CN108294516A - A kind of office chair - Google Patents
A kind of office chair Download PDFInfo
- Publication number
- CN108294516A CN108294516A CN201810074923.XA CN201810074923A CN108294516A CN 108294516 A CN108294516 A CN 108294516A CN 201810074923 A CN201810074923 A CN 201810074923A CN 108294516 A CN108294516 A CN 108294516A
- Authority
- CN
- China
- Prior art keywords
- seat portion
- rest portions
- user
- office chair
- seat
- 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.)
- Granted
Links
- 230000008859 change Effects 0.000 abstract description 5
- 230000000284 resting effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
- A47C9/02—Office stools not provided for in main groups A47C1/00, A47C3/00 or A47C7/00; Workshop stools
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/48—Support for the head or the back for the back of freely-rotatable type
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Finger-Pressure Massage (AREA)
Abstract
The invention discloses a kind of office chairs, include pressing the seat portion sat for user, be used to support the rest portions at user back and being used to support the support portion of seat portion, the elastic parts that the connection component for making rest portions ball be connected to seat portion is equipped between the rest portions and seat portion and rest portions is made to reset.When user is sitting in seat portion, and after resting in rest portions, if user back tilts, to rest portions, there are one drives at user back, so that rest portions is rotated relative to seat portion, follows user back to move together, and then make under normal circumstances, rest portions can provide dependence power for user always, improve usage comfort.Simultaneously because rest portions ball is connected to seat portion, therefore rest portions can also follow needed for user and back to change the force of rest portions with respect to the inclination angle of seat portion, it is made more to meet the use habit of each user.
Description
Technical field
The present invention relates to technical field of furniture, and in particular to a kind of office chair.
Background technology
Chair is as life, the essential life tool of working environment at home, and not only life uses chair at home
There is more and more high comfort requirement, even working environment also has the comfort of chair and operability under the premise of working efficiency
It is obviously improved requirement, the chair back of general chair all has reclining function at present, and can be locked to the chair back in specific position.
Such as application No. is the patents of CN201320693625.1, and which disclose a kind of pallet locking structure, the lockings
Structure is suitable for chair and front and back stir adjusts the stepless reclining of realization.The locking structure includes pallet, and the pallet includes fixed
Disk, the Moving plate for being articulated with the price fixing and being fixedly connected with the seat are hingedly connected to the price fixing and Moving plate and are fixedly connected
In the mounting disc of the chair back, for making the price fixing and the Moving plate be relatively fixed or convenient for generating the adjusting of relative angular displacement
Structure.
The adjustment structure includes being fixed on the price fixing and one end there is the lock tube of baffle ring, one end to be equipped with catch and be located at
In the lock tube and the other end is located at guide shaft outside the lock tube, is fixed on the limit that the guide shaft is located at the lock tube outer portion
Piece, the spring between the baffle ring and catch are articulated with the lock tube and tool is there are two intersecting and can act on the gear
The resistance surface one and resistance surface two of piece, can be by by artificially extreme direction is stirred to switch current conflict before and after the seat
In the resistance surface of the catch control stick, be hingedly connected to the Moving plate and the guide shaft and can be clamped or loose in institute
State the slide plate between banking stop and the lock tube.
The resistance surface one, the lock tube are more than the resistance surface two, institute with control stick hinged place at a distance between the two
State lock tube and control stick hinged place between the two at a distance from；The slide plate, which is equipped with, can make the slide plate with respect to guide shaft or Moving plate
Generate the sliding slot one along the slide plate length direction displacement.
By to being stirred before and after control stick, to realize the switching of resistance surface one and resistance surface two, spring realization being made to stretch
Contracting to push the movement of guide shaft, and then is realized the compression to slide plate and is loosened.When spring is in relaxed state, at slide plate
In relaxation state, Moving plate can artificially be made to relatively rotate in price fixing, to adjust the angle of inclination of seat.It is in compression shape in spring
When state, slide plate is compacted, and then keeps Moving plate locked.
