CN201027890Y - Furniture damper - Google Patents
Furniture damper Download PDFInfo
- Publication number
- CN201027890Y CN201027890Y CNU2007200512503U CN200720051250U CN201027890Y CN 201027890 Y CN201027890 Y CN 201027890Y CN U2007200512503 U CNU2007200512503 U CN U2007200512503U CN 200720051250 U CN200720051250 U CN 200720051250U CN 201027890 Y CN201027890 Y CN 201027890Y
- Authority
- CN
- China
- Prior art keywords
- piston
- projection
- damper
- hole
- oil
- 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 - Fee Related
Links
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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
- E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- E05Y2201/21—Brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- E05Y2201/252—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
- E05Y2201/254—Fluid or viscous friction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- E05Y2201/262—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion
- E05Y2201/264—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion linear
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets
Abstract
A furniture damper comprises a cylinder body and a piston rod. One end of the piston rod is provided with a piston and a compression spring, while the other end of the piston rod is provided with a buffer head; an axial damping through-hole is arranged on the piston which is provided with an opening cavity for the axial sliding of a valve sheet; the opening cavity is communicated with the damping through-hole covered with the valve sheet; the opening cavity is blocked with the damping sheet; the outer wall of the piston is provided with an axial groove or gap; a positioning piece is arranged inside the opening cavity and passes the valve sheet and the damping sheet to be connected with a spring mounting base . The positioning piece comprises a convex plate protruded at the opening cavity; the convex plate is provided with a convex cylinder; the outside diameter of the convex plate is bigger than that of the convex cylinder, being big end up ; the valve sheet is covered on the convex plate loosely, and the damping sheet is put on the convex cylinder. The utility model is of simple structure, low manufacturing cost, and provided with two kinds of damping passage including a fast one and a slow one, which can effectively prevent the collision when the drawer is being closed with more flexible operation.
Description
Technical field
The utility model relates to a kind of damper, the damper of particularly a kind of furniture door and drawer.
Background technique
I disclose a kind of domestic damper in Chinese patent literature CN2846663Y, comprise cylinder body and piston rod, end at piston rod is provided with piston and pressure spring, the other end of piston rod is provided with buffer head, the middle part of piston rod is provided with guide holder and Sealing, it is characterized in that piston is provided with axial damp channel, be provided with the damper valve plate of its movement velocity of control in the damp channel; Damp channel comprises one or more through hole that is arranged on the piston, and is communicated with the annular groove of described through hole, and damper valve plate is provided with recess or the hole communicates with described groove.The damper folding speed difference of this structure, opening speed is faster than closing speed, and sealability is also reliable, but when its closing velocity is too fast, collision still might occur, is necessary further to improve and perfect.
The model utility content
Technical problem to be solved in the utility model be to provide a kind of simple and reasonable, fabricating cost is low, can effectively prevent to collide, the damper of the furniture of flexible operation, to overcome deficiency of the prior art.
The technical scheme in the invention for solving the above technical problem is: a kind of damper of furniture, comprise cylinder body and piston rod, piston rod one end is provided with piston and pressure spring, its the other end is provided with buffer head, piston is provided with axial damping through hole, its structure characteristic is that piston is provided with the opening chamber for the valve block axial slip, the opening chamber is connected with the damping through hole, the valve block lid is pressed on the damping through hole, the block of elastic damping sheet is on the opening chamber, and piston outer wall is provided with axial groove or breach, the indoor locating piece that is provided with of atrium, this locating piece joins with spring mounting seat after passing valve block and elastic damping sheet successively.
Above-mentioned locating piece comprises and is convexly set in the indoor boss of atrium, boss is provided with projection, the boss external diameter is bigger than projection external diameter, big up and small down, the valve block pine is enclosed within on the boss, the elastic damping sheet is set on the projection, is crimped between boss and the spring mounting seat, pegs graft in projection end and spring mounting seat bottom.
Above-mentioned elastic damping sheet is set on the projection by pilot hole, and it is provided with one and above restriction protrusion towards valve block one side, and this restriction protrusion is arranged on the projection side.
Above-mentioned elastic damping sheet is provided with one and the second above oil-through hole, and second oil-through hole is arranged on around the mounting hole.
Above-mentioned boss height is higher than opening chamber limit wall height.
The end face that above-mentioned piston is positioned at opening chamber one side is provided with one and above projection, and the height and the boss of projection adapt, and the elastic damping sheet is crimped on the projection; And/or axial groove is connected with recess between the projection.
Above-mentioned piston, elastic damping sheet and spring mounting seat are respectively and be provided with oil-gap between the inboard wall of cylinder block; And/or be provided with oil-gap between valve block and the atrium chamber interior walls.
