CN106108443B - Adjustable chair - Google Patents
Adjustable chair Download PDFInfo
- Publication number
- CN106108443B CN106108443B CN201610636265.XA CN201610636265A CN106108443B CN 106108443 B CN106108443 B CN 106108443B CN 201610636265 A CN201610636265 A CN 201610636265A CN 106108443 B CN106108443 B CN 106108443B
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- China
- Prior art keywords
- chair
- seat
- hinged
- back frame
- plate
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
Abstract
The invention discloses an adjustable chair, which comprises a chair back frame, two hinged bent rods respectively arranged at the left side and the right side of the chair, two chair seat adjusting devices respectively arranged at the left side and the right side of the chair and a chair seat; the seat is slidably arranged on the two seat adjusting devices; the end parts of the left side and the right side of the chair back frame are respectively hinged with the left side and the right side of the chair seat through a hinged bent rod, the left side of the chair back frame is hinged with a chair seat adjusting device on the left side of the chair, and the right side of the chair back frame is hinged with a chair seat adjusting device on the right side of the chair; the seat back frame swings forward or backward to push the seat back to slide backward or forward. Therefore, the position of the chair seat is adjusted, the function and the comfort of the chair are improved, and the application range is wide.
Description
Technical Field
The invention relates to the field of living and office supplies, in particular to an adjustable chair.
Background
Office chair refers to a backrest chair for a person to sit when the person performs a tabletop work in a sitting posture. The existing office chair generally considers the material and the appearance of the chair so as to meet the requirements of reducing the compression area of the back and the buttocks, pressing the acupoints at the stressed position, promoting the blood circulation of the back and the buttocks, and avoiding the strain of the neck, the shoulder and the waist, and the basic appearance is unchanged. City office workers generally have noon in the noon of the company, but often or because of limited office positions, the workers cannot lie down for rest, or because of insufficient time, people do not want to lay sleepers, unnecessary fatigue of the workers is caused, and the working efficiency is affected. In other words, the existing office chair has no seat adjusting function, single function and not wide application range.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an adjustable chair, which can adjust the seat position and increase the functions of the chair.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an adjustable chair comprises a chair back frame, two hinged bent rods respectively arranged at the left side and the right side of the chair, two chair seat adjusting devices respectively arranged at the left side and the right side of the chair and a chair seat; the seat is slidably arranged on the two seat adjusting devices; one end of the left hinged bent rod is hinged with the left end part of the chair back frame, and the other end of the left hinged bent rod is hinged with the left side of the chair seat; one end of the right hinged bent rod is hinged with the end part of the right side of the chair back frame, and the other end of the right hinged bent rod is hinged with the right side of the chair seat; the left side of the chair back frame is hinged with a seat adjusting device on the left side of the chair, and the right side of the chair back frame is hinged with a seat adjusting device on the right side of the chair; the seat back frame swings forward or backward to push the seat back to slide backward or forward.
In the adjustable chair, the seat adjusting device comprises a limit adjusting plate, a seat connecting frame, a knob, a lever and an elastic piece; the seat is fixed on the limit adjusting plate, and the limit adjusting plate is slidably arranged on the seat connecting frame; the fulcrum of the lever is arranged on the seat connecting frame, the top of one end of the lever is provided with a stop position for fixing a limit adjusting plate, and the limit adjusting plate is provided with a plurality of buckling positions matched with the stop position; one end of the elastic piece is fixed on the seat connecting frame, the other end of the elastic piece props against the bottom of one end of the lever, and the elastic piece is always in a compressed state and pushes the anti-lock position into the buckling position through elasticity; the knob can move up and down on the seat connecting frame through rotation, and the top of the knob abuts against the bottom of the other end of the lever.
In the adjustable chair, the chair further comprises two hinged bent rods and a chair back frame; one end of a hinged bent rod is hinged with the end part of the left side of the chair back frame, and the other end of the hinged bent rod is hinged with the left side of the chair seat; one end of the other hinged bent rod is hinged with the end part of the right side of the chair back frame, and the other end of the hinged bent rod is hinged with the right side of the chair seat; the seat connecting frame comprises a bending part and a horizontal part, and the limit adjusting plate is slidably arranged on the horizontal part; the left side and the right side of the chair back frame are hinged with the corresponding bending parts of the chair seat connecting frames.
