WO2014077674A1 - Shock and rattle damper - Google Patents
Shock and rattle damper Download PDFInfo
- Publication number
- WO2014077674A1 WO2014077674A1 PCT/NL2012/050804 NL2012050804W WO2014077674A1 WO 2014077674 A1 WO2014077674 A1 WO 2014077674A1 NL 2012050804 W NL2012050804 W NL 2012050804W WO 2014077674 A1 WO2014077674 A1 WO 2014077674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stop element
- component
- spring
- movable component
- hole
- 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.)
- Ceased
Links
Classifications
-
- 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
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
-
- 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
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/47—Springs
- E05Y2201/488—Traction 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
- 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 invention relates to a device for absorbing a shock when a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, is closed against a fixed component such as a frame edge, and/or for preventing rattling that results from play between this closed fixed component and this movable component .
- a movable component for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer
- the device of the type stated in the preamble comprises according to the invention:
- a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component;
- the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
- An advantage of the device according to the invention is that it comprises only two components, i.e. the stop element and the spring means.
- the device according to the invention can hereby be manufactured simply and/or inexpensively.
- the spring means comprise a draw spring.
- a draw spring has the advantage that, when the movable component is closed against the fixed component, the stop element is pressed into the hole with elongation of the draw spring, whereby the kinetic energy of the movable component is at least partially converted to potential energy in the draw spring, whereby the shock during closure is prevented or at least substantially reduced.
- the draw spring In the closed position of the movable component the draw spring moreover tends to be displaced to its non-tensioned position and to press the stop element outward, whereby the stop element exerts a pressure on the movable component and so prevents rattling as a result of play in the lock.
- the spring has on its other end zone at least one widened portion, whereby the spring fits only up to this widened portion into the hole.
- Such a widened portion provides a simple connection between the spring means and the hole.
- the draw spring comprises a number of windings, wherein the widened portion is formed by a winding on the other end zone of the spring, this winding having a diameter larger than the diameter of the hole, and wherein the other windings have a diameter smaller than the diameter of the hole.
- a widened portion is provided in simple manner by embodying an end winding of the spring with a greater diameter, whereby the spring fits only as far as this winding into the hole and a simple connection between the spring and the hole thus takes place .
- the spring means extend round at least a part of the stop element .
- connection between the stop element and the spring means is realized easily in an embodiment of the device according to the invention in which the stop element has on its end zone remote from the free end a recess in which the one end zone of the spring is received with clamping fit.
- the free end of the stop element is optionally provided with a layer of flexible, resiliently compressible material.
- a layer can absorb a shock during closing of the movable component and can efficiently prevent rattling.
- the invention further relates to an assembly of a fixed component, such as a frame edge, and a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, wherein there is arranged in the fixed component or the movable component a device as described above for absorbing a shock when the movable component is closed against the fixed component and/or for preventing rattling that results from play between this closed fixed component and this movable component, which device comprises:
- a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component;
- the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
- the movable component is preferably connected movably to a side of the fixed component, and wherein an opposite side of the fixed component is provided with the hole in which the device is accommodated fittingly such that the device extends substantially perpendicularly relative to the surface of the movable component which closes against the fixed component when the movable component is situated in a closed position.
- Rattling is effectively prevented when the device is arranged at this location in the fixed component and extends perpendicularly relative to the surface of the movable component which closes against the fixed component when the movable component is situated in a closed position.
- FIGS. 1A and IB show respectively a perspective view and a longitudinal section of a shock and rattle damper according to the invention in non-tensioned position;
- figures 2A and 2B show respectively a perspective view and a longitudinal section of a shock and rattle damper of figure 1 in pressed-in position;
- figure 3 is a perspective view of the shock and rattle damper of figure 1 in mounted position.
- figures 4A and 4B show a longitudinal section of the shock and rattle damper of figure 1 in respectively the mounted, non-tensioned position and the pressed-in position.
- Figures 1A and IB show a shock and rattle damper 1 with a stop element 2 which has a free end 3.
- Stop element 2 has on an end zone a recess 4 in which an end zone 7 of a draw spring 5 is received with clamping fit.
- End zone 7 of draw spring 5 extends for this purpose radially inward from the winding periphery of spring 5.
- the stop element 2 takes a hollow form, wherein two recesses 4 are arranged in the edge of stop element 2.
- Spring 5 extends round at least a part of stop element 2.
- Figures 1A and IB show that spring 5 has a number of windings, wherein an end winding 6 on the other end zone of spring 5 has a diameter greater than the diameter of the other windings.
- the shock and rattle damper 1 of figure 1 is shown in pressed-in position in figures 2A and 2B. In this pressed-in position the end winding 6 on the other end zone of spring 5 extends close to the free end 3 of stop element 2.
- FIGs 3, 4A and 4B show shock and rattle damper 1 in mounted situation in a frame 20.