The utility model when it collides with door or drawer wooden partition, can farthest carry out buffered because the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern, reduces noise greatly.Spring mounting seat, damping fin and piston link together, and can effectively prevent damping fin generation slippage, guarantee that damper is reliable.The utility model is simple and reasonable, fabricating cost is low, is provided with at a slow speed and quick two kinds of damping oil passages, can effectively prevent to bump when drawer from closing, operate more flexible.
Description of drawings
Fig. 1 is the axial sectional structure schematic representation of the utility model one embodiment.
Fig. 2 is an A place structure for amplifying schematic representation among Fig. 1.
Fig. 3-Fig. 4 is the decomposition structure for amplifying schematic representation of piston, valve block, damping fin and spring mounting seat.
Fig. 5 analyses and observe the structure for amplifying schematic representation for piston.
Fig. 6 is another embodiment's of piston a three-dimensional structure for amplifying schematic representation.
Fig. 7 analyses and observe the structure for amplifying schematic representation for the solid of end cap.
Fig. 8-Fig. 9 is the three-dimensional structure for amplifying schematic representation of two different amount of baffle ring.
Figure 10 analyses and observe the structure for amplifying schematic representation for the solid of buffer head.
Figure 11 analyses and observe the structure for amplifying schematic representation for the solid of sound-absorptive head.
Figure 12 is the three-dimensional structure for amplifying schematic representation of end socket.
Figure 13 when slowly closing, the working state structure for amplifying schematic representation of damper.
When Figure 14 is scram, the working state structure for amplifying schematic representation of damper.
Figure 15 when opening, the working state structure for amplifying schematic representation of damper.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Among the figure: 1 is cylinder body, and 1.1 is step, and 2 is end cap, 2.1 be groove, 3 is the O RunddichtringO, 4 is the seal ring of V font or Y font, 5 is baffle ring, and 5.1 is head, and 5.2 is first oil-through hole, 6 are the oil storage ring, and 7 is piston rod, and 8 is piston, 8.1 be the piston rod installing blind, 8.2 is axial damping through hole, 8.3 is axial groove, 8.4 be the opening chamber, 8.5 is boss, 8.6 is projection, 8.7 be projection, 9 is valve block, 9.1 is spring mounting hole, 10 is damping fin, and 10.1 is pilot hole, 10.2 restriction protrusion, 10.3 be second oil-through hole, 11 is spring mounting seat, and 12 is pressure spring, and 13 is end socket, 14 is buffer head, 14.1 the sound-absorptive head pilot hole, 14.2 is the locating piece hole, and 15 is sound-absorptive head.
First embodiment
Referring to Fig. 1, this furniture damper, comprise cylinder body 1 and piston rod 7, cylinder body 1 upper end is provided with end cap 2, the lower end is provided with end socket 13, and piston rod 7 one ends are provided with buffer head 14, see Figure 10, be embedded with sound-absorptive head 15 on the buffer head, the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern, sees Figure 11, end cap 2 is passed in piston rod 7 stage casings successively, seal ring 4, the oil storage ring 6 of baffle ring 5 and foam body, wherein, be in the shape of the letter V or the seal ring 4 of Y font is set in the groove 2.1 on the end cap 2, see Fig. 7, head 5.1 sleeves of baffle ring 5 that are convex shape are in groove 2.1, its base portion is resisted against the end cap edge, and hoop is evenly equipped with three first oil-through holes 5.2 on the baffle ring 5, sees Fig. 8-Fig. 9, oil storage ring 6 one ends are crimped on baffle ring 5 base portions, the other end is resisted against on the step 1.1 of cylinder body 1 inwall, sees Fig. 2, and end socket 13 is convex shape, be installed on cylinder body 1 end, see Figure 12.Piston 8, elastic damping sheet 10 and spring mounting seat 11 were provided with oil-gap respectively and between cylinder body 1 inwall; Be provided with oil-gap between valve block 9 and opening chamber 8.4 inwalls.The piston rod the other end is provided with piston 8 and pressure spring 12, piston 8 outer walls are evenly equipped with three axial grooves 8.3, uniform three the axial damping through holes 8.2 of piston 8 central authorities, see Fig. 3-Fig. 5, piston is provided with the opening chamber 8.4 for valve block 9 axial slips, the opening chamber is connected with damping through hole 8.2, the valve block lid is pressed on the damping through hole, 10 block of elastic damping sheet are on the opening chamber, the indoor locating piece that is provided with of atrium, after this locating piece passes valve block and elastic damping sheet successively, join with spring mounting seat 11.Locating piece comprises the boss 8.5 that is convexly set in the opening chamber 8.4, boss is provided with projection 8.6, the boss external diameter is bigger than projection external diameter, big up and small down, 9 pines are enclosed within on the boss valve block, elastic damping sheet 10 is set on the projection, is crimped between boss and the spring mounting seat 11, pegs graft in projection end and spring mounting seat bottom.Elastic damping sheet 10 is set on the projection 8.6 by pilot hole 10.1, and it is provided with three restriction protrusion 10.2 towards valve block 9 one sides, and this restriction protrusion is arranged on the projection side.Elastic damping sheet 10 is provided with three second oil-through hole 10.3, the second oil-through holes and is provided with around the pilot hole 10.1.Pressure spring 12 1 ends are socketed on the spring mounting seat 11, and the other end is resisted against on the cylinder body 1, and the spring mounting seat cross section is Y font, cross, * shape or Mi Zixing.