In the adjustable chair, the limit adjusting plate comprises a supporting plate for supporting a chair seat, a limit plate for limiting the sliding distance of the limit adjusting plate and a guide rail; the limiting plate is obliquely arranged at the bottom of one end of the supporting plate, the buckling position is arranged on the limiting plate, and the guide rail is arranged between the limiting plate and the supporting plate.
In the adjustable chair, a rolling rod and a bracket for supporting the rolling rod are arranged on the horizontal part of the seat connecting frame, and the rolling rod is matched with the guide rail of the limit adjusting plate.
In the adjustable chair, the chair still include respectively with left side and right side articulated left handrail seat and the right handrail seat of back of the chair frame, the top of left handrail seat and right handrail seat all is provided with the dog that is used for restricting back of the chair frame angle of adjustment, the left side of back of the chair frame and the corresponding position on right side be provided with the recess of dog adaptation.
In the adjustable chair, the left side of the chair back frame, the bending part of the chair seat connecting frame corresponding to the left side of the chair back frame and the left armrest seat are hinged at the same position; the right side of the chair back frame, the bending part of the chair seat connecting frame corresponding to the right side of the chair back frame and the right armrest seat are hinged at the same position.
In the adjustable chair, a left armrest is arranged on the left armrest seat, and a right armrest is arranged on the right armrest seat.
In the adjustable chair, the chair also comprises a chassis for supporting the seat connecting frame, an air rod for adjusting the height and the rotation angle of the chair and chair legs, wherein the top of the air rod is fixedly connected with the bottom of the chassis, and the bottom of the air rod is fixed on the chair legs.
In the adjustable chair, the chair comprises at least three chair legs, and each chair leg is provided with a caster.
Compared with the prior art, the adjustable chair provided by the invention comprises a chair back frame, two hinged bent rods respectively arranged at the left side and the right side of the chair, two seat adjusting devices respectively arranged at the left side and the right side of the chair and a seat; the seat is slidably arranged on the two seat adjusting devices; the end parts of the left side and the right side of the chair back frame are respectively hinged with the left side and the right side of the chair seat through a hinged bent rod, the left side of the chair back frame is hinged with a chair seat adjusting device on the left side of the chair, and the right side of the chair back frame is hinged with a chair seat adjusting device on the right side of the chair; the seat back frame swings forward or backward to push the seat back to slide backward or forward. Therefore, the position of the chair seat is adjusted, the function and the comfort of the chair are improved, and the application range is wide.
Drawings
Fig. 1 is a perspective view of an adjustable chair provided by the present invention.
Fig. 2 is a perspective view of a chair back frame, a chair seat frame, and an armrest seat in an adjustable chair according to the present invention.
Fig. 3 is a perspective view of a chair back frame, a chair seat frame, and an armrest seat in the adjustable chair provided by the invention.
Fig. 4 is a schematic structural view of a seat adjusting device in the adjustable chair according to the present invention.
Fig. 5 is a perspective view of a limit adjusting plate in the adjustable chair provided by the invention.
Fig. 6 is a partial view of a back frame and a seat frame of the adjustable chair according to the present invention.
Fig. 7 is an exploded view of a back frame and an armrest seat in an adjustable chair according to the present invention.
Detailed Description
The invention provides an adjustable chair, which aims to make the purposes, technical schemes and effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the adjustable chair provided by the present invention includes a chair back 10, a seat 20, a left armrest 310, a right armrest 320, an air bar 40, and chair legs 50. The air bar 40 is used for adjusting the height and the rotation angle of the chair. The top of the air bar 40 is fixedly connected with the bottom of the seat 20, and the bottom of the air bar 40 is fixed on the chair legs 50. The chair comprises at least three chair legs 50, in this embodiment, five chair legs 50 are provided, and casters 60 are provided on each chair leg 50. Wherein, the chair back 10 comprises a chair back frame 110 and a chair back cushion 120 arranged on the chair back frame 110. The chair is preferably an office chair.
