CN106724268B - Chair back front and back position adjusting mechanism and chair - Google Patents
Chair back front and back position adjusting mechanism and chair Download PDFInfo
- Publication number
- CN106724268B CN106724268B CN201611267536.5A CN201611267536A CN106724268B CN 106724268 B CN106724268 B CN 106724268B CN 201611267536 A CN201611267536 A CN 201611267536A CN 106724268 B CN106724268 B CN 106724268B
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- bracket
- chair back
- chair
- fixing frame
- seat
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a front-back position adjusting mechanism of a chair back, which comprises a connecting seat, a chair seat fixing frame and a chair back fixing frame, wherein the chair back fixing frame comprises a first bracket and a second bracket, the front end of the first bracket is connected with a side arm of the connecting seat, a chair back connector is arranged at the rear end of the second bracket, and the relative position between the first bracket and the second bracket can be adjusted, so that the length of the chair back fixing frame is changed, and the front-back movement of the chair back is realized. The invention also relates to a chair with the front-rear position adjusting mechanism.
Description
Technical Field
The invention relates to the field of office furniture equipment, in particular to a chair back front-back position adjusting mechanism and a chair.
Background
The prior art chair frames and chairs have been essentially focused on the armrests and the chair chassis of the chair for functional changes, while the chair seat is essentially stationary and not movable. On the other hand, the chair back cannot be adjusted back and forth according to the actual needs of the user, and the comfort level of the chair back is somewhat poor. Meanwhile, the prior chair frame or chair with the tilting back has very complex structure of the tilting adjustment structure or the fixed structure after the tilting adjustment, and is inconvenient to use.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a front-rear position adjusting mechanism for a seatback.
Another object of the present invention is to provide a chair with an adjustable back and front position.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the chair back comprises a chair frame, a chair seat fixing frame and a chair back fixing frame, the chair back fixing frame comprises a first bracket and a second bracket, and a position adjusting mechanism is arranged between the first bracket and the second bracket; the front end of first support is connected with the side arm of connecting seat, and the back of the chair connector is installed at the rear end of second support, sets up a walking groove along its length direction on the first support, be equipped with evenly distributed's draw-in groove along its length direction in the walking groove, position adjustment mechanism includes adjust knob and a pair of connecting rod of being connected with adjust knob, and in two adjacent draw-in grooves in the walking groove was gone into to two connecting rods card respectively, rotatory adjust knob can drive the connecting rod and remove in the walking groove, offer the connecting piece fixed slot on the second support, be fixed with the connecting piece in the connecting piece fixed slot, install the connecting rod mounting on the connecting piece, the connecting piece can rotate relative connecting piece, the walking groove sets up with the fixed slot relatively, the one end of connecting rod penetrates the connecting piece fixed slot to peg graft and fix on the connecting rod mounting. The structure is provided, and the adjusting knob can drive the pair of connecting rods to move in the walking groove to realize the relative position between the first bracket and the second bracket, so that the length of the chair back fixing frame is changed, and the back and forth movement of the chair back is realized. The length of the first bracket and the second bracket is adjusted through the matching of the adjusting knob and the connecting rod, and the use is convenient.
As the preferable technical scheme, be equipped with a long waist hole on the first support, long waist hole is located the front side of walking groove, be equipped with on the second support with long waist hole corresponds the connecting hole, set up slide bar and connect long waist hole and connecting hole. Through long waist hole, connecting hole and slide bar cooperation for increasing a tie point between first support and the second support, can guarantee the stability after the back of the chair mount is expanded.
As the preferred technical scheme, the connecting seat comprises a connecting bottom plate and two side arms arranged on the left side and the right side of the connecting bottom plate, the upper parts of the side arms of the connecting seat are at least vertically arranged, the connecting bottom plate and the side arms of the connecting seat are integrally arranged, the bottom plate and the side arms are connected through an arc plate or an inclined plate, and the connecting seat is integrally of a U-shaped steel structure. The connecting seat has high strength, is convenient to be connected with other parts, and is beneficial to simplifying the chair frame structure.
