CN102448347A - Chair with an adjustable backrest angle - Google Patents
Chair with an adjustable backrest angle Download PDFInfo
- Publication number
- CN102448347A CN102448347A CN2010800232403A CN201080023240A CN102448347A CN 102448347 A CN102448347 A CN 102448347A CN 2010800232403 A CN2010800232403 A CN 2010800232403A CN 201080023240 A CN201080023240 A CN 201080023240A CN 102448347 A CN102448347 A CN 102448347A
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- China
- Prior art keywords
- backrest
- chair
- rotating shaft
- movable block
- latch fitting
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The present invention relates to a chair, and particularly, to a chair configured with a changeable backrest angle with respect to a supporting portion to which the backrest is connected, in order to provide a user with more comfort during use. The chair comprises: said backrest including a rotational axis and a displacement axis at the left and right sides thereof; a housing fixedly installed on the supporting portion and including a rotational axis connecting hole to which the rotational axis is coupled; a displacement assembly including a moving block formed within the housing and connected to the displacement axis to move linearly in a sliding manner and to enable the angle of the backrest to be changed; and a locking means for selectively fixing a position of the moving block.
Description
Technical field
The present invention relates to a kind of chair, relate in particular to a kind of for the user uses more comfily, and technology that can the easy adjusting backrest angle.
Background technology
For the upright walking mankind, the vertebra beyond all else is important, just whole health is had very big influence, and normal life is caused very big obstacle unusually if take place on the vertebra.
With age, bone density descends naturally, thereby spinal curvature takes place, but the situation of suffer is also a lot of because vertebra is unusual in the youngster.As typical spinal disease disc disease is arranged, its cause of disease is also a lot.Especially recently most people are sitting in the office or the reading of being on the chair, and the time that therefore is sitting in the time ratio walking on the chair is long a lot.
When being sitting on the chair, should sit down by correct posture by straight and upright waist, but because wrong custom, the situation that the state that much human is bent over is forward handled official business down is a lot.And rely on waist the situation of recumbency is also a lot of backward in order to have a rest on back, and most of back designs to such an extent that can not support the lumbar spine position carefully, thus lumbar spine to bear pressure very big.
In view of this problem, a plurality of prior aries had once been proposed, carry out diagrammatic illustration in the face of prior art down.
Fig. 1 illustrates the movement state diagram of Korean Utility Model notification number No. 336016 " chair " (below be called prior art 1); As shown in the figure; By possessing the lower bracket 60 that is combined with seat platform 30, upper bracket 50 that combines rotationally through the jointed shaft 102 that is provided with in said lower bracket 60 upper ends and torsionspring 80 formations of using as the elasticity combining unit.
Said technology has as the user under the state waist toward pusher with posture seat correctly, and then said upper bracket 50 is rotated and the structure of horizontal development, but has the fixedly defective of upper bracket 50.Therefore and see from structure aspects, can not support bigger load, thereby there is the restriction on the office chair that can not be applicable to high price etc. in poor durability.
In this external Japanese publication number 2003-061777 number, relevant for " seat framework " (below's be called prior art 2) technology, Fig. 2 is equivalent to the brief strabismus map to it, and Fig. 3 is equivalent to the part exploded perspective view.
And through operating lever 83, the axle 10 that one is fixed on bar portion 82 is rotated and unties latch fitting.The recline device 8 of this structure belongs to technique known as vehicle with chair.
Yet on products such as office chair, be suitable for the chair that prior art 2 has complicated frame structure, exist in the inappropriate problem in expense aspect.And, after prior art 2 has only first rotating lever 82, the angle that could regulate seat after-frame 2, and the minimum anglec of rotation sets, therefore exist can not the fine adjustments angle problem.
Summary of the invention
The present invention provides a kind of office chair etc. that is applicable to, when the user relies on the backrest application of force backwards, said backrest just can tilt, and can keep the chair of scalable backrest angle of the angle of inclination in position.
And then provide a kind of and when the inclination backrest, suitably regulate the reaction force of backrest and be fit to the chair of user's scalable backrest angle.
