CN110464146B - Sectional adjusting type ergonomic chair - Google Patents
Sectional adjusting type ergonomic chair Download PDFInfo
- Publication number
- CN110464146B CN110464146B CN201910769094.1A CN201910769094A CN110464146B CN 110464146 B CN110464146 B CN 110464146B CN 201910769094 A CN201910769094 A CN 201910769094A CN 110464146 B CN110464146 B CN 110464146B
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- CN
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- Prior art keywords
- backrest
- adjusting
- backrest support
- support rod
- adjustment mechanism
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- 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.)
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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
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
-
- 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
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions
-
- 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Supports 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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- 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
- A47C7/62—Accessories for chairs
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
本发明公开了一种分段调节式办公椅，包括：椅座，左右两侧均设置有相互平行的滑槽；座垫平衡机构，设置于滑槽的内侧；靠背支撑杆，可转动地设置于所述椅座的后侧；靠背调节机构，设置于所述靠背支撑杆上；曲度调节机构，设置于所述靠背调节机构上；靠背支撑片，设置于所述曲度调节机构上；其中，所述靠背支撑片沿靠背支撑杆的轴向设置有数个。本发明通过设置座垫平衡机构，使座垫可以通过平衡转轴前后倾斜，调节乘坐压力，提高装置的舒适度，并设置多个靠背支撑片用于支撑背部，而每个靠背支撑片均可以通过靠背调节机构和曲度调节机构进行调节，以适应不同体型使用者的背部曲线，有利于提高装置的舒适性和适用性。
The present invention discloses a segmented adjustable office chair, comprising: a seat, with mutually parallel slide grooves on both sides; a seat cushion balancing mechanism, which is arranged on the inner side of the slide groove; a backrest support rod, which is rotatably arranged on the rear side of the seat; a backrest adjustment mechanism, which is arranged on the backrest support rod; a curvature adjustment mechanism, which is arranged on the backrest adjustment mechanism; and a backrest support sheet, which is arranged on the curvature adjustment mechanism; wherein, the backrest support sheet is arranged in a plurality along the axial direction of the backrest support rod. The present invention arranges a seat cushion balancing mechanism, so that the seat cushion can be tilted forward and backward through a balancing shaft, so as to adjust the seating pressure and improve the comfort of the device, and arranges a plurality of backrest support sheets for supporting the back, and each backrest support sheet can be adjusted through a backrest adjustment mechanism and a curvature adjustment mechanism to adapt to the back curves of users of different body shapes, which is conducive to improving the comfort and applicability of the device.
Description
Technical Field
The invention relates to the field of office furniture, in particular to a sectional-adjusting ergonomic chair.
Background
Office chairs refer to various chairs which are equipped for convenience in daily work and social activities, common office chairs refer to backrest chairs which are used for people to sit when the desktops work in a sitting posture state, the traditional office chairs are usually provided with casters and air compression rods, the chairs are convenient to move and the height of the chairs is convenient to adjust, but after the common office chairs are too long in service time, a user still can feel tired, so that in recent years, an office chair specially designed for a human body curve structure is provided, so that the sitting posture of the human body is adapted, the riding comfort is improved, and the use tired is reduced.
The inventor finds that the existing office chair seat cushion is always of a fixed structure, the gravity center is positioned at the buttocks when a human body is in a sitting state, the gravity center can be transferred to the thighs when the chair is in a sitting state, the gravity center cannot be adjusted along with the change of the gravity center because the common chair seat cushion is of a fixed structure, so that uneven stress is caused, the weight of the human body is concentrated at the buttocks or the thighs for a long time, fatigue and ache feel are easy to generate, the comfort level and the use flexibility are low, the existing office chair backrest is always of an integral structure, or is simply divided into a plurality of parts such as the waist, the back and the head, and the back curve of the human body is determined by 26 segmented bones of the spine, so that the common chair has too few segments, and is not capable of adjusting a proper curve according to people with different heights and sizes, the applicability is low, and the transverse curvature of the backrest is also is always of a fixed structure, and is difficult to be specifically adjusted according to the back curve of a user.