A chair includes a back-to-back position adjustment mechanism as described above. The back of the chair can be conveniently adjusted back and forth.
In summary, according to the back-and-forth position adjusting mechanism of the chair back, the adjusting knob drives the pair of connecting rods to move in the walking groove to achieve the relative position between the first bracket and the second bracket, so that the length of the chair back fixing frame is changed, and the back-and-forth movement of the chair back is achieved. The length of the first bracket and the second bracket is adjusted through the matching of the adjusting knob and the connecting rod, and the use is convenient.
Drawings
Fig. 1 is a schematic view of the chair according to the present invention (except for a base portion).
Fig. 2 is a schematic view of another angle of fig. 1.
Fig. 3 is a schematic view of the structure of the chair frame.
Fig. 4 is a schematic view of the structure of fig. 3 at another angle.
Fig. 5 is an enlarged view at a in fig. 3.
Fig. 6 is an exploded view of the chair back mount of the present invention.
Fig. 7 is a schematic view of another angle of the chair back fixing frame.
Fig. 8 is an exploded view of the first stage adjustment mechanism of the present invention.
Fig. 9 is a schematic structural view of a connecting bracket according to the present invention.
Fig. 10 is a schematic structural view of a second stage adjustment mechanism according to the present invention.
Fig. 11 is a schematic view of another angle of fig. 10.
Detailed Description
Preferred embodiments of the present patent are described in further detail below with reference to the accompanying drawings.
A chair frame as shown in fig. 3-11 comprises a connecting seat 1, a seat holder 2 and a back holder 3.
The connecting seat 1 comprises a connecting bottom plate and two side arms arranged on the left side and the right side of the connecting bottom plate, at least the upper parts of the side arms of the connecting seat 1 are vertically arranged, and the vertical parts of the side arms are provided with connecting structures for being connected with other parts. The connecting base plate of the connecting seat 1 is provided with a supporting leg fixing part and a corresponding adjusting handle, the supporting leg in the embodiment comprises an adjusting rod, a chair leg and a roller, and the adjusting handle is used for adjusting the height of the adjusting rod. The connecting base plate and the side arms of the connecting base 1 in the embodiment are integrally arranged, the base plate and the side arms are connected through an arc plate or an inclined plate, and the whole connecting base is of a U-shaped steel structure.
The seat holder 2 comprises a bottom plate 21 and connecting arms 22 arranged on the left side and the right side of the bottom plate, the bottom plate 21 of the seat holder 2 is horizontally arranged and provided with at least two connecting pieces 211 used for being connected with a seat, the connecting pieces 211 are welded and fixed on the upper side surface of the bottom plate 21, and the seat is fixed on the connecting pieces through bolts. As shown in fig. 3-5, the connecting arm 22 of the seat holder 2 is hinged with the side arm of the connecting seat 1, the seat holder 2 is located inside the connecting seat 1, and the seat holder 2 can swing back and forth relative to the connecting seat 1. A rotating gap is reserved between the bottom of the seat holder 2 and the bottom of the connecting seat 1, and the bottom holder 2 does not contact the bottom of the connecting seat 1 in the process of swinging back and forth relative to the connecting seat 1. In this embodiment, the connecting arm 22 of the seat holder is connected with the bottom plate 21 through an inclined plate or an arc plate, and the seat holder 22 is a steel structure integrally provided. In order to limit the back and forth swinging angle of the seat holder 2, as shown in fig. 5, a first stopper 11 and a second stopper 12 are provided on both sides of the connecting arm in the swinging direction. The first stopper 11 and the second stopper 12 in this embodiment are provided inside the side arm of the connection base 1.