- frame 20 Arranged in frame 20 is a drilled hole 21 in which stop element 2 with the spring 5 extending therearound is accommodated slidably in lengthwise direction.
- Hole 21 in frame 20 is arranged in a side of frame 20 located opposite the side of frame 20 on which door 22 is hingedly suspended.
- shock and rattle damper 1 extends perpendicularly relative to surface 23 of door 22 which closes against frame 20, at least in closed position of door 22.
- end winding 6 has a diameter greater than the diameter of hole 21, whereby shock and rattle damper 1 fits up to end winding 6 into hole 21.
- the other windings have a diameter smaller than the diameter of hole 21. It is noted that any widening of spring 5 close to its end zone facing toward the free end 3 can be suitable instead of the end winding 6. Spring 5 could thus be provided for instance with a flange such that spring 5 fits no further into hole 21 than up to this flange. It is also noted that it will be apparent that the length of hole 21 must be greater than the length of stop element 2 as measured between its rear surface 24 and a free end surface 16 of the free end 3.
- FIG 4B the shock and rattle damper 1 is shown arranged in frame 20 in a pressed-in position.
- the kinetic energy thereof is at least partially converted to potential energy in spring 5 because spring 5 is elongated, whereby the shock during closure is prevented, or at least substantially reduced.
- the shock and rattle damper 1 further prevents rattling resulting from play in the lock.
- spring 5 will urge stop element 2 to its free, pressed-outward end position because spring 5 displaces to its non-tensioned position, such that shock and rattle damper 1 is ready to absorb another shock when the door 22 is closed once again.
- the free, pressed-outward end position is defined by the length of spring 5 in its non-tensioned
- the length of the part of stop element 2 in the pressed-outward end position outside hole 21 is the length of stop element 2 minus the length of spring 5 in its tensioned position .
- stop element 2 can be provided with a layer of flexible, resiliently compressible material .
- Stop element 2 can be manufactured by injection moulding from an appropriate plastic. Owing to its simple form the stop element 2 can be manufactured in simple and inexpensive manner.
- shock and rattle damper 1 can take place in simple manner by arranging spring 5 round stop element 2 and fixedly clamping the one end zone of spring 5 into recess 4 of stop element 2.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to a device for absorbing a shock when a movable component is closed against a fixed component and/or for preventing rattling that results from play, the device comprising : a stop element which is intended to be accommodated slidably in a hole arranged in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component; and spring means; wherein the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position and a pressed-in position. The invention also relates to an assembly of a fixed component and a movable component, wherein such a device is arranged in the fixed component or the movable component.
Description
SHOCK AND RATTLE DAMPER
The invention relates to a device for absorbing a shock when a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, is closed against a fixed component such as a frame edge, and/or for preventing rattling that results from play between this closed fixed component and this movable component .
It is an object of the invention to provide a device of the type stated in the preamble which absorbs shocks efficiently and/or prevents rattling efficiently and/or can be manufactured simply and/or inexpensively.
For this purpose the device of the type stated in the preamble comprises according to the invention:
a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component; and
spring means which press this stop element outward;
wherein the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
An advantage of the device according to the invention is that it comprises only two components, i.e. the stop element and the spring means. The device according to the invention can hereby be manufactured simply and/or inexpensively.
In an embodiment of the device according to the invention the spring means comprise a draw spring. Such a draw spring has the advantage that, when the movable component is closed against the fixed component, the stop element is pressed into the hole
with elongation of the draw spring, whereby the kinetic energy of the movable component is at least partially converted to potential energy in the draw spring, whereby the shock during closure is prevented or at least substantially reduced. In the closed position of the movable component the draw spring moreover tends to be displaced to its non-tensioned position and to press the stop element outward, whereby the stop element exerts a pressure on the movable component and so prevents rattling as a result of play in the lock.
In another embodiment of the device according to the invention the spring has on its other end zone at least one widened portion, whereby the spring fits only up to this widened portion into the hole.
Such a widened portion provides a simple connection between the spring means and the hole.
In a practical embodiment of the device according to the invention the draw spring comprises a number of windings, wherein the widened portion is formed by a winding on the other end zone of the spring, this winding having a diameter larger than the diameter of the hole, and wherein the other windings have a diameter smaller than the diameter of the hole.
A widened portion is provided in simple manner by embodying an end winding of the spring with a greater diameter, whereby the spring fits only as far as this winding into the hole and a simple connection between the spring and the hole thus takes place .
In an embodiment of the device according to the invention the spring means extend round at least a part of the stop element .
The connection between the stop element and the spring means is realized easily in an embodiment of the device according to the invention in which the stop element has on its end zone remote from the free end a recess in which the one end zone of the spring is received with clamping fit.
The free end of the stop element is optionally provided with a layer of flexible, resiliently compressible material.