Referring to fig. 2 and 3, the adjustable chair provided by the present invention further includes two hinge rods 270 respectively disposed on the left and right sides of the chair, and two seat adjusting devices respectively disposed on the left and right sides of the chair, wherein in this embodiment, the two seat adjusting devices are symmetrically disposed on the left and right sides of the bottom of the seat 20. The seat adjusting devices are used for enabling the seat 20 to slide back and forth, namely, the seat 20 is slidably arranged on the two seat adjusting devices; allowing the user to sit or lap on the chair. The seat 20 includes a seat frame 210 and a seat cushion disposed on the seat frame 210. One end of the left hinge bent rod 270 is hinged to the left end of the back frame 110, and the other end of the left hinge bent rod 270 is hinged to the left side of the seat frame 210; one end of the right hinge bent rod 270 is hinged to the right end of the back frame 110, and the other end of the right hinge bent rod 270 is hinged to the right side of the seat frame 210; in other words, the back frame 110 and the seat frame 210 are hinged to one end and the other end of two hinge rods 270, respectively. The left side of the chair back frame 110 is hinged with a seat adjusting device on the left side of the chair, and the right side of the chair back frame 110 is hinged with a seat adjusting device on the right side of the chair; the back frame 110 swings forward or backward to push the seat frame 210 to slide backward or forward. Therefore, the user only needs to turn backwards, push force is applied to the chair back frame 110 through the back, the chair back frame 110 pushes the chair seat 20 forwards through the lever principle, the sitting posture can be changed into the sliding posture, the adjustment of the position of the chair seat is realized, the functions and the comfort of the chair are improved, and the application range is wide.
Referring to fig. 3, 4 and 5, the seat adjusting device includes a limit adjusting plate 230, a seat connecting frame 220, a knob 250, a lever 240 and an elastic member 260; the seat connecting frame 220 includes a bending portion 221 and a horizontal portion 222. The seat frame 210 is fixed on the limit adjusting plate 230, and the limit adjusting plate 230 is slidably disposed on the horizontal portion 222 of the seat connecting frame 220, that is, the limit adjusting plate 230 can slide back and forth on the seat connecting frame 220; the fulcrum of the lever 240 is disposed on the horizontal portion 222 of the seat connecting frame 220, a stop 241 for fixing the limit adjustment plate 230 is disposed on the top of one end of the lever 240, and a plurality of fastening positions 2320 adapted to the stop 241 are disposed on the limit adjustment plate 230; one end of the elastic member 260 is fixed on the horizontal portion 222 of the seat connecting frame 220, the other end of the elastic member 260 abuts against the bottom of one end of the lever 240, the elastic member 260 is always in a compressed state, and the stopper 241 is pushed into the fastening position 2320 by elastic force; the knob 250 is rotatably disposed on the horizontal portion 222 of the seat connecting frame 220, and the knob 250 can move up and down on the horizontal portion 222 by rotating itself; the top of the knob 250 abuts the bottom of the other end of the lever 240. Specifically, the knob 250 is provided with an external thread, and the horizontal portion 222 of the seat connecting frame 220 is provided with an internal thread adapted to the external thread, so that the knob 250 is only required to be rotated, and the limit adjusting plate 230 is fixed or loosened by adjusting the lever 240, so that the seat 20 can be adjusted to move back and forth, and adjustment of sitting posture and lying posture can be achieved. The elastic member 260 is preferably a spring.
According to the invention, the stop for fixing the limit adjusting plate is arranged at the top of one end of the lever, the compressed elastic piece is arranged at the bottom of one end of the lever, and the limit adjusting plate can be fixed or loosened by only rotating the knob arranged at the other end of the lever, so that the position of the chair seat can be adjusted, the function and comfort of the chair are improved, and the application range is wide.