As shown in fig. 6 to 7, the chair back fixing frame 3 comprises a first bracket 31 and a second bracket 32, wherein the front end of the first bracket 31 is connected with a side arm of the connecting seat 1, the rear end of the second bracket 32 is provided with a chair back connector for fixing the chair back, and a position adjusting mechanism is arranged between the first bracket 31 and the second bracket 32. The first bracket 31 is provided with a traveling groove 311 along the length direction thereof, and clamping grooves which are uniformly distributed are arranged in the traveling groove 311 along the length direction thereof. The position adjusting structure comprises an adjusting knob 33 and a pair of connecting rods 34 connected with the adjusting knob, the two connecting rods 34 are respectively clamped into two adjacent clamping grooves in the walking groove 311, and the connecting rods 34 can be driven to move in the walking groove 311 by rotating the knob 33. The second bracket 32 is provided with a connecting piece fixing groove 321, a connecting piece 35 is fixed in the connecting piece fixing groove 321, a connecting rod fixing piece 36 is arranged on the connecting piece 35, and the connecting rod fixing piece 36 can rotate relative to the connecting piece 35. The running groove 311 is opposite to the fixing groove 321, and one end of the connecting rod 34 penetrates through the connecting piece fixing groove 321 and is inserted and fixed on the connecting rod fixing piece 36.
In this embodiment, when the adjusting knob is rotated clockwise by 180 °, the front link is rotated by 180 ° in the slot where it is located, the rear link is rotated by 180 ° centering around the front link and is engaged in the slot in the rotation direction, and the link rotation drives the link fixing member 36 to rotate around the connecting member 35, while the second bracket 32 is retracted forward by a distance relative to the first bracket 31. When the adjusting knob is rotated 180 degrees anticlockwise, the position of the rear connecting rod is unchanged, the rear connecting rod only rotates 180 degrees in the clamping groove where the adjusting knob is located, the front connecting rod rotates 180 degrees around the rear connecting rod to be clamped in the clamping groove in the rotating direction of the front connecting rod, the connecting rod rotates to drive the connecting rod fixing piece 36 to rotate around the connecting piece 35, and meanwhile the second bracket 32 is unfolded backwards for a certain distance relative to the first bracket 31. Through the structure, the length of the chair back fixing frame can be conveniently adjusted, and the front and back positions of the chair back can be adjusted according to the actual demands of users. Further, the adjusting knob 33 is slidably mounted on one side of the first bracket 31 through a frame-type bracket 37. The first bracket 31 is provided with a long waist hole 312, the long waist hole 312 is positioned at the front side of the walking groove 311, the second bracket 32 is provided with a connecting hole 322 corresponding to the long waist hole 312, and a slide bar is arranged to connect the long waist hole 312 and the connecting hole 322. In the length changing process of the first bracket and the second bracket, the sliding rod slides along the long waist hole, the long waist hole can play a role in guiding, and the sliding rod can play a supporting role, so that the chair back fixing frame has higher stability when being in the longest state.
The front end of the chair back fixing frame 3 is hinged with the side arm of the connecting seat, as shown in fig. 3-5, a third limiting block 13 is arranged at the upper end of the chair back fixing frame 3 in the rotation direction, and a second limiting block 12 is simultaneously positioned at the lower end of the first bracket 31 in the rotation direction, and the upper and lower rotation range of the chair back fixing frame 3 is limited by the cooperation of the third limiting block 13 and the second limiting block 12. The connecting arms 22 of the chair back fixing frame 3 and the chair seat fixing frame 2 are provided with a shared limiting second limiting block 12, and hinge points between the chair back fixing frame 3 and the connecting seat 1 and between the chair seat fixing frame 2 and the connecting seat 3 are overlapped, so that the installation structure of the chair frame is compact.
The chair seat is provided with a two-stage chair back tilting adjusting mechanism. As shown in fig. 8, a first elastic support and a distance adjusting handle 42 are sequentially arranged below the chair back fixing frame 3, and the first elastic support and the distance adjusting handle 42 obliquely support the chair back fixing frame 3. The chair back fixing frame 3 rotates downwards to drive the chair back to tilt backwards after external force is applied, meanwhile, the chair back fixing frame 3 extrudes the first elastic supporting piece to deform, the chair back fixing frame is reset by the reverse acting force of the first elastic supporting piece after the external force is removed, and the chair back fixing frame 3, the first elastic supporting piece and the distance adjusting handle 42 form a first-stage chair back tilting adjusting mechanism.
