EP0443303B1 - Position brake for sliding doors - Google Patents
Position brake for sliding doors Download PDFInfo
- Publication number
- EP0443303B1 EP0443303B1 EP90850417A EP90850417A EP0443303B1 EP 0443303 B1 EP0443303 B1 EP 0443303B1 EP 90850417 A EP90850417 A EP 90850417A EP 90850417 A EP90850417 A EP 90850417A EP 0443303 B1 EP0443303 B1 EP 0443303B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guiding profile
- sliding door
- door
- web
- profile
- 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.)
- Expired - Lifetime
Links
- 230000001419 dependent effect Effects 0.000 claims description 5
- 230000000063 preceeding effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007257 malfunction Effects 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
- 239000012858 resilient material Substances 0.000 description 1
- 230000000284 resting effect Effects 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
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/066—Details, e.g. suspension or supporting guides for wings supported at the bottom
- E05D15/0691—Top guides
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/04—Fasteners specially adapted for holding sliding wings open
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/47—Springs
- E05Y2201/48—Leaf or leg springs
-
- 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
- E05Y2800/75—Specific positions intermediate
-
- 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
- E05Y2900/132—Doors
Definitions
- the present invention relates to a sliding door system with a braking device, and more specifically to such a brake that can be placed optionally anywhere along the path of movement of the door, and can also be placed at several locations along this path.
- German Gebrauchsmuster 84 05 712.2 discloses a device for fixing folding doors in open position. It comprises a locking element consisting of a claw-like member with a dove-tail arrangement for receiving an axle neck provided on the sliding door, whereby the door is locked in its open position. Thus it addresses a technical problem different from the problem the present invention sets out to solve.
- US-patent 4,183,179 discloses a sliding door for a railway passenger car compartment.
- the door is dependingly arranged to run by means of rollers in a channel provided in the roof of the car. It comprises a deflectable curved leaf-type spring member provided within said channel to retard abrupt movement of the roller members and thus the door.
- the spring member is provided above the top part of the sliding door.
- German Gebrauchsmuster 86 01 328.9 discloses a braking device for sliding doors.
- the door runs on rollers provided at the bottom of the door.
- the door is further provided with a guiding element running in a guiding recess in the floor.
- This latter device suffers from the previously mentioned disadvantage of having a tendency to collect dust and particles, potentially causing malfunction.
- Sliding doors are usually arranged so that the door is provided with wheels or rollers moving along a rail on, or in the floor. Upwardly, the door is supported by a profile, generally having a downwardly open U-shape, the door being provided with laterally directed rollers engaging against the legs of the profile.
- a basic desire with sliding doors is that they shall stop in their extreme positions, i.e. when a door is in its fully open and its fully closed positions, and not leave these positions until acted on by a force. It is also sometimes desirable that the door can be kept in one or more intermediate positions.
- position brakes are at present arranged in connection with the floor rail carrying the door.
- these brakes cause up and down movement of the door when they comprise elements arranged on the rail itself.
- these brakes either loose their function or become unsuitably hard to operate, due to hard particles and dust getting into them when the brake is arranged in connection with the rail carrying the door.
- the position brake it is also customary for the position brake to consist of depressions in the rail, particularly at the extreme positions of the door. There is no possibility of adjusting such a brake, and it cannot be moved to other positions. Neither can it be caused to come into operation temporarily, except with difficulty.
- the present invention has the subject of removing the above-mentioned problems. This is achieved by a sliding door as defined in claim 1, from which the features particularly characterizing the invention are also apparent.
- a brake spring 1 intended for use in a position brake for sliding doors.
- the spring is made from metal sheet, plastics or other resilient material that may be given the illustrated shape.
- the brake spring accordingly comprises an angularly bent portion 2 with substantially a right angle between its flange 3 and its web 4. Further, the flange 3 is provided with two through-holes 5 for fastening means for the mounting of the spring.