Disclosure of Invention
In view of the above, the present invention aims to provide a sectional adjustment type ergonomic chair, which can achieve flexibility adjustment according to the body shape of a user and improve riding comfort and applicability.
1. Based on the above object, the present invention provides a sectional adjusting ergonomic chair comprising:
the left side and the right side of the chair seat are provided with sliding grooves which are parallel to each other;
The seat cushion balancing mechanism is arranged at the inner side of the chute;
the backrest support rod is rotatably arranged at the rear side of the chair seat;
the backrest adjusting mechanism is arranged on the backrest supporting rod;
the curvature adjusting mechanism is arranged on the backrest adjusting mechanism;
The backrest supporting sheet is arranged on the curvature adjusting mechanism;
Wherein, the back support piece is provided with several along the axial of back bracing piece.
In some alternative embodiments, the seat cushion balancing mechanism comprises a sliding seat and a balancing rotating shaft connected to the inner side of the sliding seat, the sliding seat is arranged on the inner side of the sliding groove, the seat cushion is connected to the middle of the balancing rotating shaft, and the seat cushion can be adjusted to be balanced on the sliding seat through the rotation of the balancing rotating shaft.
In some alternative embodiments, the backrest adjusting mechanism comprises a fixed clamping sleeve and a locking button arranged in the middle of the fixed clamping sleeve, the fixed clamping sleeve is nested to be installed on the backrest supporting rod and can move an adjusting position on the backrest supporting rod, a horizontal sleeve is arranged on the outer side of the fixed clamping sleeve, a horizontal supporting rod is nested in the horizontal sleeve, and the horizontal supporting rod can move the adjusting position in the horizontal sleeve.
In some alternative embodiments, the curvature adjusting mechanism comprises a center seat, the center seat is connected to one end of the horizontal supporting rod, the backrest supporting piece is arranged in the middle of the center seat, an adjusting screw is arranged at the other end of the horizontal supporting rod, adjusting knobs are arranged at two ends of the adjusting screw, adjusting screw sleeves are symmetrically arranged on two sides of the adjusting screw, the adjusting screw sleeves are nested and arranged on the outer side of the adjusting screw, a screw sleeve rotating shaft is arranged on one side of the adjusting screw sleeve, one end of the adjusting connecting rod is connected with the adjusting screw sleeve through the screw sleeve rotating shaft, and the other end of the adjusting connecting rod is connected with the backrest supporting piece through the connecting rod rotating shaft.
In some alternative embodiments, the side of the back support sheet is concave.
In some alternative embodiments, the back support sheet is of resilient material.
In some alternative embodiments, a headrest is provided at the upper end of the backrest support bar.
In some alternative embodiments, one side of the back support sheet is provided with a correction strap.
From the above, it can be seen that the sectional adjusting ergonomic chair provided by the invention supports the whole chair by using the seat as the base, and the seat cushion is connected with the seat by the balance rotating shaft, so that the seat cushion can tilt back and forth through the balance rotating shaft, the riding pressure is adjusted, the comfort of the device is improved, and meanwhile, the front and back positions of the seat cushion can be adjusted through the slide and the slide groove, thereby being beneficial to improving the use flexibility and applicability of the device.
Drawings
FIG. 1 is a schematic representation of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a left side structure of an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of a back support bar according to an embodiment of the present invention;
FIG. 4 is a schematic view of a seat according to an embodiment of the present invention;
FIG. 5 is a schematic view of a cushion balance mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a backrest adjustment mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a fixing ferrule according to an embodiment of the present invention;
Fig. 8 is a schematic structural view of a curvature adjusting mechanism according to an embodiment of the present invention.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
It should be noted that, in the embodiments of the present invention, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present invention, and the following embodiments are not described one by one.
As one embodiment, the present invention provides a segment-adjustable ergonomic chair comprising:
the left side and the right side of the chair seat are provided with sliding grooves which are parallel to each other;
The seat cushion balancing mechanism is arranged at the inner side of the chute;
the backrest support rod is rotatably arranged at the rear side of the chair seat;
the backrest adjusting mechanism is arranged on the backrest supporting rod;
the curvature adjusting mechanism is arranged on the backrest adjusting mechanism;
The backrest supporting sheet is arranged on the curvature adjusting mechanism;
Wherein, the back support piece is provided with several along the axial of back bracing piece.