The distance-adjusting handle 42 comprises a rotating head, the rotating head of the distance-adjusting handle 42 can rotate around a rotating fulcrum with a fixed position, and the first elastic supporting piece is limited between the chair back fixing frame 3 and the circumferential edge of the rotating head of the distance-adjusting handle 42. The distance from the circumferential edge of the rotating head to the rotating fulcrum is different, and the compression degree of the first elastic supporting piece is different in the rotating process of the distance-adjusting handle.
The first elastic support member in this embodiment includes a first spring 41, a limiting plug 44 and a fixing block 45, where the upper end of the first spring 41 is limited by the limiting plug 44, a downward positioning protrusion 313 is provided on the first support, a clamping groove matched with the positioning protrusion 313 is provided on the limiting plug 44, a fixing groove is provided on the fixing block 45, and the lower end of the first spring 41 is installed in the fixing groove. The fixed block 45 abuts against the circumferential edge of the rotating head of the distance-adjusting handle 42, and the first spring 41 obliquely supports the first bracket 31 in the seatback holder. The first-stage adjusting mechanism is arranged, the chair back fixing frame 3 can rotate downwards around the connecting seat under the action of external force, and after the chair back fixing frame rotates for a certain distance, the chair back fixing frame 3 is contacted with the second limiting block 12, so that the chair back fixing frame can not rotate downwards any more. Because the first spring is compressed between the chair back fixing frame and the distance adjusting handle, the compressed distance of the first spring in the initial state can be changed by adjusting the contact surface between the distance adjusting handle and the fixing piece, so that the force required by rotating the chair back fixing frame is adjusted. The chair back is arranged at the rear end of the chair back fixing frame, and the chair back is applied with a force to the back to enable the chair back fixing frame 3 to rotate downwards, so that the chair back is driven to tilt backwards, and the first-stage chair back tilting adjusting mechanism is formed. And a hand grip prevention flap 46 provided in the compression direction of the first elastic support member is fixed to the first bracket.
As shown in fig. 10 and 11, the seatback connector includes a connecting bracket 54, the connecting bracket 54 is hinged with the seatback holder 3, and a waist hole a323 is provided on the seatback holder 3 to limit the range of rotation of the connecting bracket 54 relative to the seatback holder 3; the chair back is arranged on the connecting bracket 54, and the rotation of the connecting bracket 54 drives the chair back to tilt forwards and backwards; the second elastic support is provided at the front side of the connection bracket 54, and the connection bracket 54 leans backward while deforming the second elastic support, so that the second-stage chair back leaning adjusting mechanism is formed.
The connecting bracket 54 in this embodiment is mounted on the second bracket 32, and the waist hole a323 is also provided on the second bracket 32.
The second elastic support member in this embodiment includes a connection rod 52 and a second spring 51, the second spring 51 is sleeved on the outer circumference of the connection rod 52, the rear end of the connection rod 52 passes through the connection bracket 54 and is fixed on the second bracket 32, and the second spring 51 is restrained between the front end of the connection rod 52 and the connection bracket 32.
As shown in fig. 9, the connection bracket 54 in this embodiment includes a first connection plate 541 and a second connection plate 542, the first connection plate 541 is hinged to the second bracket 32, the second connection plate 542 is disposed toward the front side of the chair, the second connection plate 542 is for fixing the back of the chair, and has a hole 5421 formed therein, through which the connection rod 52 passes, and is movable up and down along the hole 5421, so that the connection bracket 54 can be tilted forward and backward.
For convenient installation, the rear end of the second bracket is bent inwards, the rear end of the connecting rod 52 is provided with threads, and the rear end of the connecting rod 52 is fixed at the rear end of the second bracket in a matched manner with the nut.
When a backward force is applied to the chair back, the first-stage adjusting mechanism acts first, after the chair back fixing frame 3 integrally rotates downwards to a maximum angle, the force is continuously applied to the chair back, the chair back fixing frame 3 cannot drive the chair back to continuously downwards, the connecting support 54 rotates around the second support 32, meanwhile, the rotation angle is limited through the waist hole A323, and the chair back is continuously driven to tilt backwards for a distance.
