the channel (40) through said opening, past the guide wall (44). - A suspension device according to claim 1, comprising a first fixating part (53) to which the slide (50) is fixed, and a second fixating part (54) which can be fixed firmly to the sash (20), which first and second fixating parts are adapted to permit releasable fixation of the first fixating part to the second fixating part when the sash is affixed to the frame (10) by means of the pivot arms (32, 33, 34).
- A suspension device according to claim 2, wherein the first fixating part (53) comprises a tongue and the second fixating part (54) comprises a rail to which the tongue can be snap-fitted by insertion of the tongue into the rail.
- A suspension device according to any one of claims 1-3, comprising a long arm (32) and a short arm (33) which can be mounted rotatably to the frame (10), and a sash arm (34) which is pivotally fitted to the long arm and to the short arm and can be mounted rotatably to the sash (20), wherein at least a part of the short arm can be inserted into the open channel (40, 40').
- A suspension device according to claim 1, wherein the guide is formed as an integrated part of the frame.
- A window comprising a frame (10) and a sash (20) and a suspension device (30) according to any one of claims 1-5.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15164261T PL2940238T3 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with profiled element |
DK15164265.9T DK2942464T3 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible (reversible) window with frame-integrated profile element |
PL15164265T PL2942464T3 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with frame integrated profiled element |
PL08445012T PL1975356T3 (en) | 2007-03-30 | 2008-03-12 | Support arrangement for windows |
DK15164261.8T DK2940238T3 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible (reversible) window with profile element. |
EP15164261.8A EP2940238B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with profiled element |
EP15164265.9A EP2942464B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with frame integrated profiled element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0700804 | 2007-03-30 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15164261.8A Division EP2940238B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with profiled element |
EP15164265.9A Division EP2942464B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with frame integrated profiled element |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1975356A2 EP1975356A2 (en) | 2008-10-01 |
EP1975356A3 EP1975356A3 (en) | 2013-09-04 |
EP1975356B1 true EP1975356B1 (en) | 2015-04-22 |
Family
ID=39535236
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15164261.8A Active EP2940238B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with profiled element |
EP20080445012 Active EP1975356B1 (en) | 2007-03-30 | 2008-03-12 | Support arrangement for windows |
EP15164265.9A Active EP2942464B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with frame integrated profiled element |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15164261.8A Active EP2940238B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with profiled element |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15164265.9A Active EP2942464B1 (en) | 2007-03-30 | 2008-03-12 | Suspension device for reversible window with frame integrated profiled element |
Country Status (4)
Country | Link |
---|---|
EP (3) | EP2940238B1 (en) |
DK (3) | DK2940238T3 (en) |
LT (2) | LT2942464T (en) |
PL (3) | PL2940238T3 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2074227B (en) | 1980-04-18 | 1984-02-22 | Interlock Ind Ltd | Window or the like stays |
NO178043B (en) | 1991-11-11 | 1995-10-02 | Ernst Lahmann | Fittings for blades in windows or the like, which are tiltable or rotatable 180 |
-
2008
- 2008-03-12 DK DK15164261.8T patent/DK2940238T3/en active
- 2008-03-12 PL PL15164261T patent/PL2940238T3/en unknown
- 2008-03-12 EP EP15164261.8A patent/EP2940238B1/en active Active
- 2008-03-12 LT LTEP15164265.9T patent/LT2942464T/en unknown
- 2008-03-12 DK DK08445012.1T patent/DK1975356T3/en active
- 2008-03-12 EP EP20080445012 patent/EP1975356B1/en active Active
- 2008-03-12 PL PL15164265T patent/PL2942464T3/en unknown
- 2008-03-12 EP EP15164265.9A patent/EP2942464B1/en active Active
- 2008-03-12 LT LTEP15164261.8T patent/LT2940238T/en unknown
- 2008-03-12 DK DK15164265.9T patent/DK2942464T3/en active
- 2008-03-12 PL PL08445012T patent/PL1975356T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1975356A3 (en) | 2013-09-04 |
DK2942464T3 (en) | 2017-07-31 |
EP2940238A1 (en) | 2015-11-04 |
LT2940238T (en) | 2017-10-10 |
DK2940238T3 (en) | 2017-07-31 |
EP1975356A2 (en) | 2008-10-01 |
EP2942464A1 (en) | 2015-11-11 |
EP2942464B1 (en) | 2017-04-19 |
PL2942464T3 (en) | 2017-12-29 |
LT2942464T (en) | 2017-10-10 |
PL2940238T3 (en) | 2017-12-29 |
DK1975356T3 (en) | 2015-07-20 |
PL1975356T3 (en) | 2015-10-30 |
EP2940238B1 (en) | 2017-04-19 |
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