Referring to fig. 1 to 3, as an embodiment of the present invention, a sectional adjusting ergonomic chair includes a seat 1, a seat cushion balancing mechanism 3 disposed inside the seat cushion 2, a back support bar 4 rotatably disposed at a rear side of the seat 1, a back adjusting mechanism 5 disposed on the back support bar 4, a curvature adjusting mechanism 6 disposed on the back adjusting mechanism 5, and a back support piece 7 disposed on the curvature adjusting mechanism 6, wherein the back support piece 7 is disposed in a plurality along an axial direction of the back support bar 4.
Referring to fig. 3 to 5, optionally, the seat cushion balancing mechanism 3 includes a sliding seat 301 and a balancing shaft 302 connected to the inner side of the sliding seat 301, the sliding seat 301 is disposed on the inner side of the sliding slot 2, the middle of the balancing shaft 302 is connected with a seat cushion 303, the seat cushion 303 can rotate on the sliding seat 301 through the balancing shaft 302 to adjust the balance, when a person sits on the seat cushion, the center of gravity is located at the buttocks, the seat cushion 303 can tilt backward through the balancing shaft 302 to adjust the pressure so as to uniformly distribute the pressure to the buttocks and the thighs, and when the seat cushion works, the center of gravity can be transferred to the thighs, the seat cushion 303 can tilt forward through the balancing shaft 302 to adjust the pressure so as to uniformly distribute the pressure to the buttocks and the thighs, thereby preventing uneven stress, the weight of the person concentrates on the buttocks or the thighs for a long time, avoiding fatigue and soreness, being beneficial to improving the comfort of the device, and the sliding seat cushion 301 can move horizontally in the sliding slot 2, thereby adjusting the front and back positions of the seat cushion 303, and improving the flexibility and applicability of the device.
Referring to fig. 6 to 7, optionally, the backrest adjusting mechanism 5 includes a fixing sleeve 501 and a locking button 502 disposed in the middle of the fixing sleeve 501, the fixing sleeve 501 is mounted on the backrest supporting rod 4 in a nested manner, and can move the adjusting position on the backrest supporting rod 4, a horizontal sleeve 503 is disposed on the outer side of the fixing sleeve 501, a horizontal strut 504 is disposed in the horizontal sleeve 503 in a nested manner, the horizontal strut 504 can move the adjusting position in the horizontal sleeve 503, and the backrest supporting sheet 7 is connected with the horizontal strut 504 of the backrest adjusting mechanism 5 through the curvature adjusting mechanism 6, so that the height interval and the front-back position of the backrest supporting sheet 7 can be adjusted through the backrest adjusting mechanism 5, and the backrest adjusting mechanism can adapt to the back curves of users with different sizes, thereby improving the comfort level and being beneficial to improving the flexibility and applicability of the device.
Referring to fig. 8, optionally, the curvature adjusting mechanism 6 includes a center seat 601, the center seat 601 is connected to one end of the horizontal strut 504, the backrest support sheet 7 is disposed in the middle of the center seat 601, an adjusting screw 602 is disposed at the other end of the horizontal strut 504, two ends of the adjusting screw 602 are both provided with adjusting knobs 603, two sides of the adjusting screw 602 are symmetrically provided with adjusting screws 604, the adjusting screws 604 are nested and installed outside the adjusting screw 602, one side of the adjusting screws 604 is provided with screw sleeve rotating shafts 605, one end of the adjusting connecting rod 606 is connected with the adjusting screws 604 through the screw sleeve rotating shafts 605, the other end of the adjusting connecting rod 606 is connected with the backrest support sheet 7 through the connecting rod rotating shafts 607, and the side surface of the backrest support sheet 7 is concave, so as to be convenient for being attached to the back of a human body, meanwhile, the backrest support sheet 7 is made of an elastic material, and can be bent and adjusted in a certain extent, and the adjusting screws 602 are driven to rotate by rotating the adjusting screws 602, so that the adjusting screws 604 are horizontally moved on the adjusting screws 602, and the adjusting screws 606 and the backrest support sheet 7 is driven to shrink inwards by the connecting rod rotating shafts, or the backrest support sheet 7, and the curvature is not suitable for the user, and the user to use the curvature of the device.