Above-mentioned chair frame structure can set up the handrail mount, and the handrail mount includes backup pad and handrail board, and the backup pad is fixed in the outside of the side arm of connecting seat, is equipped with grafting fixed cover on the side arm of connecting seat in this embodiment, and the direct grafting of backup pad is fixed in grafting fixed cover, the upper end at the backup pad is installed perpendicularly to the handrail board, installs the handrail subassembly on the handrail board, and the handrail subassembly can be relative handrail board back-and-forth movement.
An office chair, as shown in fig. 1 and 2, comprises a chair frame, a chair seat, a chair back, armrests and supporting legs, wherein the chair frame is arranged according to the structure, the supporting legs are not shown in the figure, the chair seat is fixed on the chair seat connecting frame, the armrests are fixed at the upper ends of side arms of the connecting seat, the chair back is fixed on two chair back connecting heads on the chair frame, the chair back fixing frames on two sides are connected through a protection plate 6, and the protection plate is positioned at the rear side of the chair back. The outer sides of the connecting seat and the chair back fixing frame are respectively provided with a side sealing plate, so that the whole structure of the chair frame is more attractive.
Claims (4)
1. The chair back front and back position adjusting mechanism is characterized in that the chair frame comprises a connecting seat (1), a chair seat fixing frame (2) and a chair back fixing frame (3), the chair back fixing frame (3) comprises a first bracket (31) and a second bracket (32), and a position adjusting mechanism is arranged between the first bracket (31) and the second bracket (32); the front end of the first bracket (31) is connected with a side arm of the connecting seat (1), the chair back connector is arranged at the rear end of the second bracket (32), a walking groove (311) is formed in the first bracket (31) along the length direction of the first bracket, evenly distributed clamping grooves are formed in the walking groove (311) along the length direction of the first bracket, the position adjusting mechanism comprises an adjusting knob (33) and a pair of connecting rods (34) connected with the adjusting knob, the two connecting rods (34) are respectively clamped into two adjacent clamping grooves in the walking groove (311), the connecting rods (34) can be driven to move in the walking groove (311) by rotating the adjusting knob (33), a connecting piece fixing groove (321) is formed in the second bracket (32), a connecting piece (35) is fixed in the connecting piece fixing groove (321), a connecting rod fixing piece (36) is arranged on the connecting piece (35), the connecting rod fixing piece (36) can rotate relative to the connecting piece (35), one end of the connecting rod (34) penetrates into the connecting piece fixing groove (321) and is fixed on the connecting piece (36);
the seat holder (2) comprises a bottom plate (21) and connecting arms (22) arranged on the left side and the right side of the bottom plate, the connecting arms (22) of the seat holder (2) are hinged with the side arms of the connecting seat (1), the seat holder (2) is positioned on the inner side of the connecting seat (1), and the seat holder (2) can swing back and forth relative to the connecting seat (1); the front side and the rear side of the connecting arm in the swinging direction are respectively provided with a first limiting block (11) and a second limiting block (12) which are matched with each other to limit the front-back swinging angle of the seat holder (2); a third limiting block (13) is arranged at the upper end of the chair back fixing frame (3) in the rotating direction, the second limiting block (12) is positioned at the lower end of the first bracket (31) in the rotating direction at the same time, and the upper and lower rotating range of the chair back fixing frame (3) is limited by the cooperation of the third limiting block (13) and the second limiting block (12);
the chair seat is provided with a two-stage chair back tilting adjusting mechanism, a first elastic supporting piece and a distance adjusting handle (42) are sequentially arranged below the chair back fixing frame (3), the chair back fixing frame (3) is driven to tilt backwards by downward rotation of the first elastic supporting piece and the distance adjusting handle (42) after external force is applied, the chair back fixing frame (3) extrudes the first elastic supporting piece to enable the first elastic supporting piece to deform, the chair back fixing frame (3) is reset by reverse acting force of the first elastic supporting piece after the external force is removed, and the chair back fixing frame (3), the first elastic supporting piece