- the web 4 is intended to be supported by a member behind it, as will be described later on. From the web 4 a resilient leaf part 6 extends outwardly, substantially in the direction of the fold line 7 between the flange 3 and web 4. The leaf part 6 is angled somewhat outwards from the web 4 to the same side as the one having the flange 3. The free end of the leaf part 6 is rounded off by bending it backwards, for reasons which will be explained later on.
- Fig. 2 is a cross section through a sliding door 10, which at its lower edge is provided with wheels 11 in a multiplicity appropriate to the size of the door.
- the wheel 11 is mounted for rotation in a not more closely illustrated profile 12, and has a circumferential groove 13 of a suitably rounded shape.
- This wheel 11 runs along a rail 14 the shape of which is complementary to the groove 13 of the wheel 11.
- the rail 14 constitutes a part of a profile 15 resting on a substructure, preferably a floor.
- the profile 15 may be likened to a threshold or door sill.
- the sliding door 10 moves in a substantially U-shaped guiding profile 16, which is downwardly open.
- a substantially U-shaped guiding profile 16 which is downwardly open.
- rollers 17, 18 rotatably mounted on a profile 19 arranged along the upper edge of the door.
- the rollers 17, 18 are preferably arranged in pairs, and in a multiplicity suited to the individual door. The circumferences of these wheels project slightly outside the profile 19 into light engagement against the insides of the dependent legs 20, 21 of the profile guiding 16.
- the upper U-shaped profile 16 has along its entire length a recess 24, into which screws 25 can be screwed anywhere along it.
- the recess 24 is at a distance from the adjacent leg 20 corresponding to the distance from the centres of the holes 5 to the folding line 7 of the spring 1. It is thus possible to arrange any number of position brakes in optional positions along the U-shaped guiding profile 16 with the aid of the spring 1 and a pair of screws 25.
- a position brake situated such as to brake or retain the door 10 in an intermediate position along its path.
- the position brake comprises two springs 1 in mirrored relationship with the leaf portions 6 mutually opposed, and with a small distance between their free, backwardly bent ends.
- the leaf portions 6 thrust resiliently into the path of the roller 17, and when the door is moved the roller first presses away the leaf portion 6 against its sloping surface, thus braking the door 10.
- the roller 17 is located between the backwardly bent ends 8
- the backwardly bent end 8 hit by the wheel gives a relatively hard braking action simultaneously as the behind located leaf portion 6 springs outwardly, and its end bent backwards gives a braking action against returning of the door 10.
- a certain force must be applied to it to overcome the retaining force of the respective brake spring 1.
- the invention has been described here in an embodiment where the position brake is placed in the upper U-shaped profile 16, which is to be preferred, since it is then concealed and does not collect dust and dirt that could disturb its operation.
- the braking action on the door is in the lateral direction, and thus there are no notable disturbing movements of the door when the door is thrust past a position brake intended as a stop in the opposite direction of travel. Brakes acting in the vertical direction of the sliding door often cause troublesome movements of the door, as well as a bumping noise.
- low-friction plastic pads could be used, and arranged such that they slide against the dependent legs of the U-shaped profile 16.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Support Devices For Sliding Doors (AREA)
Description
- The present invention relates to a sliding door system with a braking device, and more specifically to such a brake that can be placed optionally anywhere along the path of movement of the door, and can also be placed at several locations along this path.
- German Gebrauchsmuster 84 05 712.2 discloses a device for fixing folding doors in open position. It comprises a locking element consisting of a claw-like member with a dove-tail arrangement for receiving an axle neck provided on the sliding door, whereby the door is locked in its open position. Thus it adresses a technical problem different from the problem the present invention sets out to solve.
- US-patent 4,183,179 discloses a sliding door for a railway passenger car compartment. The door is dependingly arranged to run by means of rollers in a channel provided in the roof of the car. It comprises a deflectable curved leaf-type spring member provided within said channel to retard abrupt movement of the roller members and thus the door. The spring member is provided above the top part of the sliding door.