Further, the lever 240 includes a stop steel plate and a lever support, the stop steel plate is connected with the lever support, one end of the stop steel plate is provided with a stop 241, and the other end of the stop steel plate is connected with the lever support. After the knob 250 is lifted, the stop is tripped from the limit adjusting plate, and after the knob is lowered, the stop returns to the buckling position of the limit adjusting plate under the action of the spring to limit the movement of the limit adjusting plate.
The limit adjusting plate 230 includes a support plate 231 for supporting the seat 20, a limit plate 232 for limiting a sliding distance of the limit adjusting plate, a guide rail 233, and an extension plate 234 for balancing a force. The limiting plate 232 is obliquely arranged at the bottom of one end of the supporting plate 231, the buckling positions 2320 are arranged on the limiting plate 232, and the buckling positions 2320 are arranged in a plurality of sequentially arranged in an array mode. The stop 241 allows for different gear control by inserting different buttons 2320 to allow for sliding movement of the seat 20. The guide rail 233 is disposed between the limit plate 231 and the support plate 232. The extension plate 234 is obliquely disposed at the bottom of the other end of the support plate 231 and is parallel to the limit plate 232.
Correspondingly, a rolling rod 270 and a bracket 280 for supporting the rolling rod 270 are disposed on the horizontal portion 222 of the seat connecting frame 220, and the rolling rod 270 is adapted to the guide rail 233 of the limit adjusting plate 230. That is, the limit adjusting plate 230 is pressed on the roller 270, and the sliding is realized by the cooperation of the guide rail 233 and the roller 270. The two rollers 270 and the bracket 280 are provided, one roller 270 is disposed in the guide rail 233, the other roller 270 is disposed on top of the extension plate 234, and the two rollers 270 help balance the force.
Referring to fig. 3 and 6, the left and right sides of the back frame 110 are hinged to the bending portions 221 of the corresponding seat connecting frames 220, and the hinge positions of the left and right sides of the back frame 110 and the bending portions 221 of the corresponding seat connecting frames 220 are higher than the hinge bent rods 270. In other words, the left and right sides of the back frame 110 form two levers that move synchronously, and the pivot of the levers is located on the bending portion 221 of the seat connecting frame 220, preferably, the left and right sides of the back frame 110 are hinged to the top ends of the bending portions 221 of the corresponding seat connecting frame 220. By the arrangement, a user sits on the chair, and can drive the seat frame 210 to move forward by leaning back and moving forward the buttocks, and drive the back frame 110 to turn backwards, so that the chair is suitable for the posture of a human body and is automatically adjusted.
Referring to fig. 2, the chair further includes a left armrest seat 330 and a right armrest seat 340 hinged to the left side and the right side of the back frame 110, respectively, the left armrest seat 330 is provided with a left armrest 310, and the right armrest seat 340 is provided with a right armrest 320.
Referring to fig. 6, the left side of the back frame 110, the bending portion 221 of the seat connecting frame corresponding to the left side of the back frame 110, and the left armrest 330 are hinged at the same position; the right side of the back frame 110, the bending part 221 of the seat connecting frame corresponding to the right side of the back frame 110, and the right armrest 340 are hinged at the same position. In other words, the left side of the back frame 110 and the bending portion 221 of the left seat connecting frame, the left armrest seat 330 and the bending portion 221 of the left seat connecting frame are hinged at the same position in pairs, and the right side and the left side are provided in the same manner. Specifically, the chair further includes a hinge sleeve 111 and a hinge bolt 112. The hinge sleeve 111 is used for connecting the chair back frame 110 with the chair seat connecting frame 220 in a hinge manner, and the hinge bolt 112 is used for connecting the hinge sleeve 111, the chair back frame 110 and the chair seat connecting frame 220 together.
Referring to fig. 7, the top ends of the left armrest seat 330 and the right armrest seat 340 are respectively provided with a stop 341 for limiting the adjustment angle of the seatback frame 110, and corresponding positions on the left side and the right side of the seatback frame 110 are provided with grooves 113 adapted to the stop 341. The groove 113 is a sector groove, and the sector included angle is the included angle of the back swing.