Referring to fig. 1 to 2 again, optionally, the upper end of the backrest support rod 7 is provided with a headrest 8 for supporting the head of the user, one side of the backrest support plate 7 is provided with a correction belt 9, the correction belt 9 can attach the back of the user and the backrest support plate 7 to each other, preventing incorrect sitting posture, the backrest support plates 7 are provided with a plurality of backrest support plates along the axial direction of the backrest support rod 4, each backrest support plate 7 can adjust the height interval and the front-back position through the backrest adjustment mechanism 5, and adjust the curvature through the curvature adjustment mechanism 6, so that the more the number of backrest support plates 7 is, the finer the adjustment is, the more suitable for the back curve of the human body, the higher the comfort and the applicability are, but the higher the corresponding manufacturing cost is, the more inconvenient the adjustment is, and the fewer the number of backrest support plates 7 is, the lower the manufacturing cost is, but the corresponding adjustment cannot be finely adjusted, the back curve of the human body is difficult to adapt, the comfort and the applicability is low, and therefore the number of backrest support plates 7 arranged in a segment is 15 to 30, and the most preferred for the spine segment 26 is the same as the number of the spine segment.
When in use, the device supports the middle main body structure through the seat 1, when a human body takes, the sliding seat 301 can horizontally move in the sliding groove 2, so as to adjust the front and back positions of the seat cushion 303, meanwhile, the adjusting knob 603 can be rotated to drive the adjusting screw 602 to rotate, so as to drive the adjusting screw sleeve 604 to horizontally move on the adjusting screw 602, the adjusting connecting rod 606 and the connecting rod rotating shaft 607 drive the back support piece 7 to inwards shrink to reduce the curvature or outwards expand to increase the curvature, the curvature of the back support piece 7 is adjusted to adapt to the back curves of users with different sizes, the fixing clamping sleeve 501 is moved up and down along the back support rod 4, so that the height and the front and back positions of the back support piece 7 can be adjusted, the back curves of users with different sizes can be adapted, when the sitting is finished, the device supports a human body through the seat cushion 303, the seat cushion 303 can rotate on the sliding seat 301 through the balance rotating shaft 302 to adjust balance, when the human body is in a sitting state, the gravity center is positioned at the buttocks, the seat cushion 303 can tilt backwards through the balance rotating shaft 302 to adjust pressure, so that the pressure is uniformly distributed to the buttocks and the thighs, when the sitting is in a sitting posture, the gravity center can be transferred to the thighs, the seat cushion 303 can tilt forwards through the balance rotating shaft 302 to adjust pressure, so that the pressure is uniformly distributed to the buttocks and the thighs, uneven stress is prevented, the weight of the human body is concentrated at the buttocks or the thighs for a long time, fatigue and ache is avoided, meanwhile, the multi-section backrest supporting sheets 7 are in one-to-one correspondence with the backbone bones of the human body, the head rest 8 is fully attached to the back of the human body, the head rest 8 supports the head of the user, and the correcting belt 9 can be bound in front of the chest of the user, the back of the occupant and the backrest support sheet 7 are mutually attached, so that the problem that the backrest support sheet 7 cannot be mutually attached due to incorrect sitting posture is prevented.
According to the sectional adjusting type ergonomic chair provided by the invention, the seat is used as a substrate to support the whole chair, and the seat cushion is connected with the seat base through the balance rotating shaft, so that the seat cushion can tilt forwards and backwards through the balance rotating shaft, the riding pressure is adjusted, the comfort level of the device is improved, meanwhile, the front and rear positions of the seat cushion can be adjusted through the seat base and the sliding grooves, the use flexibility and the applicability of the device are improved, meanwhile, the device is provided with a plurality of backrest support sheets for supporting the back, and each backrest support sheet can be adjusted through the backrest adjusting mechanism and the curvature adjusting mechanism so as to adapt to back curves of users with different sizes, and the comfort and the applicability of the device are improved.
