CN202020082U - Chair back supporting linkage device - Google Patents
Chair back supporting linkage device Download PDFInfo
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- CN202020082U CN202020082U CN2011200885346U CN201120088534U CN202020082U CN 202020082 U CN202020082 U CN 202020082U CN 2011200885346 U CN2011200885346 U CN 2011200885346U CN 201120088534 U CN201120088534 U CN 201120088534U CN 202020082 U CN202020082 U CN 202020082U
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- chair back
- waist
- flexible chair
- rear surface
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Abstract
The utility model relates to a chair back supporting linkage device, which comprises a supporting post, a flexible chair back and a supporting linkage unit, wherein the supporting post is provided with a bent lower part and a vertical upper part which are connected; the flexible chair back is provided with an upper end part, a lower end part and a waist protecting part; the upper end part and the lower end part are oppositely arranged; the waist protecting part is arranged between the upper end part and the lower end part; the lower end part is fixed on a bent part of the supporting post; and the supporting linkage unit is connected to the back surface of the flexible chair back and is glidingly arranged on the vertical upper part of the supporting post. The supporting linkage unit is positioned at the up and down position of the supporting post to relatively drive the flexible chair back to correspondingly deform, so the front and back position and the up and down position of the waist protecting part are adjusted and then the waist of a human body is effectively supported and can depend at any time.
Description
Technical field
The utility model relates to a kind of support linkage, particularly relates to a kind of back support linkage.
Background technology
The chair back is the rear that the is installed in seat support position of human body back (when promptly the taking seat support with respect to), in order to support the back of human body, makes its ride comfort.
The vertebra of human body slightly becomes S shape, that is with regard to the back, and human body is in the waist location portion that slightly is in depression.The chair back is set as outstanding slightly forward waist support portion at the height and position with respect to the human body waist usually, and to withstand the waist of human body, when it was taken, waist relied on to some extent and supports, and in order to protection human body waist, and it is more comfortable that it is taken.
Yet human body is taken when a seat, can because of the height on the human body height differ or because of conversion different take attitude, or put because of changing different seat deep-seateds, make the waist of human body be in different height or front and back position on the seat.
The existing existing known chair back normally be fixed with regard to its waist support portion, can't be adjusted before and after it and/or position just.Sit dark or sitting posture when human body because of changing, when causing its waist to depart from the waist support portion of the chair back, the waist of human body can't obtain the effective dependence and the support of waist support portion, cause the burden of human body waist, and then cause the tired and tired phenomenon of having a pain in the back easily.
Moreover, the existing known chair back is not provided with linkage, when human body is taken in seat support and is habitually swung back with its shoulder leaning on back in the top of the chair back, have the bottom of the known chair back now and can't be produced the relative strength of ejection forward by interlock, can't produce a strong support to the waist of human body and the expansion dorsal muscles of both sides thereof, cause the discomfort of human body waist.
This shows that the above-mentioned existing chair back obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel back support linkage, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The purpose of this utility model is, provides a kind of and can adjust before and after the waist support portion and the back support linkage of high and low position.
Another purpose of the present utility model is, provides a kind of and has the interlock effect and can be at any time provide the back support linkage of effective support to the expansion dorsal muscles of the waist of human body or its both sides.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.A kind of chair back support device according to the utility model proposes comprises: a pillar, have the vertical top of a continuous curved lower with one, and an end of curved lower is fixed on the seat support; The one flexible chair back, have a relative upper end and a bottom and the waist support portion between upper end and bottom, the curved lower of pillar is fixed in the bottom, and the flexible chair back has a relative rear surface and a front surface, and has a relative left side and a right side; And one support the interlock unit, is mounted on the rear surface of the flexible chair back, and is slidedly arranged on the vertical top of pillar.According to supporting the different up and down position that the interlock unit is in pillar, can relatively drive the flexible chair back and do corresponding distortion, and adjust the front and back and the high and low position of waist support portion according to this, make the waist of human body obtain effective support and dependence at any time.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid back support linkage, the vertical top of its B-C post are provided with one and are directly to the chute that extends; Support the interlock unit and include a slide block and a trace group, slide block is slidedly arranged on the chute of pillar, and the trace group has a plurality of traces, and the one end comes together in a union body, and union body then is located at slide block.According to slide block different height and position and drive the flexible chair back with the trace group and do corresponding distortion on pillar.