The chair further comprises a chassis 70 for supporting the seat connecting frame 220, and the top of the air bar 40 is fixedly connected with the bottom of the chassis 70.
When the adjustable chair provided by the invention is used, the knob 250 is rotated to rotate in the seat connecting frame 220, one side of the stop steel plate is jacked up, and the stop 241 on the other side of the stop steel plate is tripped from the limit adjusting plate 230 under the action of the fulcrum of the lever strut; when the stop 241 of the stop steel plate is tripped, a person sits on the chair, and the back is leaned back and the buttocks are moved forward to drive the right and left limit adjusting plates to move forward, so that the seat frame 210 moves forward to drive the back frame 110 to rotate backward, thereby adapting to the posture of the human body and being automatically adjusted. The limit device (the stop block 341) on the armrest seat and the limit groove 113 on the chair back frame 110 can limit the back-and-forth swinging range of the chair back, so that the distance of the back-and-forth movement of the chair seat is determined, and if the chair seat moves and swings within the limit position range, the position is controlled by the buckling position on the limit adjusting plate. When the knob 250 is lowered, the stop 241 returns to the position of the limit adjustment plate under the action of the spring 260, limiting the movement of the limit adjustment plate (piece 19).
Therefore, the adjustable chair provided by the invention can automatically and cooperatively adjust the angles of the chair seat and the chair back along with the change of the posture of a human body, provides a comfortable chair angle for a user, and is very convenient to lock and unlock the position by utilizing a simple knob mode.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.
Claims (8)
1. An adjustable chair is characterized by comprising a chair back frame, two hinged bent rods respectively arranged at the left side and the right side of the chair, two chair seat adjusting devices respectively arranged at the left side and the right side of the chair and a chair seat; the seat is slidably arranged on the two seat adjusting devices; one end of the left hinged bent rod is hinged with the left end part of the chair back frame, and the other end of the left hinged bent rod is hinged with the left side of the chair seat; one end of the right hinged bent rod is hinged with the end part of the right side of the chair back frame, and the other end of the right hinged bent rod is hinged with the right side of the chair seat; the left side of the chair back frame is hinged with a seat adjusting device on the left side of the chair, and the right side of the chair back frame is hinged with a seat adjusting device on the right side of the chair; the chair back frame swings forwards or backwards to push the chair seat to slide backwards or forwards; the seat adjusting device comprises a limit adjusting plate, a seat connecting frame, a knob, a lever and an elastic piece; the seat is fixed on the limit adjusting plate, and the limit adjusting plate is slidably arranged on the seat connecting frame; the fulcrum of the lever is arranged on the seat connecting frame, the top of one end of the lever is provided with a stop position for fixing a limit adjusting plate, and the limit adjusting plate is provided with a plurality of buckling positions matched with the stop position; one end of the elastic piece is fixed on the seat connecting frame, the other end of the elastic piece props against the bottom of one end of the lever, and the elastic piece is always in a compressed state and pushes the anti-lock position into the buckling position through elasticity; the knob can move up and down on the seat connecting frame through rotation, and the top of the knob abuts against the bottom of the other end of the lever; the knob is provided with external threads, and the horizontal part of the seat connecting frame is provided with internal threads matched with the external threads; when the knob is rotated, the lever is adjusted, and the limit adjusting plate is fixed or loosened so as to adjust the position of the seat; the seat connecting frame comprises a bending part and a horizontal part, and the limit adjusting plate is slidably arranged on the horizontal part; the left side and the right side of the chair back frame are hinged with the corresponding bending parts of the chair seat connecting frames.
2. The adjustable chair according to claim 1, wherein the limit adjustment plate comprises a support plate for supporting the seat, a limit plate for limiting a sliding distance of the limit adjustment plate, and a guide rail; the limiting plate is obliquely arranged at the bottom of one end of the supporting plate, the buckling position is arranged on the limiting plate, and the guide rail is arranged between the limiting plate and the supporting plate.