Boss 8.5 in the present embodiment highly is higher than opening chamber 8.4 limit wall height, sees Fig. 1 and Fig. 5.
When slowly closing, see Figure 13, promote piston rod along arrow H direction, valve block is pressed on the axial damping through hole at the effect lower cover of damping oil, and damping fin is stressed smaller, and at this moment, the damping oil in the cylinder body slowly flows along arrow B and C direction.
When energetically, during scram, see Figure 14, valve block still covers and is pressed on the axial damping through hole, at this moment, the elastic damping sheet produces deformation under the effect of damping oil, its edge is crimped on the opening chamber edge, and the passage of crossing oil-gap and groove that leads between piston and the cylinder body from second oil-through hole is blocked originally, damping oil then can only flow along the arrow C direction, and piston rod is forced to reduce movement velocity.
When external force is cancelled, see Figure 15, effect lower piston rod at pressure spring moves along arrow I direction, pine is enclosed within the valve block slippage to the right on the boss, to the restriction protrusion that is resisted against damping fin, expose by the axial damping through hole of its covering, damping oil just flows along arrow E, F and G direction, and flowing velocity compares comparatively fast.In order to prevent that valve block from sliding onto second oil-through hole that stops up on the damping fin, be provided with restriction protrusion in damping fin, unobstructed to guarantee oil circuit.
Second embodiment
Referring to Fig. 6, the end face that piston is positioned at opening chamber 8.4 1 sides is provided with three projections 8.7, and the elastic damping sheet is crimped between projection and the spring mounting seat; The height of projection 8.7 should be lower than boss 8.5 place height, and the recess between axial groove and the projection joins.
When it used, the effect of elastic damping sheet was with slowly closing and draw back state among first embodiment; When energetically, during scram, the elastic damping sheet produces deformation under the effect of damping oil, its edge is crimped on the projection 8.7 and recess of piston, and the passage of crossing oil-gap and groove that leads between piston and the cylinder body from second oil-through hole is blocked originally, and piston rod is forced to reduce movement velocity.
This structure is owing to be provided with projection, so it is slowly closed and draws back under the state, when damping oil led to mistake oil-gap between piston and the cylinder body at second oil-through hole, flowing velocity was accelerated a little, and the movement velocity of piston rod is also accelerated.
Claims (10)
1. the damper of a furniture, comprise cylinder body (1) and piston rod (7), piston rod one end is provided with piston (8) and pressure spring (12), its the other end is provided with buffer head (14), piston is provided with axial damping through hole (8.2), it is characterized in that described piston is provided with the opening chamber (8.4) for valve block (9) axial slip, the opening chamber is connected with the damping through hole, the valve block lid is pressed on the damping through hole, elastic damping sheet (10) block is on the opening chamber, and piston outer wall is provided with axial groove (8.3) or breach, the indoor locating piece that is provided with of atrium, after this locating piece passes valve block and elastic damping sheet successively, join with spring mounting seat (11).
2. the damper of furniture according to claim 1, it is characterized in that described locating piece comprises the boss (8.5) that is convexly set in the opening chamber (8.4), boss is provided with projection (8.6), the boss external diameter is bigger than projection external diameter, big up and small down, valve block (9) pine is enclosed within on the boss, and elastic damping sheet (10) is set on the projection, is crimped between boss and the spring mounting seat (11), pegs graft in projection end and spring mounting seat bottom.
3. the damper of furniture according to claim 2, it is characterized in that described elastic damping sheet (10) is set on the projection (8.6) by pilot hole (10.1), it is provided with one and above restriction protrusion (10.2) towards valve block (9) one sides, and this restriction protrusion is arranged on the projection side.
4. according to the damper of claim 2 or 3 described furniture, it is characterized in that described elastic damping sheet (10) is provided with one and above second oil-through hole (10.3), second oil-through hole is arranged on pilot hole (10.1) on every side.
