CN113475884B - Comfortable adjustable ergonomic office chair - Google Patents
Comfortable adjustable ergonomic office chair Download PDFInfo
- Publication number
- CN113475884B CN113475884B CN202110924300.9A CN202110924300A CN113475884B CN 113475884 B CN113475884 B CN 113475884B CN 202110924300 A CN202110924300 A CN 202110924300A CN 113475884 B CN113475884 B CN 113475884B
- Authority
- CN
- China
- Prior art keywords
- seat
- rod
- office chair
- chair
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- 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
- A47C7/025—Springs not otherwise provided for in A47C7/22 - A47C7/35
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to an office chair, in particular to a comfortable and adjustable ergonomic office chair which comprises a supporting part, a chair seat part and a backrest part, wherein the supporting part comprises a supporting leg with a steering wheel, a supporting connecting rod extending forwards and upwards is arranged at the top of the supporting leg, the front end of the supporting connecting rod is rotatably connected with the chair seat part, the tail end of the supporting connecting rod is provided with a stable structure, and the position of the office chair is fixed by receiving the downward pressure of the chair seat part. According to the technical scheme, the seat part is rotatably mounted, the stable structure is arranged, when a user sits on the seat part, the seat part acts on the stable structure, downward force is applied to the stable structure, the stable structure is pressed downwards to be in contact with the ground, at the moment, the office chair cannot move through the universal wheels, and the office chair is provided with a fixed position, so that the office chair cannot move accidentally, the stability of the office chair in use is enhanced, and the risk of injury of the user is reduced.
Description
Technical Field
The invention relates to an office chair, in particular to a comfortable and adjustable ergonomic office chair.
Background
In the prior art, the requirement on the comfort of office chairs is higher and higher, the requirement on the multifunction of office chairs is also higher and higher, and the functional requirements such as forward and backward leaning, chair seat adjustment, chair back adjustment and the like are higher and higher.
For example, the angle-adjustable massage type office chair disclosed in the Chinese utility model with publication number CN210095186U in 21.02/2020 comprises a cushion plate, the front parts of the two sides of the backing plate are respectively welded with a handrail support, the top of the backing plate and one side far away from the handrail support are provided with a fixing plate, one end of the fixing plate far away from the handrail support is movably connected with one end of the top of the backing plate through a moving part, a back plate is arranged at the top of the fixed plate, a back panel is arranged on the back plate and at one side corresponding to the handrail support, a cavity is formed between the back panel and the back plate, wherein, the backplate is the cavity structure, install massage device in the backplate, just massage device run through in the backplate extends to in the cavity with back panel looks adaptation, wherein, in the backing plate and correspond one side of fixed plate is equipped with the cavity. Has the advantages that: convenient to use is favorable to carrying out effectual massage to human back to, conveniently adjust the angle of backplate, improve the travelling comfort.
For example, the chinese patent application with publication number CN109349844A discloses an office chair suitable for sedentary, which comprises an office chair body, a fixed rod fixed at the bottom of the office chair body, a supporting leg fixed at the end of the fixed rod far away from the bottom of the office chair body, a moving wheel arranged at the middle part of the supporting leg far away from the fixed rod, and a bearing rod fixedly connected to the top of the inner side of the armrest and located at the left and right sides of the office chair body. This office chair suitable for family of sitting uses for a long time through the combination of slider and spout, effectively adjusts the distance between backup plate and the seat of office chair body, makes office chair body be applicable to different users' high demand, the effectual practicality that has improved equipment, and the combination through clamping screw and spacing loop bar carries out effectual fixing to the adjustment structure simultaneously, has further improved the stability of equipment in the work.