It will be appreciated by persons skilled in the art that the foregoing discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure, including the claims, is limited to these examples, that the steps may be implemented in any order and that many other variations of the different aspects of the invention described above are present, and that combinations of features of the above embodiments or in different embodiments may be implemented within the spirit of the invention, which are not provided in detail for the sake of brevity.
Additionally, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures, in order to simplify the illustration and discussion, and so as not to obscure the invention. Furthermore, the devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may use the embodiments discussed.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769094.1A CN110464146B (en) | 2019-08-20 | 2019-08-20 | Sectional adjusting type ergonomic chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769094.1A CN110464146B (en) | 2019-08-20 | 2019-08-20 | Sectional adjusting type ergonomic chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110464146A CN110464146A (en) | 2019-11-19 |
| CN110464146B true CN110464146B (en) | 2025-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769094.1A Active CN110464146B (en) | 2019-08-20 | 2019-08-20 | Sectional adjusting type ergonomic chair |
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| Country | Link |
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| CN (1) | CN110464146B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213849652U (en) * | 2020-12-15 | 2021-08-03 | 韦振勇 | Seat backrest with good supporting effect |
Citations (2)
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|---|---|---|---|---|
| CN1277543A (en) * | 1997-10-24 | 2000-12-20 | 斯特尔凯斯公司 | Synchrotilt chair with adjustable seat, back and energy mechanism |
| CN210842259U (en) * | 2019-08-20 | 2020-06-26 | 李扬震 | Segmentation regulation formula ergonomic chair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2294635Y (en) * | 1997-05-08 | 1998-10-21 | 欣业企业股份有限公司 | Flexible support frame for chair back |
| US6250715B1 (en) * | 1998-01-21 | 2001-06-26 | Herman Miller, Inc. | Chair |
| CA2472070C (en) * | 2002-02-13 | 2010-03-16 | Herman Miller, Inc. | Tilt chair having a flexible back, adjustable armrests and adjustable seat depth, and methods for the use thereof |
| US7234775B2 (en) * | 2002-06-18 | 2007-06-26 | Hector Serber | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method |
| TWM251527U (en) * | 2004-01-15 | 2004-12-01 | Oasyschair Co Ltd | Mechanism for adjustably positioning seat relative to backrest of chair |
| JP5164997B2 (en) * | 2007-01-29 | 2013-03-21 | ハーマン、ミラー、インコーポレイテッド | Seating structure |
| CN201414599Y (en) * | 2007-09-18 | 2010-03-03 | 卢顺接 | Chair back support component |
| JP2013528101A (en) * | 2010-06-11 | 2013-07-08 | ヨンホ パク | Chair |
| TWM394748U (en) * | 2010-07-28 | 2010-12-21 | chang-zhen Lin | Rocking chair |
| US8740303B2 (en) * | 2012-06-22 | 2014-06-03 | Michael V. Halliday | Customizable chair with multipoint adjustment |
| CN205963510U (en) * | 2016-06-04 | 2017-02-22 | 哈尔滨恺尼斯健康乐动科技发展有限公司 | Recovered and healthy special chair |
| CN208624987U (en) * | 2018-02-07 | 2019-03-22 | 吴耀全 | Seat back buffer mechanism |
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2019
- 2019-08-20 CN CN201910769094.1A patent/CN110464146B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277543A (en) * | 1997-10-24 | 2000-12-20 | 斯特尔凯斯公司 | Synchrotilt chair with adjustable seat, back and energy mechanism |
| CN210842259U (en) * | 2019-08-20 | 2020-06-26 | 李扬震 | Segmentation regulation formula ergonomic chair |
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| Publication number | Publication date |
|---|---|
| CN110464146A (en) | 2019-11-19 |
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Effective date of registration: 20250117 Address after: 231300 Wudi Esports Chair Factory at the intersection of Gucheng North Road and Gonglin Road, Shucheng County Development Zone, Lu'an City, Anhui Province Applicant after: Shucheng Wujia Furniture Technology Co.,Ltd. Country or region after: China Address before: No. 283 Jiepai Village Committee Jiepai, Zhaoji Township, Taihe County, Fuyang City, Anhui Province, China 236000 Applicant before: Li Yangzhen Country or region before: China |
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