5. the damper of furniture according to claim 2 is characterized in that described boss (8.5) highly is higher than opening chamber (8.4) limit wall height.
6. the damper of furniture according to claim 2, it is characterized in that the end face that described piston (8) is positioned at opening chamber (8.4) one sides is provided with one and above projection (8.7), the height of projection and boss (8.5) adapt, and elastic damping sheet (10) is crimped on the projection; And/or axial groove (8.3) is connected with recess between the projection.
7. according to the damper of claim 1 or 6 described furniture, it is characterized in that described piston (8) outer wall is provided with one and above axial groove (8.3) or breach; Pressure spring (12) one ends are socketed on the spring mounting seat (11), and the other end is resisted against on the cylinder body (1), and the spring mounting seat cross section is Y font, cross, * shape or Mi Zixing.
8. the damper of furniture according to claim 1 is characterized in that described piston (8), elastic damping sheet (10) and spring mounting seat (11) were provided with oil-gap respectively and between cylinder body (1) inwall; And/or be provided with oil-gap between valve block (9) and opening chamber (8.4) inwall.
9. the damper of furniture according to claim 1 is characterized in that being embedded with sound-absorptive head (15) on the described buffer head (14), and the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern.
10. the damper of furniture according to claim 1, it is characterized in that described cylinder body (1) upper end is provided with end cap (2), the lower end is provided with end socket (13), end cap is passed in piston rod (7) stage casing successively, seal ring (4), the oil storage ring (6) of baffle ring (5) and foam body, wherein, be in the shape of the letter V or the seal ring of Y font is set in the groove (2.1) on the end cap, head (5.1) sleeve that is the baffle ring of convex shape is in groove, its base portion is resisted against the end cap edge, baffle ring is provided with first oil-through hole (5.2), oil storage ring one end is crimped on the baffle ring base portion, and the other end is resisted against on the step (1.1) of cylinder body (1) inwall, and end socket is convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200512503U CN201027890Y (en) | 2007-05-01 | 2007-05-01 | Furniture damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200512503U CN201027890Y (en) | 2007-05-01 | 2007-05-01 | Furniture damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027890Y true CN201027890Y (en) | 2008-02-27 |
Family
ID=39132100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200512503U Expired - Fee Related CN201027890Y (en) | 2007-05-01 | 2007-05-01 | Furniture damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027890Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749350A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Air damping buffer with piston rod radial air vent |
| CN101749349A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Air damping buffer with piston rod air vent |
| CN101749348A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| EP2369199A3 (en) * | 2010-03-24 | 2017-01-04 | Miguel Angel Rioja Calvo | Progressive damping device for furniture |
| CN106969085A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of adjustable jack type hydraulic damping buffering device |
| CN107630964A (en) * | 2017-09-20 | 2018-01-26 | 周根元 | A kind of hydraulic damper |
| WO2023101623A1 (en) * | 2021-12-01 | 2023-06-08 | Samet Kalip Ve Madeni̇ Eşya San Ve Ti̇c. A.Ş | A hydraulic damper for furniture doors and drawers |
-
2007
- 2007-05-01 CN CNU2007200512503U patent/CN201027890Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749350A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Air damping buffer with piston rod radial air vent |
| CN101749349A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Air damping buffer with piston rod air vent |
| CN101749348A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| CN101749349B (en) * | 2008-12-08 | 2013-10-09 | 江阴市华宏强顺科技有限公司 | Air damping buffer with piston rod air vent |
| CN101749348B (en) * | 2008-12-08 | 2013-10-09 | 江阴市华宏强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| EP2369199A3 (en) * | 2010-03-24 | 2017-01-04 | Miguel Angel Rioja Calvo | Progressive damping device for furniture |
| CN106969085A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of adjustable jack type hydraulic damping buffering device |
| CN107630964A (en) * | 2017-09-20 | 2018-01-26 | 周根元 | A kind of hydraulic damper |
| CN107630964B (en) * | 2017-09-20 | 2023-08-11 | 肇庆市维德亚科技有限公司 | Hydraulic damper |
| WO2023101623A1 (en) * | 2021-12-01 | 2023-06-08 | Samet Kalip Ve Madeni̇ Eşya San Ve Ti̇c. A.Ş | A hydraulic damper for furniture doors and drawers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shunde Foshan Huatai Metal Product Co., Ltd. Assignor: Wu Zhiyong Contract record no.: 2010440000186 Denomination of utility model: Damper of furniture Granted publication date: 20080227 License type: Exclusive License Record date: 20100128 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20140501 |