But present chair can only do the reclining of front and rear angles, can not be to make well when user's body inclination
User, which provides, leans on power, causes usage comfort poor.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of office chair, rest portions can be with making
User's body inclination and tilt, allow user back to be supported always, so improve comfort.
To achieve the above object, the present invention provides following technical solutions：
A kind of office chair includes pressing the seat portion sat for user, being used to support the rest portions at user back and for branch
The support portion for supportting seat portion is equipped with the connection component for making rest portions ball be connected to seat portion and makes between the rest portions and seat portion
The elastic parts that rest portions reset.
By using above-mentioned technical proposal, when user is sitting in seat portion, and after resting in rest portions, if user carries on the back
Portion tilts, and to rest portions, there are one drives at user back, so that rest portions is rotated relative to seat portion, follow user back one
Movement is played, and then is made under normal circumstances, rest portions can provide dependence power for user always, improve usage comfort.While by
It is connected to seat portion in rest portions ball, therefore rest portions can also be followed needed for user with respect to the inclination angle of seat portion and back is to rest portions
Force change, so that it is more met the use habit of each user.
The further setting of the present invention is：The connection component includes spherojoint and offers the connecting seat of ball groove, described
Spherojoint is embedded in ball groove and universal rotational is in ball groove.
Keep rest portions more preferable to make rest portions universal rotational be connected to seat portion by using above-mentioned technical proposal
With user back move and move, raising usage comfort.
The further setting of the present invention is：The spherojoint is fixedly installed in rest portions lower face or seat portion upper surface.
By using above-mentioned technical proposal, to keep rest portions more preferable with respect to the tiltable angle of seat portion, rest portions can
Opposite seat portion is almost parallel, so as to use the seat portion as chaise longue, expands its scope of application.
The further setting of the present invention is：The spherojoint is fixedly installed in rest portions towards seat portion side or back to seat
Chair portion side.
By using above-mentioned technical proposal, to when installing elastic parts, need to only elastic parts be made to be parallel to spherojoint
, easy for installation.And make rest portions that can only rotate in a certain range, the excessive hypsokinesis of user is reduced, people's center of gravity is caused
Unstable situation occurs.
The further setting of the present invention is：The elastic parts includes connecting rod and the resilient sleeve that is sheathed on outside connecting rod；
When rest portions are rotated relative to seat portion, the connecting rod both ends are connected to rest portions and seat portion, and the resilient sleeve
Both ends are connected to rest portions and seat portion respectively.
By using above-mentioned technical proposal, when rest portions are moved with respect to seat portion, resilient sleeve deformation savings potential energy works as use
When rest portions are left at person and back, the elastic potential energy of resilient sleeve is converted into the driving force to rest portions, and rest portions is made to reset.To the greatest extent may be used
Energy makes rest portions be in initially set position, gives one reference of user, keeps its sitting posture more accurate.Simultaneously because leaning on
Resilient sleeve has it certain resistance when relying part rotates, therefore it is more steady that rest portions can be made to rotate, and it is unexpected to reduce rest portions
The generation of phenomena such as hypsokinesis.
The further setting of the present invention is：The connecting rod threaded one end is connected to rest portions and the other end penetrates seat portion
Interior, the connecting rod penetrates one end in seat portion and is equipped with flexible block, and the seat portion is equipped with for preventing flexible block from leaving seat
The holding tank in portion, the flexible block are embedded in holding tank and are slidably connected to holding tank.
By using above-mentioned technical proposal, there are one position-limiting actions to flexible block for holding tank, and then ensure that connecting rod can be
Rest portions are connected in rest portions always with respect in seat portion rotation process, and then it is due to make resilient sleeve that can play its
Reset and cushioning effect.
The further setting of the present invention is：It is equipped between the rest portions and seat portion for making rest portions with respect to seat portion
Fixed fixing piece.