Such a layer can absorb a shock during closing of the movable component and can efficiently prevent rattling.
The invention further relates to an assembly of a fixed component, such as a frame edge, and a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, wherein there is arranged in the fixed component or the movable component a device as described above for absorbing a shock when the movable component is closed against the fixed component and/or for preventing rattling that results from play between this closed fixed component and this movable component, which device comprises:
a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component; and
spring means which press this stop element outward;
wherein the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
The movable component is preferably connected movably to a side of the fixed component, and wherein an opposite side of the fixed component is provided with the hole in which the device is accommodated fittingly such that the device extends substantially perpendicularly relative to the surface of the movable component which closes against the fixed component when the movable component is situated in a closed position.
Rattling is effectively prevented when the device is arranged at this location in the fixed component and extends perpendicularly relative to the surface of the movable component which closes against the fixed component when the movable component is situated in a closed position.
The invention will be further elucidated with reference to the figures shown in the drawing, in which
figures 1A and IB show respectively a perspective view and a longitudinal section of a shock and rattle damper according to the invention in non-tensioned position;
figures 2A and 2B show respectively a perspective view and a longitudinal section of a shock and rattle damper of figure 1 in pressed-in position;
figure 3 is a perspective view of the shock and rattle damper of figure 1 in mounted position; and
figures 4A and 4B show a longitudinal section of the shock and rattle damper of figure 1 in respectively the mounted, non-tensioned position and the pressed-in position.
Figures 1A and IB show a shock and rattle damper 1 with a stop element 2 which has a free end 3. Stop element 2 has on an end zone a recess 4 in which an end zone 7 of a draw spring 5 is received with clamping fit. End zone 7 of draw spring 5 extends for this purpose radially inward from the winding periphery of spring 5. In order to save material the stop element 2 takes a hollow form, wherein two recesses 4 are arranged in the edge of stop element 2. Spring 5 extends round at least a part of stop element 2. Figures 1A and IB show that spring 5 has a number of windings, wherein an end winding 6 on the other end zone of spring 5 has a diameter greater than the diameter of the other windings.
The shock and rattle damper 1 of figure 1 is shown in pressed-in position in figures 2A and 2B. In this pressed-in position the end winding 6 on the other end zone of spring 5 extends close to the free end 3 of stop element 2.
Figures 3, 4A and 4B show shock and rattle damper 1 in mounted situation in a frame 20. Arranged in frame 20 is a drilled hole 21 in which stop element 2 with the spring 5 extending therearound is accommodated slidably in lengthwise direction. Hole 21 in frame 20 is arranged in a side of frame 20 located opposite the side of frame 20 on which door 22 is hingedly suspended. As shown in figures 4A and 4B, shock and rattle damper 1 extends perpendicularly relative to surface 23 of door 22 which
closes against frame 20, at least in closed position of door 22. Also shown in figures 4A and 4B is that end winding 6 has a diameter greater than the diameter of hole 21, whereby shock and rattle damper 1 fits up to end winding 6 into hole 21. The other windings have a diameter smaller than the diameter of hole 21. It is noted that any widening of spring 5 close to its end zone facing toward the free end 3 can be suitable instead of the end winding 6. Spring 5 could thus be provided for instance with a flange such that spring 5 fits no further into hole 21 than up to this flange. It is also noted that it will be apparent that the length of hole 21 must be greater than the length of stop element 2 as measured between its rear surface 24 and a free end surface 16 of the free end 3.
In figure 4B the shock and rattle damper 1 is shown arranged in frame 20 in a pressed-in position. As door 22 closes, through contact between the free end surface 16 of stop element 2 and door 22 in the final part of the displacement, the kinetic energy thereof is at least partially converted to potential energy in spring 5 because spring 5 is elongated, whereby the shock during closure is prevented, or at least substantially reduced. After closing of door 22 the shock and rattle damper 1 further prevents rattling resulting from play in the lock. When door 22 is opened, spring 5 will urge stop element 2 to its free, pressed-outward end position because spring 5 displaces to its non-tensioned position, such that shock and rattle damper 1 is ready to absorb another shock when the door 22 is closed once again. The free, pressed-outward end position is defined by the length of spring 5 in its non-tensioned
position. The length of the part of stop element 2 in the pressed-outward end position outside hole 21 is the length of stop element 2 minus the length of spring 5 in its tensioned position .
It is noted that the free end of the stop element can be provided with a layer of flexible, resiliently compressible material .
Stop element 2 can be manufactured by injection moulding from an appropriate plastic. Owing to its simple form the stop element 2 can be manufactured in simple and inexpensive manner.
Assembly of shock and rattle damper 1 can take place in simple manner by arranging spring 5 round stop element 2 and fixedly clamping the one end zone of spring 5 into recess 4 of stop element 2.