and the distance adjusting handle (42) form a first-stage chair back tilting adjusting mechanism; the chair back connector comprises a connecting bracket (54), the connecting bracket (54) is hinged with the chair back fixing frame (3), and a waist hole A323 is arranged on the chair back fixing frame (3) to limit the rotating range of the connecting bracket (54) relative to the chair back fixing frame (3); the chair back is arranged on the connecting bracket (54), and the rotation of the connecting bracket (54) drives the chair back to tilt forwards and backwards; the front side of the connecting bracket (54) is provided with a second elastic supporting piece, the connecting bracket (54) leans backwards and simultaneously enables the second elastic supporting piece to deform, and the connecting bracket (54), the chair back fixing frame (3) and the second elastic supporting piece form a second-stage chair back leaning adjusting mechanism;
the connecting bracket (54) comprises a first connecting plate (541) and a second connecting plate (542), the first connecting plate (541) is hinged with the second bracket (32), the second connecting plate (542) is arranged towards the front side of the chair, the second connecting plate (542) is used for fixing the chair back and is provided with a hole (5421) thereon, and the connecting rod (52) passes through the hole (5421) and can move up and down along the hole (5421), so that the connecting bracket (54) can tilt forwards and backwards; the second elastic support piece comprises a connecting rod (52) and a second spring (51), the second spring (51) is sleeved on the periphery of the connecting rod (52), the rear end of the connecting rod (52) penetrates through a connecting support (54) and then is fixed on the second support (32), and the second spring (51) is limited between the front end of the connecting rod (52) and the connecting support (54).
2. The mechanism for adjusting the front and rear positions of a chair back according to claim 1, wherein the first bracket (31) is provided with a long waist hole (312), the long waist hole (312) is positioned at the front side of the walking groove (311), the second bracket (32) is provided with a connecting hole (322) corresponding to the long waist hole (312), and a slide bar is arranged to connect the long waist hole (312) and the connecting hole (322).
3. The mechanism for adjusting the front and rear positions of a chair back according to claim 1, wherein the connecting seat (1) comprises a connecting bottom plate and two side arms arranged on the left side and the right side of the connecting bottom plate, at least the upper parts of the side arms of the connecting seat (1) are vertically arranged, the connecting bottom plate and the side arms of the connecting seat (1) are integrally arranged, the bottom plate and the side arms are connected through an arc plate or an inclined plate, and the connecting seat is integrally of a U-shaped steel structure.
4. A chair comprising a back front-to-back position adjustment mechanism as claimed in any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267536.5A CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267536.5A CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106724268A CN106724268A (en) | 2017-05-31 |
| CN106724268B true CN106724268B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611267536.5A Active CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
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| CN (1) | CN106724268B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724257B (en) * | 2016-12-31 | 2019-10-25 | 浙江恒林椅业股份有限公司 | Chair frame and the chair for using the chair frame |
| CN110074584A (en) * | 2018-01-25 | 2019-08-02 | 泰桦家具股份有限公司 | Chair back curvature adjusts device |
| CN108741857B (en) * | 2018-07-02 | 2023-09-19 | 佛山职业技术学院 | Fully-adjustable backrest chair |
| CN108937266A (en) * | 2018-07-11 | 2018-12-07 | 曹美兰 | A kind of outdoor landscape chair connector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206910107U (en) * | 2016-12-31 | 2018-01-23 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7234775B2 (en) * | 2002-06-18 | 2007-06-26 | Hector Serber | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206910107U (en) * | 2016-12-31 | 2018-01-23 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
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| CN106724268A (en) | 2017-05-31 |
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Address after: 313300, Zhejiang, Huzhou province Anji County Road, 378, 380, No. Applicant after: Henglin Furniture Co.,Ltd. Address before: 313300 sunlight industrial park three district, Anji County Di Pu town, Huzhou City of Zhejiang Province Zhejiang Heng Lin Chairs Co.,Ltd. Applicant before: ZHEJIANG HENGLIN CHAIR INDUSTRY Co.,Ltd. |
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