3. The adjustable chair according to claim 2, wherein the horizontal portion of the seat connecting frame is provided with a rolling bar and a bracket for supporting the rolling bar, the rolling bar being adapted to the guide rail of the limit adjustment plate.
4. The adjustable chair of claim 1, further comprising a left armrest seat and a right armrest seat hinged to the left side and the right side of the back frame, respectively, wherein the top ends of the left armrest seat and the right armrest seat are each provided with a stopper for limiting the adjustment angle of the back frame, and the corresponding positions of the left side and the right side of the back frame are provided with grooves adapted to the stoppers.
5. The adjustable chair according to claim 4, wherein the left side of the back frame, the bent portion of the seat connecting frame corresponding to the left side of the back frame, and the left armrest seat are hinged in the same position; the right side of the chair back frame, the bending part of the chair seat connecting frame corresponding to the right side of the chair back frame and the right armrest seat are hinged at the same position.
6. The adjustable chair of claim 4 or 5, wherein the left armrest seat is provided with a left armrest and the right armrest seat is provided with a right armrest.
7. The adjustable chair of claim 1, further comprising a chassis for supporting the seat attachment frame, an air bar for adjusting the height and rotation angle of the chair, and a foot, wherein the top of the air bar is fixedly connected to the bottom of the chassis, and the bottom of the air bar is fixedly connected to the foot.
8. The adjustable chair of claim 7, wherein the chair comprises at least three legs, each leg having casters disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636265.XA CN106108443B (en) | 2016-08-05 | 2016-08-05 | Adjustable chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636265.XA CN106108443B (en) | 2016-08-05 | 2016-08-05 | Adjustable chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106108443A CN106108443A (en) | 2016-11-16 |
| CN106108443B true CN106108443B (en) | 2023-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610636265.XA Active CN106108443B (en) | 2016-08-05 | 2016-08-05 | Adjustable chair |
Country Status (1)
| Country | Link |
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| CN (1) | CN106108443B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898199A (en) * | 2017-12-18 | 2018-04-13 | 浙江圣奥家具制造有限公司 | A kind of office chair back to swing |
| CN110301773A (en) * | 2019-07-12 | 2019-10-08 | 廖建甜 | A kind of seat that the linkage of the seat chair back is adjusted |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068888A (en) * | 1976-01-07 | 1978-01-17 | Homecrest Industries, Inc. | Recliner chair |
| CN202739305U (en) * | 2012-07-24 | 2013-02-20 | 泰桦家具股份有限公司 | Adjusting device of seat |
| CN103479114A (en) * | 2013-09-18 | 2014-01-01 | 吴江市利达上光制品有限公司 | Lifting chair |
| CN204192043U (en) * | 2014-10-29 | 2015-03-11 | 龚和仔 | Handrail-type pedestal forward lead formula adjustable inclination office chair |
| CN104840030A (en) * | 2015-03-26 | 2015-08-19 | 浙江永艺家具股份有限公司 | Seat and backrest linkage chair |
| CN206213627U (en) * | 2016-08-05 | 2017-06-06 | 佛山职业技术学院 | A kind of adjustable chair |
-
2016
- 2016-08-05 CN CN201610636265.XA patent/CN106108443B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068888A (en) * | 1976-01-07 | 1978-01-17 | Homecrest Industries, Inc. | Recliner chair |
| CN202739305U (en) * | 2012-07-24 | 2013-02-20 | 泰桦家具股份有限公司 | Adjusting device of seat |
| CN103479114A (en) * | 2013-09-18 | 2014-01-01 | 吴江市利达上光制品有限公司 | Lifting chair |
| CN204192043U (en) * | 2014-10-29 | 2015-03-11 | 龚和仔 | Handrail-type pedestal forward lead formula adjustable inclination office chair |
| CN104840030A (en) * | 2015-03-26 | 2015-08-19 | 浙江永艺家具股份有限公司 | Seat and backrest linkage chair |
| CN206213627U (en) * | 2016-08-05 | 2017-06-06 | 佛山职业技术学院 | A kind of adjustable chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106108443A (en) | 2016-11-16 |
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