The office chair in the prior art also brings some new problems when pursuing comfort and multifunctionalization: first, these office chairs are complicated in structure, not only are the costs high, but also are prone to failure, and have the following problems: secondly, in order to facilitate the movement of the office chair, the prior office chair is provided with universal wheels on the chair legs, which causes poor stability and even causes the injury of the chair user. In addition, the office chair is mostly used for working at desk, the center of gravity is close to the front, the chair legs of the existing office chair are positioned in the middle of the bottom of the chair seat, and after the office chair is used for a long time, local deformation is easy to occur between the chair seat and the chair legs, so that the service life of the office chair is influenced.
Disclosure of Invention
The invention aims to provide a comfortable and adjustable ergonomic office chair, which simplifies the structure and has the function of stabilizing the position of the office chair in the using process.
The invention adopts the following technical scheme:
the utility model provides a comfortable adjustable ergonomic office chair, includes supporting component, seat support part and back part, wherein, the supporting component is provided with the support connecting rod that extends to the upper front including the supporting leg that has the directive wheel, by the top of supporting leg, the front end of supporting the connecting rod rotates and connects the seat support part, the end of supporting the connecting rod is provided with stable structure, and the fixing of office chair position is realized through receiving the decurrent pressure of seat support part.
According to the technical scheme, the seat part is rotatably mounted, the stable structure is arranged, when a user sits on the seat part, the seat part acts on the stable structure, downward force is applied to the stable structure, the stable structure is pressed downwards to be in contact with the ground, at the moment, the office chair cannot move through the universal wheels, and the office chair is provided with a fixed position, so that the office chair cannot move accidentally, the stability of the office chair in use is enhanced, and the risk of injury of the user is reduced.
On the other hand, the support point of the seat component moves forwards, so that the chair is particularly suitable for users with the front working gravity center at the front of an office desk, and the defect that the support point of the existing office chair is positioned in the middle of the bottom of the seat, so that the local deformation occurs between the seat and the chair legs after long-time use is overcome.
Moreover, reuse user uses the office chair in-process, and stable structure provides stable office chair on the one hand, prevents its unexpected removal, and on the other hand still provides the second strong point for the seat support part, has strengthened the support effect.
Preferably, the support legs include a left support leg and a right support leg, the left support leg and the right support leg are connected by a cross bar, and the left support leg and the right support leg each include a front leg extending to the front of the seat component and a rear leg extending to the rear of the seat component. The supporting leg is arranged with the mode of controlling, and the setting of cooperation stable structure, the support range of seat support part is wider, and is more comprehensive, has the stabilizer bar of intermediate position, has supporting leg all around again for office chair stability and security are all better.
As a further preferable mode of the above scheme, a connecting disc is arranged in the middle of the cross bar, the connecting disc is connected with the supporting connecting rod, and the stabilizing structure penetrates through the connecting disc.
Through increasing the connection pad structure, stable structure passes the connection pad setting for the stable structure who reciprocates is more steady.
As a further preferable mode of the above aspect, the stabilizing structure includes a stabilizer bar, a top end of the stabilizer bar is provided with a force receiving plate that receives a pressure from the seat member, a bottom end of the stabilizer bar is provided with a stabilizing base plate, the stabilizing base plate is separated from the ground when the stabilizing structure is in the initial position, and the stabilizing base plate is in contact with the ground when the stabilizing structure is in the stable position.
As a further preferable mode of the above aspect, a through hole through which the stabilizer bar passes is provided in a middle position of the connecting disc, a built-in connecting groove communicated with the through hole is provided in the connecting disc, an expanded section is provided in a middle portion of the stabilizer bar, the expanded section is disposed in the built-in connecting groove, and a thickness of the expanded section is smaller than a thickness of the built-in connecting groove.
As a further preferable mode of the above aspect, a thickness of the enlarged section is 1/6 to 1/2 of the built-in coupling groove.
As a further preferable mode of the above aspect, the stabilizer bar is sleeved with a return spring, and the return spring is located in the built-in connecting groove and between the lower surface of the expansion section and the lower wall of the built-in connecting groove. After the user leaves the seat part, the stabilizing structure is returned to the position in which the stabilizing chassis is free from the ground by means of the return spring.