And, the present invention provide a kind of for the ease of chair keeping or transport, backrest horizontal development fully, thus reduce the chair of fare and retention fee etc.
In order to reach said purpose, the present invention provides a kind of chair of scalable backrest angle, and with respect to the support portion that backrest linked, the chair of the angle of variable backrest is characterized in that, comprising: a backrest possesses rotating shaft and displacement axle at the left and right sides of backrest; One housing is fixed on said support portion and possesses the rotating shaft connect apertures that is used to combine rotating shaft; One displacement assembly comprises movable block, and said movable block is formed on said enclosure interior and links to each other with said displacement axle and carries out linear slide and change backrest angle; One latch fitting, the optionally position of fixing said movable block.
Said displacement assembly preferably includes: movable block, moved by the sliding tray along enclosure interior; Motion bar, an end is connected in movable block, and the other end is formed with around the screw thread of fixing back shaft in its outside; Elastomer is inserted in the outside of said motion bar; Carrier wheel is combined in the screw thread of said motion bar, and is provided with the gear teeth; Operating portion possesses the gear part that is meshed with said carrier wheel, and has and link to each other with said gear part and towards the outstanding adjusting rod of hull outside.
Be preferably formed the rotation projection at said latch fitting, said rotation projection is outstanding towards said hull outside, and is inserted near the opposition side end of adjusting rod of said operating portion and rotates.
Preferably, said latch fitting is formed with screw tap in order to combine with said movable block in a part, and also is formed with corresponding screw tap in a side of the said movable block relative with said latch fitting.
Said latch fitting preferably includes: the latch fitting switch, press the L oxbow, and the one of which end is outstanding towards hull outside, and can rotate; Lock dog is formed with the insertion groove of the other end that inserts said latch fitting switch, and is formed with the toothed region that is meshed with said movable block; Supporter, the said lock dog of resiliency supported.
Said elastomer is preferably any in spring, elastomeric material, the hydro-pneumatic spring.
Preferably, said rotating shaft injects through said rotating shaft connect apertures and links to each other with said backrest from said hull outside, and when the said backrest of horizontal folding, said rotating shaft can be extracted and separates from said hull outside.
Preferably, be formed with the O shape ring recess that is used to combine O shape circle at said rotating shaft, when inserting through said rotating shaft connect apertures, said O shape circle is compressed, and through being located at the locking protrusion of said rotating shaft connect apertures end, then returns to original state and combine.
Preferably, said elastomer according to the operation of said adjusting rod, makes said carrier wheel move along said motion bar, changes said elastomeric compression degree in view of the above, thus required pressure when changing the inclination backrest.
According to the chair of scalable backrest angle of the present invention, can only backrest be carried out independent rotation, and on required angle, keep the position, therefore the chair that can have a rest comfily is provided.
And then have the advantage of the reaction force that can regulate backrest, and and the rotating shaft of backrest is arranged near the lumbar vertebrae, thus even tilt towards the rear also can the stable support lumbar portion for backrest.
And, in keeping or can the horizontal development backrest when transporting, take up space and reduce to greatest extent, thus reduce expenses.
Description of drawings
Fig. 1 is the movement state diagram to prior art 1.
Fig. 2 is the brief strabismus map to prior art 2.
Fig. 3 is the part exploded perspective view to prior art 2.
Fig. 4 is the side view to the major part of the chair of the scalable backrest angle that constitutes according to the preferred embodiment of the present invention.
Fig. 5 is the side view that the state of backrest horizontal folding is shown.
Fig. 6 is the exploded perspective view to major part.
Fig. 7 is the oblique view to the assembled state of major part.
Fig. 8 is the cutaway view to the summary of rotating shaft.
Fig. 9 is the cutaway view to another enforceable example of rotating shaft.
Figure 10 is the side view according to the major part of the chair of second embodiment.
Figure 11 is the side view that the folding state of the backrest of second embodiment is shown.
Figure 12 is the exploded perspective view to the major part of second embodiment.
Figure 13 is the combination oblique view that the major part of second embodiment is shown.