It is noted that the invention is not limited to the above discussed exemplary embodiments but also extends to other variants within the scope of the appended claims.
Claims
1. Device for absorbing a shock when a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, is closed against a fixed component such as a frame edge, and/or for preventing rattling that results from play between this closed fixed component and this movable component, the device comprising:
a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component; and
spring means which press this stop element outward;
wherein the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
2. Device as claimed in claim 1, wherein the spring means comprise a draw spring.
3. Device as claimed in claim 2, wherein the spring has on its other end zone at least one widened portion, whereby the spring fits only up to this widened portion into the hole.
4. Device as claimed in claim 3, wherein the draw spring comprises a number of windings, wherein the widened portion is formed by a winding on the other end zone of the spring, this winding having a diameter larger than the diameter of the hole, and wherein the other windings have a diameter smaller than the diameter of the hole.
5. Device as claimed in any of the foregoing claims, wherein the spring means extend round at least a part of the stop element .
6. Device as claimed in any of the foregoing claims, wherein the stop element has on its end zone remote from the free end a recess in which the one end zone of the spring is received with clamping fit.
7. Device as claimed in any of the foregoing claims, wherein the free end of the stop element is provided with a layer of flexible, resiliently compressible material.
8. Assembly of a fixed component, such as a frame edge, and a movable component, for instance a pivotable panel such as a door, a hatch or a swivel window, or a slidable element such as a sliding window or a drawer, wherein there is arranged in the fixed component or the movable component a device according to any of the foregoing claims for absorbing a shock when the movable component is closed against the fixed component and/or for preventing rattling that results from play between this closed fixed component and this movable component, the device comprising :
a stop element which is intended to be accommodated slidably in lengthwise direction in a hole arranged for this purpose in the fixed or the movable component, and having a free end which is intended for pressure force-transferring co-action with the other component; and
spring means which press this stop element outward;
wherein the spring means are connected on their one end zone to the stop element and on their other end zone to the hole such that during operation the stop element is displaceable between a free, pressed-outward end position, which is defined by the length of the spring means in their non-tensioned position, and a pressed-in position.
9. Assembly as claimed in claim 8, wherein the movable component is connected movably to a side of the fixed component, and wherein an opposite side of the fixed component is provided with the hole in which the device is accommodated fittingly such that the device extends substantially perpendicularly relative to the surface of the movable component which closes against the fixed component when the movable component is situated in a closed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/NL2012/050804 WO2014077674A1 (en) | 2012-11-13 | 2012-11-13 | Shock and rattle damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/NL2012/050804 WO2014077674A1 (en) | 2012-11-13 | 2012-11-13 | Shock and rattle damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014077674A1 true WO2014077674A1 (en) | 2014-05-22 |
Family
ID=47425276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NL2012/050804 Ceased WO2014077674A1 (en) | 2012-11-13 | 2012-11-13 | Shock and rattle damper |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2014077674A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637906A (en) * | 2022-11-03 | 2023-01-24 | 中山市卓雅五金有限公司 | A pocket door damper and a matching structure between the damper and the track |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1436871A (en) * | 1921-04-11 | 1922-11-28 | Gilbert E Ferry | Shock absorber for screen doors |
| DE2741471C2 (en) * | 1977-09-15 | 1979-05-03 | Adam Opel Ag, 6090 Ruesselsheim | Tension spring |
| EP1106768A2 (en) * | 1999-12-07 | 2001-06-13 | Grass GmbH | Method for braking a moving mass as well as braking and damping element |
| EP1555371A1 (en) * | 2004-01-15 | 2005-07-20 | Widee Holding GmbH License & Development | Shock and rattle damper |
| NL2007078C2 (en) * | 2011-07-11 | 2013-01-14 | Widee Bv | SHOCK AND ROCK DAMPER. |
-
2012
- 2012-11-13 WO PCT/NL2012/050804 patent/WO2014077674A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1436871A (en) * | 1921-04-11 | 1922-11-28 | Gilbert E Ferry | Shock absorber for screen doors |
| DE2741471C2 (en) * | 1977-09-15 | 1979-05-03 | Adam Opel Ag, 6090 Ruesselsheim | Tension spring |
| EP1106768A2 (en) * | 1999-12-07 | 2001-06-13 | Grass GmbH | Method for braking a moving mass as well as braking and damping element |
| EP1555371A1 (en) * | 2004-01-15 | 2005-07-20 | Widee Holding GmbH License & Development | Shock and rattle damper |
| NL2007078C2 (en) * | 2011-07-11 | 2013-01-14 | Widee Bv | SHOCK AND ROCK DAMPER. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637906A (en) * | 2022-11-03 | 2023-01-24 | 中山市卓雅五金有限公司 | A pocket door damper and a matching structure between the damper and the track |
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