As a further preferable mode of the above aspect, the stabilizer bar is further sleeved with a buffer spring, and the buffer spring is located in the built-in connection groove and is interposed between an upper surface of the expanded section and an upper wall of the built-in connection groove. The stabilizer bar is matched with a return spring for use, and the return of the stabilizer bar is stable.
As a further preference of the above solution, the stabilizing chassis is made of a material such as rubber, plastic or the like having a certain cushioning and wear resistance.
In a further preferred embodiment of the present invention, the support link has a left-right extending attachment rod at a front end thereof, and the seat member is pivotally attached to the support link by the attachment rod.
Preferably, the installation rod is provided with a limit part extending forwards, so that when the maximum limit position that the seat component can be overturned forwards is limited, the seat surface of the seat component is approximately horizontal, and the accident of a user caused by the fact that the seat component is overturned excessively is prevented.
In a further preferred embodiment of the present invention, the front legs and the rear legs are located within a vertical projection of the seat member.
Further preferably, the front leg is spaced apart from the front end of the seat member by a distance not exceeding 1/5 in the vertical direction and the rear leg is spaced apart from the rear end of the seat member by a distance not exceeding 1/5 in the vertical direction.
As a further preferable mode of the above aspect, the front leg is flush with a front end of the seat member in the vertical direction, and the rear leg is flush with a rear end of the seat member in the vertical direction.
By implementing the technical scheme, the invention has the following beneficial effects:
the chair seat component is in the front of the supporting point and is rotatably arranged, and the stable structure is matched, so that the defect that the supporting point of the conventional office chair is positioned in the middle of the bottom of the chair seat to cause local deformation between the chair seat and the chair legs after long-time use is overcome, the chair seat is more suitable for users with the front working gravity center in front of an office table, the risk of accidental movement of the office chair is reduced, and the stability and the safety are improved.
Drawings
FIG. 1 is a schematic perspective view of an office chair according to an embodiment of the present invention;
FIG. 2 is a schematic view of a sleeve structure of a seat member of the office chair of the present invention;
FIG. 3 is a schematic structural view of a mounting bar of the office chair of the present invention;
FIG. 4 is a schematic perspective view of an office chair according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a stabilizing structure for an office chair according to another embodiment of the present invention;
FIG. 6 is a schematic view of the connection between the stabilizing structure and the connecting plate of an office chair according to another embodiment of the present invention;
fig. 7 is a schematic view of the connection between the stabilizing structure and the connecting plate of an office chair according to another embodiment of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the drawings and exemplary embodiments.
It should be noted that the following embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Example 1:
referring to fig. 1-3, a comfortable and adjustable ergonomic office chair includes a support member 10, a seat member 20, and a back member 30. The seat member 20 and back member 30 are implemented using the seat and back of a conventional office chair, as shown in fig. 1, without further modification in this embodiment. The present embodiment is mainly improved by the support member 10 to reduce the problem of serious local abrasion of the chair caused by the user whose working center of gravity is forward in front of the desk, and at the same time, to increase the function that the office chair cannot move when the user is seated, and to reduce the accidental movement of the chair. Specifically, the support part 10 comprises a support leg 11 with a steering wheel 11a, a support connecting rod 12 extending forwards and upwards is arranged at the top of the support leg 11, and the front end of the support connecting rod 12 is rotatably connected with the seat part 20, so that the support point of the seat part 20 is designed to adapt to the use state of a long-term working user at a desk. The front end of the support link 12 has a mounting rod 12a extending left and right, and the bottom surface of the front portion of the seat member 20 is provided with a sleeve 20a rotatably fitted over the mounting rod 12a, as shown in fig. 2, so that the seat member 20 can rotate about the mounting rod 12 a. The installation rod 12a is fixedly provided with a limiting member 12b extending forward, as shown in fig. 3, the limiting member 12b may be integrated with the installation rod 12a, or may be separately designed, and the rear surfaces thereof are fixedly connected together. When the limiting member 12b limits the maximum position at which the seat member 20 can be tilted forward, the seat surface of the seat member 20 is in an approximately horizontal position, thereby preventing the seat member 20 from being tilted excessively to cause an accident to the user.