The specific embodiment
Below, specify specific embodiment, in order to understand please with reference to accompanying drawing more clearly according to technological thought of the present invention.Yet accompanying drawing is used for representing the example that technological thought can be implemented according to the present invention that accompanying drawing itself does not limit technical scope of the present invention.
Fig. 4 is the side view to the major part of the chair of the scalable backrest angle that constitutes according to the preferred embodiment of the present invention; Fig. 5 is the side view that the state of backrest horizontal folding is shown; Fig. 6 is the exploded perspective view to major part, and Fig. 7 is the oblique view to the assembled state of major part.
As shown in the figure; Chair of the present invention is characterised in that; Angle according to user's selection can be regulated backrest by the appropriate tilt degree for this reason as concrete structure, roughly comprises: rotating shaft 110, the backrest 100 with displacement axle (not shown), housing 200, displacement assembly 300, latch fitting 400.
In the present invention, the chair of scalable backrest angle possesses the backrest 100 of the back that can support the user basically, and said backrest 100 is connected support portion 90.Said support portion 90 means the part that constitutes chair and is outstanding towards seat portion left and right sides top that it can become the part of handrail, also can be used as with the other parts of handrail to link to each other with handrail.
Near the left and right sides lower end of backrest 100, outstanding rotating shaft 110 and the displacement axle (not shown) of combining, said rotating shaft 110 is dismantled and assembled with respect to backrest 100 with the displacement axle, for good.And then said rotating shaft 110 and the displacement axle layout that adjoins each other, and said rotating shaft 110 is combined in the rotating shaft connect apertures 210 of housing 200, and the displacement axle links to each other with movable block 310.
More preferably said in the present invention rotating shaft 110; Insert through rotating shaft connect apertures 210 from the said shell body 200a outside and link to each other with said backrest 100; Have when horizontal folding backrest 100, can extract from the said shell body 200a outside and the structure of separating said rotating shaft 110.
Inject when said rotating shaft 110 passes through said rotating shaft connect apertures 210, said rotating shaft 110 just links to each other with backrest 100, thereby said backrest is rotated.When removing said rotating shaft 110, just become the state that the said displacement axle of 100 usefulness of backrest links to each other with housing 200, the function of said displacement axle performance this moment rotating shaft.
In the present invention; Can insert rotating shafts 110 and link to each other through said rotating shaft connect apertures 210 from said shell body 200a is outside, also can extract the rotating shaft 110 that links to each other with backrest 100 from said shell body 200a outside and simple and easy folding back 100 on the contrary with backrest 100.
On the other hand, under the situation that the user does not attempt, said rotating shaft 110 should not break away from from said rotating shaft connect apertures 210.Promptly, owing to insert a rotating shaft 110 in the left and right sides of backrest 100 respectively through said rotating shaft connect apertures 210 and link to each other with said backrest 110, therefore when use chair for a long time, said rotating shaft 110 might break away from gradually.Its reason is, even making or exquisite again during the assembling backrest, also can only occurrence of errors, and, can apply asymmetric power on each rotating shaft 110 to the backrest left and right sides in the angle of frequent change backrest or in according to the process that seat is straight again on backrest.
Therefore in the present invention, arbitrarily break away from, on said rotating shaft 110, be provided for combining the O shape ring recess 111 of O shape circle from said rotating shaft connect apertures 210 for preventing said rotating shaft 110.Fig. 8 shows the cutaway view to the summary of said rotating shaft, and O shape ring recess 111 is set near the roughly centre of said rotating shaft 110, and on said O shape ring recess 111, inserts the O shape circle of elastomeric material.
Combine under the state of O shape circle at said O shape ring recess 111; Insert said rotating shaft 110 through said rotating shaft connect apertures 210; Compress said O shape circle limit with regard to the limit and inject said rotating shaft connect apertures 210, when the end that arrives said rotating shaft connect apertures 210, said O shape circle just returns to original shape.Be provided with locking protrusion 220 in the end of said rotating shaft connect apertures 210, when said O shape circle during through said locking protrusion 220, compression is disengaged and returns to original shape.