It, can be by solid if need to sleep or have found oneself sitting posture most comfortable position by using above-mentioned technical proposal
Determine part to fix, rest portions is made to be fixed with respect to seat portion, and then reduces the phenomenon that causing rest portions to rotate due to maloperation.
Allow what user can more stablize to be maintained at comfortable sitting posture.
The further setting of the present invention is：The fixing piece is to push against bolt, and the abutting bolt is located at connecting seat side
And it is radially threadedly connected to connecting seat along ball groove, when the abutting bolt pushes against spherojoint, the rest portions are with respect to seat portion
It is fixed.
Abutting bolt is set to push against spherojoint, and then increase by screwing abutting bolt by using above-mentioned technical proposal
Spherojoint required power overcome when being rotated relative to connecting seat, and then spherojoint is made to be fixed with respect to connecting seat, make rest portions with respect to seat
Chair portion is fixed.When rest portions need to be made to shift one's position with user's sitting posture, it need to only unscrew and push against bolt.
The further setting of the present invention is：The rest portions are formed towards seat portion side in recess setting to be made for wrapping up
The groove at user back.
By using above-mentioned technical proposal, when in use, user entirely can be absorbed in back in groove, and then make its back of the body
Portion is preferably supported and is leaned on support.It, also can be to driving there are one recess sidewalls when user's sitting posture variation simultaneously, back tilt
Power makes rest portions preferably change as the bearing of user changes, improves its usage comfort.
The further setting of the present invention is：The rest portions both sides are equipped with the limit for limiting user's shoulder position
Block.
It, can be to driving there are one limited blocks when the variation of user's sitting posture, back tilt by using above-mentioned technical proposal
Power makes rest portions preferably change as the bearing of user changes, improves its usage comfort.
The present invention has the following advantages：1, rest portions can change with user's sitting posture and opposite seat portion rotates,
Dependence power is provided for user back always as far as possible, improves usage comfort；2, rest portions can be fixed with respect to seat portion, is subtracted
It is small to lead to the sitting posture that user loses the most comfortable due to maloperation.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the side view of embodiment one；
Fig. 3 is the partial schematic diagram at one connection component of embodiment；
Fig. 4 is the side view of embodiment two；
Fig. 5 is the partial schematic diagram at two connection component of embodiment；
Fig. 6 is the partial schematic diagram at three connection component of embodiment.
Reference numeral：1, seat portion；2, rest portions；3, support portion；4, connection component；5, spherojoint；6, connecting seat；7, ball
Slot；8, elastic parts；9, connecting rod；10, flexible block；11, holding tank；12, resilient sleeve；13, groove；14, limited block；15, pacify
Fill seat；16, fixing piece；17, bolt is pushed against.
Specific implementation mode
With reference to attached drawing, the present invention will be further described.
Embodiment one：
As shown in Figure 1, a kind of office chair, includes the dependence pressed the seat portion 1 sat for user, be used to support user back
Portion 2 and the support portion 3 for being used to support seat portion 1.
As shown in Fig. 2, in order to improve the usage comfort of the office chair, connection group is equipped between rest portions 2 and seat portion 1
Part 4, connection component 4 can make 2 ball of rest portions be connected to seat portion 1.As shown in figure 3, connection component 4 includes spherojoint 5 and connecting seat
6, connecting seat 6 is fixedly installed in 2 lower face of rest portions, and side side offers ball groove 7 to connecting seat 6 downward.Spherojoint 5 is embedded
In ball groove 7 and universal rotational is connected to ball groove 7, and spherojoint 5 is fixedly installed in 1 upper surface of seat portion far from 2 one end of rest portions.
User back during exercise, can be to active force there are one rest portions 2, and then makes rest portions 2 as user carries on the back
The variation of portion's posture and relative to seat portion 1 rotate, making user back always has the support of rest portions 2.
As shown in figure 3, rest portions 2 are reset to best sitting posture for convenience, bullet is equipped between rest portions 2 and seat portion 1
Property component 8.Elastic parts 8 includes connecting rod 9 and the resilient sleeve 12 being sheathed on outside connecting rod 9.9 threaded one end of connecting rod is connected to
Rest portions 2 and the other end penetrate in seat portion 1.Connecting rod 9 penetrates one end in seat portion 1 and is equipped with flexible block 10, and seat portion 1 is equipped with
For preventing flexible block 10 from leaving the holding tank 11 of seat portion 1, flexible block 10 is embedded in holding tank 11 and is slidably connected to appearance
Receive slot 11.Resilient sleeve 12 is sheathed on outside connecting rod 9, and 12 both ends of resilient sleeve are connected to rest portions 2 and seat portion 1 respectively.
As shown in Figure 1, in order to make rest portions 2 that can be preferably servo-actuated, rest portions 2 with the variation of user back position
It is arranged towards 1 side of seat portion in recess, forms the groove 13 for wrapping up user back.2 both sides of rest portions are all provided with useful
In the limited block 14 of limit user's shoulder position.
The use principle of the office chair is as follows：
In routine use, user is sitting in seat portion 1, and back-resting is in rest portions 2；If the run-off the straight of user back
Or the action fallen backward is made, user back exerts a force to rest portions 2, makes rest portions 2 with respect to the rotation of seat portion 1, and then allow and make
Its back is supported always user in use, improves usage comfort.
When user need to improve sitting posture, seat timing can make back leave rest portions 2, rest portions 2 are in resilient sleeve 12 at this time
Effect is lower to be rotated relative to seat portion 1, resets to initially set position.One reference of user is given, user is allowed to be done at this
It can just be sat on public chair.
Embodiment two：
Embodiment two and embodiment one difference lies in：As shown in figure 4, seat portion 1 is equipped with mounting base close to 4 one end of connection component
15, mounting base 15 is L-shaped and is open towards seat portion 1.Rest portions 2 are located at mounting base 15 close to 1 side of seat portion.Such as Fig. 5 institutes
Showing, connection component 4 includes spherojoint 5 and connecting seat 6, and connecting seat 6 is fixedly installed in rest portions 2 towards 15 side of mounting base, and
Connecting seat 6 offers ball groove 7 towards 15 side side of mounting base.Spherojoint 5 is embedded in ball groove 7 and universal rotational is connected to ball
Slot 7, spherojoint 5 are fixedly installed in mounting base 15 with respect to 2 side of rest portions far from 2 one end of rest portions.
Embodiment three：
Embodiment three and embodiment one difference lies in：
As shown in fig. 6, causing rest portions 2 to be rotated relative to seat portion 1 due to maloperation in order to prevent, allowing user to lose most easypro
The sitting posture of clothes.Fixing piece 16 is equipped between rest portions 2 and seat portion 1, fixing piece 16 is to push against bolt 17.Bolt 17 is pushed against to be located at
6 side of connecting seat and connecting seat 6 is threadedly connected to along ball groove 7 is radial.Bolt 17 is pushed against when screwing, abutting bolt 17 is made to push against ball
When connector 5, rest portions 2 are fixed with respect to seat portion 1.
In actual use, rest portions 2 can be adjusted to the most comfortable position of oneself sitting posture, so by user according to demand
After tighten push against bolt 17, make rest portions 2 with respect to seat portion 1 fix.When adjusting most comfortable sitting posture, user is directly to lean on
Rest portions 2 are leaned against, most comfortable sitting posture can be accurately oriented, it is easy to adjust.If needing free sitting posture, allow rest portions 2 with
The back movement for user, then need to only unscrew and push against bolt 17.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of office chair includes pressing the seat portion sat for user（1）, be used to support the rest portions at user back（2）
Be used to support seat portion（1）Support portion（3）, it is characterized in that：The rest portions（2）And seat portion（1）Between be equipped with make to lean on
Relying part（2）Ball is connected to seat portion（1）Connection component（4）With make rest portions（2）The elastic parts of reset（8）.
2. a kind of office chair according to claim 1, it is characterized in that：The connection component（4）Including spherojoint（5）With open
Equipped with ball groove（7）Connecting seat（6）, the spherojoint（5）It is embedded at ball groove（7）Interior and universal rotational is in ball groove（7）.
3. a kind of office chair according to claim 2, it is characterized in that：The spherojoint（5）It is fixedly installed in rest portions（2）
Lower face or seat portion（1）Upper surface.
4. a kind of office chair according to claim 2, it is characterized in that：The spherojoint（5）It is fixedly installed in rest portions（2）
Towards seat portion（1）Side or back to seat portion（1）Side.
5. a kind of office chair according to claim 3, it is characterized in that：The elastic parts（8）Including connecting rod（9）And set
Set on connecting rod（9）Outer resilient sleeve（12）；In rest portions（2）Opposite seat portion（1）When rotation, the connecting rod（9）Both ends
It is connected to rest portions（2）And seat portion（1）, and the resilient sleeve（12）Both ends are connected to rest portions respectively（2）And seat
Portion（1）.
6. a kind of office chair according to claim 5, it is characterized in that：The connecting rod（9）Threaded one end is connected to dependence
Portion（2）And the other end penetrates seat portion（1）It is interior, the connecting rod（9）Penetrate seat portion（1）Interior one end is equipped with flexible block（10）,
The seat portion（1）Equipped with for preventing flexible block（10）Leave seat portion（1）Holding tank（11）, the flexible block（10）It is embedding
Set on holding tank（11）It is interior and be slidably connected to holding tank（11）.
7. a kind of office chair according to claim 6, it is characterized in that：The rest portions（2）And seat portion（1）Between be equipped with
For making rest portions（2）Opposite seat portion（1）Fixed fixing piece（16）.
8. a kind of office chair according to claim 7, it is characterized in that：The fixing piece（16）To push against bolt（17）, institute
State abutting bolt（17）Positioned at connecting seat（6）Side and along ball groove（7）Radial direction is threadedly connected to connecting seat（6）, when the abutting
Bolt（17）Push against spherojoint（5）When, the rest portions（2）Opposite seat portion（1）It is fixed.
9. a kind of office chair according to claim 1, it is characterized in that：The rest portions（2）Towards seat portion（1）Side is in
Recess setting forms the groove for wrapping up user back（13）.
10. a kind of office chair according to claim 9, it is characterized in that：The rest portions（2）Both sides are equipped with for limiting
The limited block of user's shoulder position（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074923.XA CN108294516B (en) | 2018-01-25 | 2018-01-25 | Office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074923.XA CN108294516B (en) | 2018-01-25 | 2018-01-25 | Office chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108294516A true CN108294516A (en) | 2018-07-20 |
| CN108294516B CN108294516B (en) | 2020-08-21 |
Family
ID=62866394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074923.XA Active CN108294516B (en) | 2018-01-25 | 2018-01-25 | Office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108294516B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3850989A1 (en) | 2020-01-16 | 2021-07-21 | Sitland S.P.A. | Chair structure with an elastically yielding backrest |