Aforesaid back support linkage, wherein union body is hubbed at slide block, makes that the trace group is movable with respect to slide block.
Aforesaid back support linkage, wherein the both sides of slide block respectively have a lug, and each lug respectively is provided with a perforation, and union body is provided with a pivot hole, and a pivot pivot is worn pivot hole and each perforation; Make that according to this trace group can be axle and movable with the pivot.
Aforesaid back support linkage, wherein the outer end of at least one trace of a plurality of traces is floating ground ejection rear surfaces in the flexible chair back, supports and give the floating type ejection of human body.
Aforesaid back support linkage, wherein a plurality of traces are the X-shaped trace, it comprises by union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by union body one the 3rd trace and one the 4th trace of below and lower right projection left respectively; The outer end of first trace and second trace is linked to the left side and the right side of upper end of the rear surface of the flexible chair back respectively, the outer end of the 3rd trace and the 4th trace then respectively the floating ground ejection in the left side and the right side of the waist support portion of the rear surface of the flexible chair back.Those outer ends make it obtain effectively to rely on and support respectively corresponding to the position of human body back both sides shoulder blade and both sides expansion dorsal muscles.
Aforesaid back support linkage, wherein the outer end of the 3rd trace and the 4th trace respectively is pivoted with an expansion dorsal muscles supporting pad, its respectively floating ground ejection in the left side and the right side of the waist support portion of the rear surface of the flexible chair back, approximately with respect to the position of the expansion dorsal muscles of human body; Regulate according to the rotation of expanding the dorsal muscles supporting pad, can join the change of answering human body sitting posture and do corresponding variation, and provide the flexible chair back to give strong support at any time for the position that human body expands dorsal muscles.
Aforesaid back support linkage, wherein a plurality of traces are Y shape trace, and it comprises by union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by one the 5th trace of union body projection downwards; The outer end of first trace and second trace is linked to the left side and the right side of upper end of the rear surface of the flexible chair back respectively, and the outer end floating ground ejection of the 5th trace is in the waist support portion of the rear surface of the flexible chair back.Those outer ends make it obtain effectively to rely on and support respectively corresponding to the position of human body back both sides shoulder blade and waist.
Aforesaid back support linkage, wherein the outer end of the 5th trace is pivoted with a waist rest cushion, and its floating ground ejection is in the waist support portion of the rear surface of this flexible chair back, approximately with respect to the position of the waist of human body; Regulate according to the rotation of waist rest cushion, can join the change of answering human body sitting posture and do corresponding variation, and provide the flexible chair back to give strong support at any time for the human body waist.
Aforesaid back support linkage, the chute of its B-C post and support between the slide block of interlock unit and be provided with locating unit, the position of being adjusted in order to fixed support interlock unit.
Aforesaid back support linkage, wherein to comprise a plurality of locating slots that communicate be to be directly to the cell wall that is opened in the chute of pillar to positioning unit with extending, and one reference column for being located at slide block, and corresponding to described a plurality of locating slots, and with the location that fastens of a locating slot wherein.According to the location that engages of the locating slot of reference column and differing heights position, adjust according to this and the height and position of fixed support interlock unit, and adjust the position of the waist support portion of the flexible chair back according to this.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model back support linkage has following advantage and beneficial effect at least: the utility model can or be sat deep-seated and put according to the build of human body or sitting posture, adjust the front and back and the high and low position of chair back waist support portion, make the waist of human body can both obtain effective support and dependence at any time, lower the burden of human body waist, and the design that can articulate according to the activity of trace group, make the outer end of trace provide a steady real floating type ejection to support at any time, and make the human body ride comfort with respect to the waist of human body or the position of expansion dorsal muscles.