The end of the support connecting rod 12 is provided with a stabilizing structure 13, the stabilizing structure is a stabilizer bar, the top end of the stabilizer bar is connected with the seat component, the end of the support connecting rod is fixed with a limiting ring 12c, the stabilizer bar passes through the limiting ring, and when no user sits on the chair, the seat component 20 rotates around the mounting rod 12a, so that the stabilizer bar is lifted along with the limiting ring. When a user sits on the seat component, downward pressure is generated and acts on the stabilizer bar, the stabilizer bar moves downwards, and the bottom of the stabilizer bar is contacted with the ground, so that the position of the office chair is fixed. Further, when the user sits on the seat member, the stabilizer also serves as a support member for supporting the seat member and assisting in supporting the link. When the chair needs to be moved, the seat part 20 only needs to be slightly rotated around the mounting rod 12a to tilt forwards, the stabilizing rod is lifted to be separated from the ground, and the steering wheel 11a can be released.
Example 2:
a comfortable adjustable ergonomic office chair comprises a support member 10, a seat member 20 and a back member 30. The seat member 20 and back member 30 are implemented using the seat and back of an existing office chair and are not further modified in this embodiment. The present embodiment is mainly improved by the support member 10 to reduce the problem of serious local abrasion of the chair caused by the user whose working center of gravity is forward in front of the desk, and at the same time, to increase the function that the office chair cannot move when the user is seated, and to reduce the accidental movement of the chair. Specifically, the support part 10 comprises a support leg 11 with a steering wheel 11a, a support connecting rod 12 extending forwards and upwards is arranged at the top of the support leg 11, and the front end of the support connecting rod 12 is rotatably connected with the seat part 20, so that the support point of the seat part 20 is designed to adapt to the use state of a long-term working user at a desk. The front end of the support link 12 has a mounting rod 12a extending left and right, and the bottom surface of the front portion of the seat member 20 is provided with a sleeve 20a rotatably fitted over the mounting rod 12a so that the seat member 20 can rotate about the mounting rod 12 a.
In the present embodiment, as shown in fig. 4, the support legs 11 are arranged in the left-right direction, and include a left support leg 111 and a right support leg 112, the left and right support legs are connected by a cross bar 40, and each of the left and right support legs includes a front leg extending to the front of the seat member 20 and a rear leg extending to the rear of the seat member. The supporting leg is arranged with the mode of controlling, and the setting of cooperation stable structure, the support range of seat support part is wider, and is more comprehensive, has the stabilizer bar of intermediate position, has supporting leg all around again for office chair stability and security are all better.
In this embodiment, a connecting plate 50 is fixedly disposed in the middle of the cross bar 40, and the connecting plate 50 is fixedly connected to the support connecting rod 12. The stabilizing structure 13 includes a stabilizing rod passing through the connecting plate 50. As shown in fig. 5, the top end of the stabilizer bar is provided with a force receiving plate 13a receiving a pressure from the seat member, and the bottom end of the stabilizer bar is provided with a stabilizing bottom plate 13b made of a material having a certain cushioning and wear resistance, such as rubber, plastic or the like. When the stabilizing structure is in the initial position, the stabilizing chassis is disengaged from the ground, and when the stabilizing structure is in the stable position, the stabilizing chassis is in contact with the ground.