If be combined in the locking protrusion 220 of the O shape circle of said rotating shaft 110 through rotating shaft connect apertures 210; Because the external diameter of said O shape circle is bigger than the internal diameter of rotating shaft connect apertures 210; The effect of therefore said O shape circle performance retainer, thus said rotating shaft 110 is difficult for breaking away under the situation that the user does not attempt.
Certainly, when the user applied external force and extracts said rotating shaft 110, said rotating shaft 110 can be extracted through rotating shaft connect apertures 210 with O shape circle.
And then more preferably, the diameter that said rotating shaft 110 is designed to left end in the drawings is bigger than other position, and this position is called head 112.Begin to inject rotating shaft connect apertures 210 from the opposition side end of said head 112, and said head 112 is articulated in the leading section that is located at the said rotating shaft connect apertures 210 on the housing.The reason of placement head 112 is on said rotating shaft 110, under combining the state of rotating shaft 110 during the use chair, prevents that rotating shaft 110 is from 210 disengagings of rotating shaft connect apertures when the user holds the handle of chair side stay is opened outwardly.
On the other hand, Fig. 9 illustrates another example that can implement of said rotating shaft.
Principal character of the present invention is as required from housing 200 outside assembling rotating shafts 110 or separate, and is ball-type retainer mode or set bolt mode as another form that can implement first.
As shown in the figure; Said ball-type retainer mode; Mean to be provided with in rotating shaft 110 outsides and support and the ball B that can come in and go out, and be provided for admitting the ball grooves (not shown) of said ball B, thereby carry out spacing at rotating shaft connect apertures 210 through spring.And the set bolt mode is meant; The depressed part G of circular depressed is set in said rotating shaft 110 outsides; And on housing, forming the bolt hole (not shown) that is connected to said rotating shaft connect apertures 210, (not shown) said bolt is fixed with regard to injecting said depressed part G when tighting a bolt.
In said housing 200 inside, be provided with the displacement assembly 300 that comprises movable block 310 and latch fitting 400 etc., on said movable block 310, connect the displacement axle and carry out linear slide, so that being as the criterion with rotating shaft 110, backrest 100 is rotated.And said latch fitting 400 performances are carried out spacing effect at required fixed-site backrest 100.
Said displacement assembly 300 and latch fitting 400 are explained more specifically at first said displacement assembly 300 is made up of movable block 310, motion bar 320, elastomer 330, carrier wheel 340 and operating portion 350.
Said movable block 310 can carry out rectilinear motion along the sliding tray that is located at shell body 300a 241, is provided with the displacement axle connect apertures 311 that can connect displacement axle (not shown).And in a side of said movable block 310 (with latch fitting towards face) be provided with screw tap (not shown) in order to combine with latch fitting 400, the shape that said sliding tray 241 mutually combines so long as can make movable block 310 rectilinear motions all can be used.Especially for spacing to carrying out between latch fitting 400 and the movable block 310, at the partial section of sliding tray 241 cuts is set, just can utilize fixedly movable block 310 of latch fitting.
Said movable block 310 links to each other with motion bar 320, and said motion bar 320 is as elongated bar-like member, and an end links to each other with movable block 310, and the external back shaft 360 of the other end and the shape inserted.Said back shaft 360 is fixed on housing 200, and motion bar 320 can carry out rectilinear motion under the state that injects back shaft 360.Especially be formed with screw thread 321 in the outside in the predetermined field of the other end of said motion bar 320, and combine carrier wheels 340 at said screw thread 321.Along with moving of said movable block 310, motion bar 320 also carries out rectilinear motion together.
On the other hand, be provided with elastomer 330, can use common coil spring as said elastomer in the outside of said motion bar 320.As said elastomer 330, elastomeric material also capable of using or hydro-pneumatic spring etc. except that coil spring.
Show the example of using spring in the present embodiment; Along with utilizing adjusting rod 352 rotation carrier wheels 340 to move; Said elastomer 330 can be compressed; Therefore become decision at inclination backrest 100 and the key element of the minimum force that the user should apply during adjusting angle on backrest, and when the upright straight backrest that tilts, utilize said elastomeric reaction force just can simple and easyly to recover.
And on the screw thread 321 of said motion bar 320, combine carrier wheel 340, and be provided with the gear teeth at the outer peripheral face of said carrier wheel 340.The elastomer 330 that injects said motion bar 320 prevents to break away from through linking carrier wheels 340 at motion bar 320, said carrier wheel 340 along with will after the direction of rotation of the operating portion 350 stated, move along the screw thread 321 of motion bar 320.Promptly, according to the moving direction of said carrier wheel 340, can compresses elastomeric 330 or remove compression stress.
More preferably; When said elastomer 330 and carrier wheel 340 are set; In order to prevent that elastomer 330 from directly contacting with carrier wheel 340 and wear and tear; Between said carrier wheel 340 and said elastomer 330, arrange contact preventing part 335, said contact preventing part 335 also injects said motion bar 320.
Then operating portion 350 is described.Said operating portion 350 also is a key element that constitutes displacement assembly 300; As elongated bar-like member in said housing 200 set inside; Be provided with the gear part 351 that is meshed with carrier wheel 340 in a part of field, and have link to each other with said gear part 351 and towards housing 200 outsides outstanding adjusting rod 352.And near the opposition side end of the operating portion that links said adjusting rod 352; Rotatably insert latch fitting 400; When the said adjusting rod 352 of rotation; The operating portion 350 that comprises gear part 351 will rotation, and the carrier wheel 340 that is engaged on gear part 351 is rotated, thereby moves along the screw thread 321 of motion bar 320.
Said latch fitting 400 is the position of movable block 310 fixedly; And have a rotation projection 410 outstanding towards said housing 200 outsides; Thereby can simply operate; In the present embodiment, near the state that injects the side end of operating portion 350 is rotated, thereby links to each other with said movable block 310 or remove binding.
Promptly, be arranged with screw tap 420 in its outer circumferential surface section on the latch fitting 400, and not have the field of screw tap be level and smooth plane, thereby only combine with screw tap position on being formed on said movable block 310 in screw tap 420 fields.
In the present invention, said elastomer 330 changes the compression degree of elastomer 330 along with the operation of adjusting rod 352; The compression degree of said elastomer 330 is high more; The required power of inclination backrest 100 is big more, and when reducing compression degree, said backrest more simply just can tilt.Promptly, consider user's age or physical trait etc., and change the compression degree of said elastomer 330, get final product.
On the other hand; On the cap 200b that constitutes said housing 200, be provided with the gathering sill 250 of curve shape; Displacement axle (not shown) is linked the displacement axle connect apertures 311 of said movable block 310 in view of the above; When said backrest 100 tilted, said displacement axle can move and the backrest 100 that tilts smoothly along the gathering sill 250 of curve.
Fig. 4 illustrates said backrest 100 and vertically becomes erectility; When the user wants to tilt backrest 100 towards the rear; Rotate said latch fitting 400 and break off and being connected of said movable block 310, and said backrest 100 is applied power backwards, just can make said backrest in deciding angular range tilt.Tilt behind the said backrest 100 by required angle, rotate said latch fitting 400 once more and link to each other, just can keep this position with said movable block 310.
Fig. 5 illustrates the state of backrest horizontal folding, separates said rotating shaft 110, and said backrest 100 just becomes complete horizontal development through under displacement axle and the state that housing 200 links to each other.So as required can the said backrest of horizontal development, therefore transporting or keeping time space occupation rate minimum, thereby can the realization expense reduce.
Then; Second preferred embodiment of the present invention is described, and Figure 10 is the side view according to the chair major part of second embodiment, and Figure 11 is the side view that the folding state of backrest is shown; Figure 12 is the exploded perspective view to major part, and Figure 13 is the combination oblique view that major part is shown.
This second embodiment is substantially the same with described first embodiment, and displacement assembly and latch fitting specifically there are differences in shape in the structural element.Part for this second embodiment and first embodiment repetition is omitted its explanation.
In the second embodiment of the present invention, said latch fitting 400 preferably includes latch fitting switch 430, lock dog 440 and supporter 450.The said latch fitting switch 430 L fonts of pressing as shown in the figure form, and combine rotationally with respect to housing 200, and the one of which end is outstanding towards said hull outside.Be provided with the turning cylinder outstanding 431 on the two sides of said latch fitting switch 430, rotatably support said turning cylinder 431 in said housing 200 inside for rotation.
Side at said movable block 310 is provided with toothed region 312, and the lock dog 440 with another toothed region 441 that is meshed with the toothed region 312 of said movable block 310 is faced layout each other with said movable block 310.And, be provided with the insertion groove 442 that can insert said latch fitting switch 430 other ends at said lock dog 440, thus the operation through said latch fitting switch 430, and said lock dog 440 can combine with said movable block 310 or separate.
And said lock dog 440 supported bodies 450 support, and said supporter 450 is springs etc., said supporter 450 between housing 200 and lock dog 440, thereby keep the exert pressure state of said lock dog 440 of said movable block 310 sides of court.Therefore in the time of will removing combining between said movable block 310 and the lock dog 440, rotate said latch fitting switch 430 and retreat said lock dog 440, said supporter 450 is removed with regard to being compressed and the combining of movable block 310.Yet if remove the power that is applied to said latch fitting switch 430, supporter 450 promotes said lock dog 440 and combines with movable block 310 with regard to returning to original state.
As above explanation; The chair of scalable backrest angle of the present invention constitute can simple and easy adjusting backrest angle; And can expect to be applicable on the diversified chair and provide convenience, except that conventional chair, on the furniture such as sofa that also can sit down applicable to people to the user.
The present invention relates to a kind of angular adjustment of being convenient to realize backrest; And the chair of the structure that backrest can fold fully; Therefore if when being applicable on the chair of each family or office etc., helping user's vertebra healthy, and have the advantage of use, keeping or the conveniently moving of chair.Therefore, be necessary extensively to adopt with manufacturing, circulation and the consumer field of furniture in home-use or office.
Claims (9)
1. the chair of a scalable backrest angle, with respect to the support portion that backrest linked, the chair of the angle of variable backrest is characterized in that, comprising:
One backrest possesses rotating shaft and displacement axle at the left and right sides of backrest;
One housing is fixed on said support portion and possesses the rotating shaft connect apertures that is used to combine rotating shaft;
One displacement assembly comprises movable block, and said movable block is formed on said enclosure interior and links to each other with said displacement axle and carries out linear slide and change backrest angle;
One latch fitting, the optionally position of fixing said movable block.
2. the chair of scalable backrest angle according to claim 1 is characterized in that:
Said displacement assembly comprises:
Movable block is moved by the sliding tray along enclosure interior;
Motion bar, an end is connected in movable block, and the other end is formed with around the screw thread of fixing back shaft in its outside;
Elastomer is inserted in the outside of said motion bar;
Carrier wheel is combined in the screw thread of said motion bar, and is provided with the gear teeth;
Operating portion possesses the gear part that is meshed with said carrier wheel, and has and link to each other with said gear part and towards the outstanding adjusting rod of hull outside.
3. the chair of scalable backrest angle according to claim 2; It is characterized in that; Be formed with the rotation projection at said latch fitting, said rotation projection is outstanding towards said hull outside, and is inserted near the opposition side end of adjusting rod of said operating portion and rotates.
4. the chair of scalable backrest angle according to claim 3; It is characterized in that; Said latch fitting is formed with screw tap in order to combine with said movable block in a part, and also is formed with corresponding screw tap in a side of the said movable block relative with said latch fitting.
5. the chair of scalable backrest angle according to claim 2 is characterized in that:
Said latch fitting comprises:
The latch fitting switch is pressed the L oxbow, and the one of which end is outstanding towards hull outside, and can rotate;
Lock dog is formed with the insertion groove of the other end that inserts said latch fitting switch, and is formed with the toothed region that is meshed with said movable block;
Supporter, the said lock dog of resiliency supported.
6. the chair of scalable backrest angle according to claim 2 is characterized in that, said elastomer is any in spring, elastomeric material, the hydro-pneumatic spring.
7. according to the chair of each the described scalable backrest angle in the claim 1 to 6; It is characterized in that; Said rotating shaft; Inject through said rotating shaft connect apertures and link to each other with said backrest from said hull outside, when the said backrest of horizontal folding, said rotating shaft can be extracted and separates from said hull outside.
8. the chair of scalable backrest angle according to claim 7; It is characterized in that; Be formed with the O shape ring recess that is used to combine O shape circle at said rotating shaft, when inserting through said rotating shaft connect apertures, said O shape circle is compressed; And, then return to original state and combine through being located at the locking protrusion of said rotating shaft connect apertures end.
9. according to the chair of each the described scalable backrest angle in the claim 2 to 6; It is characterized in that; Said elastomer according to the operation of said adjusting rod, makes said carrier wheel move along said motion bar; Change said elastomeric compression degree in view of the above, thus required pressure when changing the inclination backrest.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090045394A KR100946664B1 (en) | 2009-05-25 | 2009-05-25 | Chair with a reclinable back support |
| KR10-2009-0045394 | 2009-05-25 | ||
| PCT/KR2010/003241 WO2010137830A2 (en) | 2009-05-25 | 2010-05-24 | Chair with an adjustable backrest angle |
| KR1020100048018A KR20110128521A (en) | 2010-05-24 | 2010-05-24 | Chair with a reclinable back support |
| KR10-2010-0048018 | 2010-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102448347A true CN102448347A (en) | 2012-05-09 |
| CN102448347B CN102448347B (en) | 2014-09-17 |
Family
ID=43223211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080023240.3A Expired - Fee Related CN102448347B (en) | 2009-05-25 | 2010-05-24 | Chair with an adjustable backrest angle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012527945A (en) |
| CN (1) | CN102448347B (en) |
| WO (1) | WO2010137830A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394736A (en) * | 2012-05-01 | 2015-03-04 | 株式会社比可力 | Angle adjuster |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9458905B2 (en) | 2012-09-20 | 2016-10-04 | Steelcase Inc. | Spring assembly and method |
| CN106108469B (en) * | 2016-07-29 | 2018-11-16 | 陈烁 | It is automatic to receive back formula Public seat |
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2010
- 2010-05-24 CN CN201080023240.3A patent/CN102448347B/en not_active Expired - Fee Related
- 2010-05-24 JP JP2012512956A patent/JP2012527945A/en active Pending
- 2010-05-24 WO PCT/KR2010/003241 patent/WO2010137830A2/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100543155B1 (en) * | 1997-10-24 | 2006-01-20 | 스틸케이스인코오포레이티드 | Synchrotilt chair with adjustable seat, back and energy mechanism |
| CN2426310Y (en) * | 1999-12-30 | 2001-04-11 | 戴东锡 | Chair backrest with self-adjusting slope structure |
| JP2001190352A (en) * | 2000-01-14 | 2001-07-17 | Matsushita Electric Works Ltd | Chair |
| CN2488383Y (en) * | 2001-07-04 | 2002-05-01 | 富锢有限公司 | Seat back-rest inclination controlling mechanism |
| JP2004000434A (en) * | 2002-04-08 | 2004-01-08 | Takano Co Ltd | Backrest structure for chair |
| KR200336016Y1 (en) * | 2003-08-21 | 2003-12-11 | 주식회사 대건가구 | chair |
| CN2680111Y (en) * | 2003-11-04 | 2005-02-23 | 乔山健康科技股份有限公司 | Angle adjustable device of back of chair |
| CN2730676Y (en) * | 2004-09-29 | 2005-10-05 | 莫志强 | Seat pneumatically adjusted by back inclined angle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394736A (en) * | 2012-05-01 | 2015-03-04 | 株式会社比可力 | Angle adjuster |
| US9211011B2 (en) | 2012-05-01 | 2015-12-15 | Hikari Co., Ltd | Angle adjuster |
| CN104394736B (en) * | 2012-05-01 | 2016-05-25 | 株式会社比可力 | Angle demodulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102448347B (en) | 2014-09-17 |
| WO2010137830A3 (en) | 2011-03-03 |
| WO2010137830A2 (en) | 2010-12-02 |
| JP2012527945A (en) | 2012-11-12 |
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