In sum, the utility model comprises: a pillar has the vertical top with one of a continuous curved lower; The one flexible chair back has a relative upper end and a bottom and the waist support portion between these both ends, and wherein, the bend of pillar is fixed in the bottom; And one support the interlock unit, is linked to the rear surface of the flexible chair back, and is slidedly arranged on the vertical top of pillar.According to supporting the upper-lower position that the interlock unit is in pillar, relatively drive the flexible chair back and do corresponding distortion, and adjust the front and back and the high and low position of waist support portion according to this, make the waist of human body obtain effective support and dependence at any time.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the outside drawing that illustrates according to the back support linkage of the utility model one first embodiment.
Fig. 2 is the exploded view that illustrates back support linkage shown in Figure 1.
Fig. 3 is the rearview that illustrates back support linkage shown in Figure 1.
Fig. 4 is the side view that illustrates back support linkage shown in Figure 1.
Fig. 5 illustrates the wherein decomposing schematic representation of positioning unit of back support linkage shown in Figure 1.
Fig. 6 is the adjustment action schematic diagram that illustrates back support linkage shown in Figure 4.
Fig. 7 is the exploded view that illustrates according to the back support linkage of the utility model one second embodiment.
Fig. 8 is the rearview that illustrates back support linkage shown in Figure 7.
Fig. 9 is the side view that illustrates back support linkage shown in Figure 7.
100: pillar 110: curved lower
120: vertical top 121: chute
200: the flexible chair back 210: upper end
220: bottom 230: waist support portion
240: rear surface 250: front surface
260: left side 270: right side
300: support interlock unit 310: slide block
311: lug 312: perforation
320: 321: the first traces of trace group
323: the three traces of 322: the second traces
325: the five traces of 324: the four traces
326: union body 327: the pivot hole
330: pivot 340: expand the dorsal muscles supporting pad
350: waist rest cushion 400: positioning unit
410: locating slot 420: reference column
500: seat support
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of back support linkage, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also Fig. 1 to Fig. 6, it illustrates respectively according to the outside drawing of the back support linkage of the utility model one embodiment, exploded view, rearview, side view, the wherein decomposing schematic representation of positioning unit and the adjustment action schematic diagram that supports linkage.As shown in the figure, the chair back support device according to the utility model one embodiment comprises that a pillar 100, the one flexible chair back 200 and supports interlock unit 300.
The flexible chair back 200 is made with the flexible matter material that can be deformed.The flexible chair back 200 has a relative upper end 210 and a bottom 220 and between these both ends and to the outstanding waist support portion 230 of seat support 500 directions, wherein, bottom 200 is a fixing end, and it is fixed in the curved lower 110 of pillar 100.The flexible chair back 200 also has a relative rear surface 240 (being the chair back this surface away from the seat support direction) and a front surface 250 (being this surface of the close seat support direction of the chair back), and have a relative left side 260 and a right side 270.
A plurality of traces of trace group 320 except come together in the one end union body 326, the other end of a plurality of traces is the rear surface 240 that the outer end then is mounted on the oar chair back 200, and wherein the outer end of at least one trace is the rear surface of floating ground ejection in the oar chair back.
At 1 Fig. 1 to the embodiment shown in Figure 6, show that a plurality of traces are an X-shaped trace, it comprises by union body 326 respectively to one first trace 321 and one second trace 322 of upper left side and upper right side projection, and by union body 326 one the 3rd trace 323 and one the 4th trace 324 of below and lower right projection left respectively.The outer end of first trace 321 and second trace 322 is linked to the left side 260 and right side 270 (promptly about position corresponding to human body back both sides shoulder blade) of upper end 210 of the rear surface 240 of the flexible chair back 200 respectively; The outer end of the 3rd trace 323 and the 4th trace 324 then respectively the floating ground ejection in the left side 260 of the waist support portion 230 of the rear surface 240 of the flexible chair back 200 and right side 270 (position of promptly about expansion dorsal muscles corresponding to the human body back both sides).According to this, make expansion back of the body famine that back, waist and the both sides thereof of human body are comparatively outstanding and shoulder blade rely on all to some extent and support.