Specifically, in the present embodiment, as shown in fig. 6, a through hole through which a stabilizer bar passes is provided at a middle position of the connecting disc 50, an internal connecting groove 50a communicating with the through hole is provided in the connecting disc 50, an expanded section 13c is provided at a middle portion of the stabilizer bar, the expanded section 13c is disposed in the internal connecting groove 50a, and a thickness of the expanded section 13c is smaller than a thickness of the internal connecting groove 50a, which is a thickness 1/6 to 1/2 of the internal connecting groove 50a, and in the present embodiment, is preferably 1/4 of the thickness of the internal connecting groove, where the thickness refers to a thickness in a vertical direction.
Example 3:
in this embodiment, a further improvement is made on the basis of embodiment 2, as shown in fig. 7, a return spring 60a is sleeved on the stabilizer bar, and is located in the built-in connecting groove 50a and between the lower surface of the expanded section 13c and the lower wall of the built-in connecting groove 50 a. After the user has left the seat member, the stabilizing structure is returned to the position in which the stabilizing chassis is clear of the ground by means of the return spring 60 a.
As a further preferable mode of the above configuration, the stabilizer bar is further sleeved with a buffer spring 60b, which is located inside the built-in coupling groove 50a and is interposed between an upper surface of the expanded section 13c and an upper wall of the built-in coupling groove 50 a. The stabilizer bar is matched with a return spring 60a for use, and the stabilizer bar is stable in return.
Example 4:
this embodiment is further improved over embodiment 2 in that the front legs and the rear legs are located in a vertical projection of the seat member. The front legs are vertically spaced from the front end of the seat member by a distance not exceeding 1/5 the fore-aft length of the seat member, and the rear legs are vertically spaced from the rear end of the seat member by a distance not exceeding 1/5 the fore-aft length of the seat member. Or the front legs are flush with the front end of the seat component in the vertical direction, and the rear legs are flush with the rear end of the seat component in the vertical direction.
Claims (5)
1. A comfortable and adjustable ergonomic office chair, which is suitable for users with a working gravity center in front of an office table, comprises a supporting part, a seat part and a backrest part, and is characterized in that the supporting part comprises a supporting leg with a steering wheel and an inclined supporting connecting rod;
the inclined support connecting rod extends upwards and forwards from the top of the support leg; the upper front end of the inclined support connecting rod is provided with a mounting rod extending left and right, and the seat part is mounted on the inclined support connecting rod through the mounting rod in a pitching and rotating manner;
the lower tail end of the inclined support connecting rod is provided with a stable structure, and the position of the office chair is fixed by receiving the downward pressure of the chair seat part;
the stabilizing structure is a stabilizing rod, the top end of the stabilizing rod is connected with the seat component, a limiting ring (12 c) is fixed at the lower tail end of the inclined supporting connecting rod, and the stabilizing rod penetrates through the limiting ring (12 c);
the installation rod (12 a) is provided with forward-turning prevention limiting parts (12 b) extending forwards, the forward-turning prevention limiting parts (12 b) are of a trapezoidal frame structure, two ends of each forward-turning prevention limiting part are arranged at the left end and the right end of the installation rod (12 a), the forward-turning prevention limiting parts (12 b) and the installation rod (12 a) are of an integrated structure, when the forward-turning prevention limiting parts (12 b) limit the maximum position of the seat component (20) capable of turning forwards, the seat surface of the seat component (20) is approximately in a horizontal position, and the seat component (20) is prevented from turning over excessively to cause accidents of a user;
the adjusting method of the office chair comprises the following steps:
when no user is seated on the chair, the stabilizing bar is lifted along with the seat member (20) rotating about the mounting bar (12 a);
when a user sits on the seat component, downward pressure is generated and acts on the stabilizer bar, the stabilizer bar moves downwards, and the bottom of the stabilizer bar is in contact with the ground, so that the position of the office chair is fixed;
when a user sits on the seat component, the stabilizing component also serves as a supporting component to support the seat component and assist in supporting the connecting rod; when the chair needs to be moved, the chair seat part (20) only needs to be slightly rotated around the mounting rod (12 a) to tilt forwards, the stabilizing rod is lifted to be separated from the ground, and the steering wheel (11 a) can be released.