- German Gebrauchsmuster 86 01 328.9 discloses a braking device for sliding doors. The door runs on rollers provided at the bottom of the door. The door is further provided with a guiding element running in a guiding recess in the floor. There is also provided in said recess a stepped spring, causing the sliding door to be braked when the guiding element encounters the spring during sliding. This latter device suffers from the previously mentioned disadvantage of having a tendency to collect dust and particles, potentially causing malfunction.
- Sliding doors are usually arranged so that the door is provided with wheels or rollers moving along a rail on, or in the floor. Upwardly, the door is supported by a profile, generally having a downwardly open U-shape, the door being provided with laterally directed rollers engaging against the legs of the profile.
- A basic desire with sliding doors is that they shall stop in their extreme positions, i.e. when a door is in its fully open and its fully closed positions, and not leave these positions until acted on by a force. It is also sometimes desirable that the door can be kept in one or more intermediate positions.
- In order to achieve these different stopping positions, position brakes are at present arranged in connection with the floor rail carrying the door. However, these brakes cause up and down movement of the door when they comprise elements arranged on the rail itself. There is also considerable risk that these brakes either loose their function or become unsuitably hard to operate, due to hard particles and dust getting into them when the brake is arranged in connection with the rail carrying the door. It is also customary for the position brake to consist of depressions in the rail, particularly at the extreme positions of the door. There is no possibility of adjusting such a brake, and it cannot be moved to other positions. Neither can it be caused to come into operation temporarily, except with difficulty.
- The present invention has the subject of removing the above-mentioned problems. This is achieved by a sliding door as defined in
claim 1, from which the features particularly characterizing the invention are also apparent. - The invention will now be described in more detail and in connection with the accompanying drawings, in which
- FIG. 1
- comprises two perspective views of a leaf spring included in a position brake according to the invention,
- FIG. 2
- is a schematic, partially broken cross section of a sliding door provided with an inventive position brake, and
- FIG. 3
- is a partial section taken along the line III-III in Fig. 2.
- In Fig. 1 there is illustrated a
brake spring 1, intended for use in a position brake for sliding doors. The spring is made from metal sheet, plastics or other resilient material that may be given the illustrated shape. The brake spring accordingly comprises an angularlybent portion 2 with substantially a right angle between itsflange 3 and itsweb 4. Further, theflange 3 is provided with two through-holes 5 for fastening means for the mounting of the spring. Theweb 4 is intended to be supported by a member behind it, as will be described later on. From the web 4 aresilient leaf part 6 extends outwardly, substantially in the direction of the fold line 7 between theflange 3 andweb 4. Theleaf part 6 is angled somewhat outwards from theweb 4 to the same side as the one having theflange 3. The free end of theleaf part 6 is rounded off by bending it backwards, for reasons which will be explained later on. - Fig. 2 is a cross section through a sliding
door 10, which at its lower edge is provided withwheels 11 in a multiplicity appropriate to the size of the door. Thewheel 11 is mounted for rotation in a not more closely illustratedprofile 12, and has acircumferential groove 13 of a suitably rounded shape. Thiswheel 11 runs along arail 14 the shape of which is complementary to thegroove 13 of thewheel 11. In turn, therail 14 constitutes a part of aprofile 15 resting on a substructure, preferably a floor. In this case theprofile 15 may be likened to a threshold or door sill. With the described configuration there is obtained a reliable guidance of the slidingdoor 10, and an easy motion of it. It is also easy to keep clean round therail 14, and thus avoid operational disturbances due to the collection of dust and dirt around and on the rail. - At its upper end the sliding
door 10 moves in a substantially U-shaped guidingprofile 16, which is downwardly open. To ensure that the door moves smoothly also in this U-profile, there are tworollers profile 19 arranged along the upper edge of the door. Therollers profile 19 into light engagement against the insides of thedependent legs - It is usual that there are at least two doors sliding mutually parallel, which requires doubling the guiding
profile 16 and the lower profile (15) which is indicated by the respective projectingportions profile 16 andprofile 15. In many cases two or more doors slide one after the other on thesame rail 14. It is important here that the respective sliding doors may be stopped in their envisaged positions and remain stationary, until a certain force is applied to them for moving them out of these positions into other such positions or completely optional positions where it is, however, not certain that they remain. - When a sliding door arrives at an end position it rebounds slightly, and if there is no brake the door has perhaps sufficient momentum to roll into a completely or partially open position. If the door moves as smoothly and easily as the one described here, it will be very irritating when the door hardly ever stops by itself in the position into which it has been pushed or pulled.
- As will be seen in Fig. 2, the upper U-shaped
profile 16 has along its entire length arecess 24, into whichscrews 25 can be screwed anywhere along it. Therecess 24 is at a distance from theadjacent leg 20 corresponding to the distance from the centres of theholes 5 to the folding line 7 of thespring 1. It is thus possible to arrange any number of position brakes in optional positions along the U-shaped guidingprofile 16 with the aid of thespring 1 and a pair ofscrews 25. - In Fig. 3 there is illustrated a position brake situated such as to brake or retain the
door 10 in an intermediate position along its path. Here the position brake comprises twosprings 1 in mirrored relationship with theleaf portions 6 mutually opposed, and with a small distance between their free, backwardly bent ends. Theleaf portions 6 thrust resiliently into the path of theroller 17, and when the door is moved the roller first presses away theleaf portion 6 against its sloping surface, thus braking thedoor 10. Thereafter, when theroller 17 is located between the backwardlybent ends 8, the backwardlybent end 8 hit by the wheel gives a relatively hard braking action simultaneously as the behind locatedleaf portion 6 springs outwardly, and its end bent backwards gives a braking action against returning of thedoor 10. When the door is to be moved away from the depicted position, a certain force must be applied to it to overcome the retaining force of therespective brake spring 1. - When the
door 10 arrives at an end position where there is a constructional stop preventing further movement of the door, it is sufficient with asingle brake spring 1, whereas two springs are required for each intermediate stopping position, as mentioned. - The invention has been described here in an embodiment where the position brake is placed in the upper
U-shaped profile 16, which is to be preferred, since it is then concealed and does not collect dust and dirt that could disturb its operation. The braking action on the door is in the lateral direction, and thus there are no notable disturbing movements of the door when the door is thrust past a position brake intended as a stop in the opposite direction of travel. Brakes acting in the vertical direction of the sliding door often cause troublesome movements of the door, as well as a bumping noise. Instead of therollers U-shaped profile 16. - With the aid of the present invention there has thus been achieved the object set forth in the introduction. One skilled in the art can of course modify the invention for different applications, but such modifications are intended to lie within the accompanying claims.
Claims (5)
- A sliding door system comprising
a downwardly open U-shaped guiding profile (16);
a sliding door (10) supported on wheels (13) at its lower end and extending at its top end into said guiding profile (16);
said sliding door being provided at its upper end with friction reducing means (17,18) running in said recesslike guiding profile (16); said friction reducing guide means (17, 18) being in contact with the insides of the dependent legs (20, 21) of the guiding profile (16); and
a braking device for braking said sliding door (10) and having a brake spring (1) comprising at least one resilient leaf portion (6) and a flanged portion (2) the latter having a flange (3) and a web (4) with a right angle between its flange (3) and its web (4), the flange (3) constituting a fastening portion, provided with at least one through-hole (5) for a fastening means, the resilient leaf portion (6) constituting an extension of the web (4) and forming an angle therewith;
characterized in that
said braking device is mounted in said guiding profile (16); and said U-shaped guiding profile (16) is provided with a recess (24) along its entire length on the central part of the guiding profile (16), for mounting at least one braking device at optional positions in said U-shaped guiding profile (16) at the top end of the sliding door (10) acting laterally on the sliding door (10). - The system as claimed in claim 1, wherein the friction reducing guide means (17, 18) are wheels or rollers.
- The system as claimed in claim 1 or 2, wherein said resilient leaf portion (6) is part of a member that is movably provided on said inner side wall of the said dependent leg (20).
- The system as claimed in any preceding claim, wherein the resilient leaf portion (6) has a free end (8) which is abruptly bent towards said inner side wall of the said dependent leg (20), and at a steeper angle than the said angle formed by the extension and the web (4).
- The system as claimed in any preceeding claim, wherein there are provided two oppositely arranged resilient leaf portions (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9000605A SE9000605L (en) | 1990-02-20 | 1990-02-20 | POSITION BRAKES FOR SLIDING DOORS |
SE9000605 | 1990-02-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0443303A1 EP0443303A1 (en) | 1991-08-28 |
EP0443303B1 true EP0443303B1 (en) | 1994-09-21 |
Family
ID=20378624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90850417A Expired - Lifetime EP0443303B1 (en) | 1990-02-20 | 1990-12-19 | Position brake for sliding doors |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0443303B1 (en) |
DE (1) | DE69012787T2 (en) |
DK (1) | DK0443303T3 (en) |
NO (1) | NO910273L (en) |
SE (1) | SE9000605L (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU687267B2 (en) * | 1994-11-17 | 1998-02-19 | Alchin & Long Group Pty Limited | A friction brake for a window spring balance |
NL1000209C2 (en) * | 1995-04-24 | 1996-10-25 | Markus Hermetische Deuren | Damping and positioning device for a sliding door. |
ATE373762T1 (en) * | 2003-07-03 | 2007-10-15 | Home Decor Holding Company | SLIDING DOOR |
DK2871312T3 (en) * | 2013-11-11 | 2017-06-06 | Roto Frank Ag | Sliding ventilation device for sliding door or window and sliding door or window |
CN107620537B (en) * | 2017-10-11 | 2019-09-24 | 武汉泽元科技有限公司 | A kind of mute automatic buffer pulley gear of outer-installed type |
CN107575113B (en) * | 2017-10-11 | 2019-05-28 | 武汉泽元科技有限公司 | A kind of mute automatic buffer pulley gear of embedded type |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166347A (en) * | 1961-10-30 | 1965-01-19 | Raleigh C Andrews | Lock for sliding windows |
US4183179A (en) * | 1978-05-03 | 1980-01-15 | Pullman Incorporated | Sliding door and door guide arrangement for a railway passenger car compartment |
DE8405712U1 (en) * | 1984-02-24 | 1985-07-25 | Josef Gartner & Co, 8883 Gundelfingen | Device for fixing the open position of folding doors |
DE8601328U1 (en) * | 1986-01-21 | 1986-03-06 | Paul Hettich GmbH & Co, 4983 Kirchlengern | Stop damper for sliding doors |
-
1990
- 1990-02-20 SE SE9000605A patent/SE9000605L/en unknown
- 1990-12-19 DE DE69012787T patent/DE69012787T2/en not_active Expired - Fee Related
- 1990-12-19 DK DK90850417.8T patent/DK0443303T3/en active
- 1990-12-19 EP EP90850417A patent/EP0443303B1/en not_active Expired - Lifetime
-
1991
- 1991-01-23 NO NO91910273A patent/NO910273L/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK0443303T3 (en) | 1995-02-20 |
DE69012787D1 (en) | 1994-10-27 |
EP0443303A1 (en) | 1991-08-28 |
SE9000605D0 (en) | 1990-02-20 |
NO910273D0 (en) | 1991-01-23 |
NO910273L (en) | 1991-08-21 |
SE9000605L (en) | 1991-08-21 |
DE69012787T2 (en) | 1995-05-11 |
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