Further, just support interlock unit 300 wherein with regard to floating type contact of the 3rd trace 323 and the 4th trace 324 and the flexible chair back 200, be respectively to be pivoted with one to expand dorsal muscles supporting pad 340 in the outer end of the 3rd trace 323 and the 4th trace 324, its difference floating ground ejection is in the left side 260 and right side 270 of the waist support portion 230 of the rear surface 240 of the flexible chair back 200.According to this, the outer end of the 3rd trace 323 and the 4th trace 324 is to turn at the expansion dorsal muscles position with respect to the oar chair back 200 pairing human bodies, and give floating type ejection and support, therefore, the flexible chair back 200 is to do corresponding variation according to the adjustment of human body back attitude at this position, and strong support is provided at any time.
That is, taking during for example handling official business during the seat, human body often has the half way around body, the action of swinging back and stretching oneself or adjusting sitting posture because of sitting, support interlock unit 300 except providing the solid dependence of human body omoplate portion with its first trace 321 and second trace 322, and can be because of trace group 320 and the slide block 310 movable settings that articulate, and lean on the natural application of force because of human body in the oar chair back 200, make that the outer end of the 3rd trace 323 and the 4th trace 324 can be an axle and produce forward an ejection strength relatively with pivot 330, and can regulate with 360 rotations of spending of expanding dorsal muscles supporting pad 340, and the steady at any time position of supporting the expansion dorsal muscles of human body back maximum region on the spot makes human body very comfortable on taking.
In addition, according to the design of supporting interlock unit 300, its trace group 320 is located at slide block 321 and can be moved with it, when slide block 310 and trace group 320 move up and down when producing vertical displacement, because the variation of its upright position, bottom 220 because of the oar chair back 200 has been fixed again, just can cause the variation of the distance of the oar chair back 200 horizontal depth directions, thereby makes the position of waist support portion 230 of the oar chair back 200 produce variation.That is, the user can transfer and support interlock unit 300, its slide block 310 is slided up and down at the chute 121 of pillar 100, is fulcrum and relatively drive the flexible chair back 200 with its bottom 220, make its upper end 210 do corresponding actions and distortion up and down, and make its waist support portion 230 do the corresponding actions and the distortion of front and back.
Therefore, according to the design of supporting the interlock unit 300 and the oar chair back 200, can adjust the front and back and the high and low position of the waist support portion 230 of the oar chair back 200 according to this, answer the user because of different height or different sit that deep-seated is put or because of the residing diverse location of the waist that different sitting posture was produced to join.For example, when human body is taken when seat support 500 and its are sat the depths in position, back, the user can up adjust the slide block 310 of the utility model support interlock unit 300 wherein along the chute 121 of pillar 100, and the waist support portion 230 that drives the flexible chair back 200 relatively adjusts backward, to support the human body this moment of waist backward; When human body is taken in the seat depths on the seat support 500 in than the front position time, then the user can down adjust the slide block 310 of the utility model support interlock unit 300 wherein along the chute 121 of pillar 100, and the waist support portion 230 that drives the flexible chair back 200 relatively adjusts forward, to support the human body this moment of waist forward.Thereby no matter which kind of attitude human body is in or sits deep-seated and put, the adjustment according to supporting interlock unit 300 all can make the waist of human body obtain waist support portion 230 effective support and the dependence of the flexible chair back 200, lowers the burden of human body waist, and makes its ride comfort.
Be to make and support the fixed-site that interlock unit 300 is adjusted, further include locating unit 400, between the slide block 310 of its chute 121 of being located at pillar 100 and support interlock unit 300 according to the back support linkage of the utility model one embodiment.Positioning unit 400 can be to locate automatically or manual positioning.On the embodiment of accompanying drawing, show that it is to be directly to the cell wall that is opened in the chute 121 of pillar 100 that positioning unit 400 includes a plurality of locating slots 410 that communicate with extending, and one reference column 420 for being located at slide block 310, and corresponding to those a plurality of locating slots, and with the location that fastens of a locating slot 410 wherein.When reference column 420 engages the location with the locating slot 410 of differing heights position, can adjust the also height and position of fixed support interlock unit 300 according to this, and adjust the position of the waist support portion 230 of the flexible chair back 200 according to this.
See also Fig. 7 to Fig. 9, it illustrates exploded view, rearview and side view according to the back support linkage of the utility model one second embodiment respectively.
The structure of second embodiment is similar to first embodiment.Only be to show that a plurality of traces of trace group 320 are a Y shape trace in the middle of second embodiment, it comprises by union body 326 respectively to one first trace 321 and one second trace 322 of upper left side and upper right side projection, and by one the 5th trace 325 of union body 326 projection downwards.First trace 321 is identical with the first embodiment those shown with the structure of second trace 322, that is its outer end is linked to the left side 260 and right side 270 (promptly about position corresponding to human body back both sides shoulder blade) of upper end 210 of the rear surface 240 of the flexible chair back 200 respectively; The outer end of the 5th trace 325 then the floating ground ejection in the waist support portion 230 of the rear surface 240 of the flexible chair back 200 (promptly approximately corresponding to the waist position of human body).According to this, make the back of human body and waist rely on all to some extent and support.
Further, just support interlock unit 300 wherein with regard to floating type contact of the 5th trace 325 and the flexible chair back 200, be to be pivoted with a waist rest cushion 350 in the outer end of the 5th trace 325, its floating ground ejection is in the waist support portion 230 of the rear surface 240 of the flexible chair back 200.According to this, the outer end of the 5th trace 325 is to turn at the waist position with respect to the oar chair back 200 pairing human bodies, and give floating type ejection and support, therefore, the flexible chair back 200 is to do corresponding variation according to the adjustment of human body back attitude at this position, and strong support is provided at any time.
That is, taking during for example handling official business during the seat, human body often has the half way around body, the action of swinging back and stretching oneself or adjusting sitting posture because of sitting, support interlock unit 300 except providing the solid dependence of human body omoplate portion with its first trace 321 and second trace 322, and can be because of trace group 320 and the slide block 310 movable settings that articulate, and lean in the flexible chair back 200 natural application of forces because of human body, make that the outer end of the 5th trace 325 can be an axle and produce forward an ejection strength relatively with pivot 330, and can regulate with 360 rotations of spending of Waist protection pad 350, and the steady at any time waist that supports human body on the spot makes human body very comfortable on taking.
Support linkage according to the chair back of the utility model one embodiment, can or sit deep-seated and put according to the build of human body or sitting posture, adjust the front and back and the high and low position of chair back waist support portion, make the waist of human body can both obtain effective support and dependence at any time, lower the burden of human body waist, and the design that can articulate according to the activity of trace group, make the outer end of trace provide a steady real floating type ejection to support at any time, and make the human body ride comfort with respect to the waist of human body or the position of expansion dorsal muscles.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (11)
1. back support linkage is characterized in that it comprises:
One pillar has the vertical top with one of a continuous curved lower, and an end of this curved lower is fixed on the seat support;
The one flexible chair back has a relative upper end and a bottom and the waist support portion between this upper end and this bottom, and the curved lower of this pillar is fixed in this bottom; And this flexible chair back has a relative rear surface and a front surface, and has a relative left side and a right side; And
One supports the interlock unit, is mounted on the rear surface of this flexible chair back, and is slidedly arranged on the vertical top of this pillar.
2. back support linkage according to claim 1, the vertical top that it is characterized in that wherein said pillar are provided with one and are directly to the chute that extends; This support interlock unit includes a slide block and a trace group, and this slide block is slidedly arranged on the chute of this pillar, and this trace group has a plurality of traces, and the one end comes together in a union body, and this union body is located at this slide block.
3. back support linkage according to claim 2 is characterized in that wherein said union body is hubbed at this slide block.
4. back support linkage according to claim 3 is characterized in that the both sides of wherein said slide block respectively have a lug, and respectively this lug respectively is provided with a perforation, and this union body is provided with a pivot hole, and a pivot pivot is worn this pivot hole and respectively this perforation.
5. back support linkage according to claim 3, the outer end that it is characterized in that at least one trace of wherein said a plurality of traces are the rear surface of floating ground ejection in this flexible chair back.
6. back support linkage according to claim 5, it is characterized in that wherein said a plurality of trace is the X-shaped trace, it comprises by this union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by this union body one the 3rd trace and one the 4th trace of below and lower right projection left respectively; The outer end of this first and second trace is linked to the left side and the right side of upper end of the rear surface of this flexible chair back respectively, the outer end of the 3rd trace and the 4th trace respectively the floating ground ejection in the left side and the right side of the waist support portion of the rear surface of this flexible chair back.
7. back support linkage according to claim 6, the outer end that it is characterized in that wherein said the 3rd trace and the 4th trace respectively is pivoted with an expansion dorsal muscles supporting pad, and respectively should expand the ejection of dorsal muscles supporting pad difference floating ground in the left side and the right side of the waist support portion of the rear surface of this flexible chair back.
8. back support linkage according to claim 5, it is characterized in that wherein said a plurality of trace is a Y shape trace, it comprises by this union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by one the 5th trace of this union body projection downwards; The outer end of this first trace and second trace is linked to the left side and the right side of upper end of the rear surface of this flexible chair back respectively, and the outer end floating ground ejection of the 5th trace is in the waist support portion of the rear surface of this flexible chair back.
9. back support linkage according to claim 8 is characterized in that the outer end of wherein said the 5th trace is pivoted with a waist rest cushion, and this waist rest cushion floating ground ejection is in the waist support portion of the rear surface of this flexible chair back.
10. back support linkage according to claim 2 is characterized in that being provided with locating unit between the slide block of the chute of wherein said pillar and this support interlock unit.
11. back support linkage according to claim 10, it is characterized in that it is to be directly to the cell wall that is opened in the chute of pillar that wherein said positioning unit comprises a plurality of locating slots that communicate with extending, and one reference column for being located at this slide block, and corresponding to described a plurality of locating slots, and with the location that fastens of a locating slot wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200885346U CN202020082U (en) | 2011-03-25 | 2011-03-25 | Chair back supporting linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200885346U CN202020082U (en) | 2011-03-25 | 2011-03-25 | Chair back supporting linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202020082U true CN202020082U (en) | 2011-11-02 |
Family
ID=44845054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200885346U Expired - Fee Related CN202020082U (en) | 2011-03-25 | 2011-03-25 | Chair back supporting linkage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202020082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687958A (en) * | 2011-03-25 | 2012-09-26 | 卓岳股份有限公司 | Chair back support linkage device |
| CN103202622A (en) * | 2012-01-12 | 2013-07-17 | 卓岳股份有限公司 | Automatic adjusting device for waist cushion of chair back |
| CN108289548A (en) * | 2015-11-23 | 2018-07-17 | R·布拉斯科安德鲁 | Improved self-adjusting back-rest means for chair |
-
2011
- 2011-03-25 CN CN2011200885346U patent/CN202020082U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687958A (en) * | 2011-03-25 | 2012-09-26 | 卓岳股份有限公司 | Chair back support linkage device |
| CN103202622A (en) * | 2012-01-12 | 2013-07-17 | 卓岳股份有限公司 | Automatic adjusting device for waist cushion of chair back |
| CN108289548A (en) * | 2015-11-23 | 2018-07-17 | R·布拉斯科安德鲁 | Improved self-adjusting back-rest means for chair |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20150325 |
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| EXPY | Termination of patent right or utility model |