2. A comfortable and adjustable ergonomic office chair, which is suitable for users with a working gravity center in front of an office table, comprises a supporting part, a seat part and a backrest part, and is characterized in that the supporting part comprises a supporting leg with a steering wheel and an inclined supporting connecting rod;
the inclined support connecting rod extends upwards and forwards from the top of the support leg; the upper front end of the inclined support connecting rod is provided with a mounting rod extending left and right, and the seat part is mounted on the inclined support connecting rod through the mounting rod in a pitching and rotating manner;
the installation rod (12 a) is provided with forward-turning prevention limiting parts (12 b) extending forwards, the forward-turning prevention limiting parts (12 b) are of a trapezoidal frame structure, two ends of each forward-turning prevention limiting part are arranged at the left end and the right end of the installation rod (12 a), the forward-turning prevention limiting parts (12 b) and the installation rod (12 a) are of an integrated structure, when the forward-turning prevention limiting parts (12 b) limit the maximum position of the seat component (20) capable of turning forwards, the seat surface of the seat component (20) is approximately in a horizontal position, and the seat component (20) is prevented from turning over excessively to cause accidents of a user;
the lower tail end of the inclined support connecting rod is provided with a stable structure, and the position of the office chair is fixed by receiving the downward pressure of the chair seat part;
the supporting legs comprise a left supporting leg and a right supporting leg, the left supporting leg and the right supporting leg are connected through a cross rod (40), and the left supporting leg and the right supporting leg respectively comprise a front leg extending towards the front of the seat part and a rear leg extending towards the rear of the seat part;
a connecting disc (50) is arranged in the middle of the cross rod (40), the connecting disc (50) is connected with the inclined support connecting rod (12), and the stabilizing structure penetrates through the connecting disc;
the stabilizing structure comprises a stabilizer bar, the top end of the stabilizer bar is provided with a stressed disc for receiving pressure from the seat part, and the bottom end of the stabilizer bar is provided with a stabilizing chassis;
a through hole for the stabilizer bar to pass through is formed in the middle of the connecting disc, a built-in connecting groove communicated with the through hole is formed in the connecting disc, an expansion section is arranged in the middle of the stabilizer bar and is arranged in the built-in connecting groove, and the thickness of the expansion section is smaller than that of the built-in connecting groove;
the stabilizer bar is sleeved with a return spring, is positioned in the built-in connecting groove and is arranged between the lower surface of the expansion section and the lower wall of the built-in connecting groove.
3. The comfortable and adjustable ergonomic office chair of claim 2 wherein the thickness of said enlarged section is 1/6-1/2 of the thickness of said built-in attachment slot.
4. The comfortable and adjustable ergonomic office chair of claim 2 wherein said stabilizer bar is further sleeved with a cushioning spring, located within said internal attachment slot, between the upper surface of said enlarged section and the upper wall of said internal attachment slot.