| CN115635201A (en) * | 2022-09-21 | 2023-01-24 | 奔腾激光科技(山东)有限公司 | Steel rail type ground beam laser cutting machine tool side guiding self-positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308538A1 (en) * | 1987-09-25 | 1989-03-29 | Christof Stoll GmbH & Co KG | Back support for a chair |
| JPH10313967A (en) * | 1997-05-22 | 1998-12-02 | Itoki Crebio Corp | Rocking intensity adjuster for chair |
| EP0935934A3 (en) * | 1998-02-12 | 2000-12-20 | Burkhard Vogtherr | Working chair |
| CN2623097Y (en) * | 2003-04-01 | 2004-07-07 | 塞杜斯·斯托尔股份公司 | Back of chair |
| CN201091371Y (en) * | 2007-06-09 | 2008-07-30 | 蔡国良 | Seat adjusting backrest inclination angle |
| CN201370314Y (en) * | 2009-01-22 | 2009-12-30 | 陈永华 | Adjuster for chair back variation angle |
| US20110233983A1 (en) * | 2010-03-27 | 2011-09-29 | Shunjie Lu | Chair with back-and-forth moving backrest |
| CN202842956U (en) * | 2012-10-10 | 2013-04-03 | 东莞市博一家具有限公司 | Elastic backrest structure and chair |
| CN103054366A (en) * | 2013-02-02 | 2013-04-24 | 谭干荣 | Seat |
| CN202950307U (en) * | 2012-09-26 | 2013-05-29 | 辛萍 | Therapeutic massage chair |
| CN105592752A (en) * | 2013-06-12 | 2016-05-18 | 史帝分·柏德贝克 | Chair (Ref. now to FIGS) |
| CN205306462U (en) * | 2015-12-09 | 2016-06-15 | 北京市丽日办公用品有限责任公司 | Chair |
| CN205432917U (en) * | 2015-12-25 | 2016-08-10 | 安吉县盛信办公家具有限公司 | Office chair |
| CN206434082U (en) * | 2016-08-25 | 2017-08-25 | 安吉县盛信办公家具有限公司 | A kind of adaptive backrest seat |
-
2018
- 2018-01-25 CN CN201810074923.XA patent/CN108294516B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308538A1 (en) * | 1987-09-25 | 1989-03-29 | Christof Stoll GmbH & Co KG | Back support for a chair |
| JPH10313967A (en) * | 1997-05-22 | 1998-12-02 | Itoki Crebio Corp | Rocking intensity adjuster for chair |
| EP0935934A3 (en) * | 1998-02-12 | 2000-12-20 | Burkhard Vogtherr | Working chair |
| CN2623097Y (en) * | 2003-04-01 | 2004-07-07 | 塞杜斯·斯托尔股份公司 | Back of chair |
| CN201091371Y (en) * | 2007-06-09 | 2008-07-30 | 蔡国良 | Seat adjusting backrest inclination angle |
| CN201370314Y (en) * | 2009-01-22 | 2009-12-30 | 陈永华 | Adjuster for chair back variation angle |
| US20110233983A1 (en) * | 2010-03-27 | 2011-09-29 | Shunjie Lu | Chair with back-and-forth moving backrest |
| CN202950307U (en) * | 2012-09-26 | 2013-05-29 | 辛萍 | Therapeutic massage chair |
| CN202842956U (en) * | 2012-10-10 | 2013-04-03 | 东莞市博一家具有限公司 | Elastic backrest structure and chair |
| CN103054366A (en) * | 2013-02-02 | 2013-04-24 | 谭干荣 | Seat |
| CN105592752A (en) * | 2013-06-12 | 2016-05-18 | 史帝分·柏德贝克 | Chair (Ref. now to FIGS) |
| CN205306462U (en) * | 2015-12-09 | 2016-06-15 | 北京市丽日办公用品有限责任公司 | Chair |
| CN205432917U (en) * | 2015-12-25 | 2016-08-10 | 安吉县盛信办公家具有限公司 | Office chair |
| CN206434082U (en) * | 2016-08-25 | 2017-08-25 | 安吉县盛信办公家具有限公司 | A kind of adaptive backrest seat |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3850989A1 (en) | 2020-01-16 | 2021-07-21 | Sitland S.P.A. | Chair structure with an elastically yielding backrest |
| CN115635201A (en) * | 2022-09-21 | 2023-01-24 | 奔腾激光科技(山东)有限公司 | Steel rail type ground beam laser cutting machine tool side guiding self-positioning device |
| CN115635201B (en) * | 2022-09-21 | 2023-12-26 | 奔腾激光科技(山东)有限公司 | Side guiding self-positioning device of steel rail type ground beam laser cutting machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108294516B (en) | 2020-08-21 |
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