5. A comfortable and adjustable ergonomic office chair as claimed in claim 2, wherein said front legs are vertically spaced from the front end of said seat member by a distance not exceeding 1/5 the fore-aft length of the seat member, and said rear legs are vertically spaced from the rear end of said seat member by a distance not exceeding 1/5 the fore-aft length of the seat member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924300.9A CN113475884B (en) | 2021-08-12 | 2021-08-12 | Comfortable adjustable ergonomic office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924300.9A CN113475884B (en) | 2021-08-12 | 2021-08-12 | Comfortable adjustable ergonomic office chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113475884A CN113475884A (en) | 2021-10-08 |
| CN113475884B true CN113475884B (en) | 2022-08-12 |
Family
ID=77945132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110924300.9A Active CN113475884B (en) | 2021-08-12 | 2021-08-12 | Comfortable adjustable ergonomic office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113475884B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190564A (en) * | 1996-10-14 | 1998-08-19 | 普洛托尼德公司 | Chair mechanism and pad coverings |
| CN109953532A (en) * | 2018-01-16 | 2019-07-02 | 永艺家具股份有限公司 | A kind of deep seat quickly adjusted of seat |
| CN111436784A (en) * | 2019-01-04 | 2020-07-24 | 霍沃思公司 | Adjustable ergonomic chair |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10106792A1 (en) * | 2001-02-12 | 2002-08-14 | Interstuhl Bueromoebel Gmbh | seating |
| DE10306851A1 (en) * | 2003-02-18 | 2004-08-26 | Dózsa-Farkas, Andras | Office chair has back rest which reclines about axis at ends of L-shaped levers mounted on its base, seat sliding forward in synchronization with back rest and axis maintaining constant position above seat |
| US20040189073A1 (en) * | 2003-03-28 | 2004-09-30 | Donald Chadwick | Adjustable chair |
| KR100747010B1 (en) * | 2007-03-20 | 2007-08-07 | (주)에리트퍼니처 | Structure of leg for swivel chair |
| TWM483731U (en) * | 2013-12-31 | 2014-08-11 | Yong-Hua Chen | Office chair |
| JP6726441B2 (en) * | 2016-08-09 | 2020-07-22 | タカノ株式会社 | Chair leg structure |
| EP3476254B1 (en) * | 2017-10-25 | 2021-06-09 | EB-invent GmbH | Seating furniture, in particular an office chair |
| KR102130324B1 (en) * | 2019-11-15 | 2020-07-06 | 주식회사 다원체어스 | Assembly and chair with the same |
| CN111481003A (en) * | 2020-05-07 | 2020-08-04 | 恒林家居股份有限公司 | Chair and rocking chair leg thereof |
-
2021
- 2021-08-12 CN CN202110924300.9A patent/CN113475884B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190564A (en) * | 1996-10-14 | 1998-08-19 | 普洛托尼德公司 | Chair mechanism and pad coverings |
| CN109953532A (en) * | 2018-01-16 | 2019-07-02 | 永艺家具股份有限公司 | A kind of deep seat quickly adjusted of seat |
| CN111436784A (en) * | 2019-01-04 | 2020-07-24 | 霍沃思公司 | Adjustable ergonomic chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113475884A (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5171063A (en) | Helm chair | |
| EP0572504B1 (en) | Ergonomically improved chair or armchair | |
| US10058180B2 (en) | Chair, in particular office chair | |
| US20080231095A1 (en) | Chair | |
| US20090115149A1 (en) | Dynamic balancing personal vehicle | |
| JPS5929244B2 (en) | adjustable back chair | |
| CN213820632U (en) | Chair | |
| CN113331622B (en) | Office chair with self-adaptive back-leaning and overturning chair back | |
| CN113475884B (en) | Comfortable adjustable ergonomic office chair | |
| KR101105316B1 (en) | Chair having back of chair with variable | |
| CN113331620B (en) | Adjustable office chair for working on table | |
| CN113768310B (en) | High-bearing comfortable leisure chair | |
| CN212630357U (en) | Limiting mechanism of chair for sitting and standing | |
| CN211722474U (en) | Chair frame | |
| CN113317648B (en) | Comfortable office chair capable of being loosened | |
| CN220832434U (en) | Office chair with double back frames | |
| CN220756977U (en) | Chair and tray thereof | |
| CN212787986U (en) | Novel office swivel chair mechanism | |
| CN211560747U (en) | Backrest structure of four-wheel vehicle | |
| CN220212410U (en) | Supporting mechanism of sitting and standing chair and chair | |
| CN218635619U (en) | Chair for sitting and standing for supporting sitting posture and standing posture | |
| CN218551849U (en) | Dynamic ergonomic chair | |
| CN221752173U (en) | Lazy people's car seat and lazy people's car | |
| CN220369739U (en) | Office chair with seat-back linkage structure | |
| CN217065800U (en) | Chair with detachable top |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |