CN102176847B - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- CN102176847B CN102176847B CN200980140462.0A CN200980140462A CN102176847B CN 102176847 B CN102176847 B CN 102176847B CN 200980140462 A CN200980140462 A CN 200980140462A CN 102176847 B CN102176847 B CN 102176847B
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- CN
- China
- Prior art keywords
- support bar
- back support
- chair
- towards
- backrest
- 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.)
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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
-
- 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
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic 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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
- A47C1/03274—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs of torsion type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
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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
- A47C7/48—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)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
A chair configured such that a backrest support rod does not make contact with an object when the chair is swiveled and is thus reliably prevented from damaging the object or from being damaged by the object and that the chair uses a reduced number of parts, has a simple structure, and can be easily assembled. A chair, wherein front portions of front facing sections (9b) of a backrest support rod (9) are mounted to a support base (5) supported by a leg body (3) and supporting a seat (7). The backrest support rod (9) is formed in an L-shape in a side view and comprises upwardly facing raised sections (9a) and the forwardly facing front facing sections (9b). The upwardly facing raised sections (9a) and the forwardly facing front facing sections (9b) are connected together through a curved section (9c), and the raised sections (9a) support a backrest (6). A protective cover (11) covers at least that portion of the backrest support rod (9) which extends from the rear surface of the curved section (9c) to the lower surface thereof.
Description
Technical field
The present invention relates to a kind of back support bar side-looking and be substantially L shaped chair.
Background technology
It is substantially L shaped that the back support bar side-looking of chair is in the past, by bend by the erection part towards top and interconnecting towards front portion towards the place ahead, when chair rotates etc. in situation, in order to prevent because carrying on the back bar, be back support bar be connected to other article cause article or back of the body bar itself impaired, utilize lid that soft material is made to cover to carry on the back the rear surface of bar and lateral surface (for example, with reference to patent documentation 1: No. 2002-136388, Japanese Patent Publication communique JP).
In addition, utilize junction surface with lid, to cover the junction surface of leg framework and back of the body framework, this junction surface makes two covering parts open and close mutually (for example, with reference to patent documentation 2: No. 2000-14478, Japanese Patent Publication communique JP) by articulated section with lid.
Yet, in patent documentation 1, when the upper surface corner angle of thing are placed on the floor that is connected to low level towards front lower surface in back support bar, can cause placement thing or back of the body bar itself impaired, in addition, mounting cover in pair of right and left back support bar respectively, can cause number of components to increase and installation exercise loaded down with trivial details.
In patent documentation 2, the structure of lid itself is comparatively complicated, and manufacturing cost is increased.
Summary of the invention
In view of the problems referred to above that exist in conventional art, the object of the present invention is to provide a kind of chair, when chair rotates etc. in situation, can prevent reliably because of back support bar be connected to other article cause article or back support bar itself impaired, and number of components is few, simple in structure and easily assembling.
In addition, the present invention also aims to provide a kind of can with simple sound construction connect and compose the back frame of backrest and the chair of back support bar.
The present invention solves above-mentioned problem by following manner.
(1) chair, it comprises: chair leg; Bearing, is supported by described chair leg; Seat, by described bearing support; Back support bar, side-looking is L shaped substantially, described back support bar comprises: towards the erection part of top, towards the place ahead towards anterior and connect described erection part and described towards anterior bend is set, describedly towards anterior front portion, be arranged on described bearing; Backrest, is supported by the erection part of described back support bar; And over cap, at least cover in described back support bar, the part from bend rear surface to lower surface.
According to described structure, when chair rotates etc. in situation, can prevent reliably because of back support bar be connected to other article cause article or back support bar itself impaired, particularly can prevent because of the floor that is connected to low level towards front lower surface of back support bar place thing upper surface corner angle, cause placing thing or back support bar itself is impaired.
(2), on the basis of described (1), described over cap comprises bolster.
According to described structure, when chair rotates etc. in situation, the cushioning effect in the time of improving back support bar and be connected to other article.
(3), on the basis of described (1), described over cap is made by soft synthetic resin material or rubber.
According to described structure, when chair rotates etc. in situation, the cushioning effect in the time of improving back support bar and be connected to other article.
(4) on the basis of described (1), described erection part comprises pair of right and left up-and-down rod, described in pair of right and left, up-and-down rod is the extension upward of forked ground from described bend, describedly towards front portion, comprise that pair of right and left is towards front bar, described in pair of right and left, towards front bar from described bend, being forked ground forwards extends, described over cap comprises crooked covering part, upright covering part and forward covering part, described crooked covering part covers the rear surface of described bend, described upright covering part connection is arranged in described crooked covering part, and cover the rear surface of up-and-down rod described in each, the described connection of covering part is forward arranged in described crooked covering part, and cover described in each lower surface towards front bar.
According to described structure, without preparing two back support bar, only by a member, just can stably support backrest, and also without preparing a plurality of over caps, only there is a member, thereby can reduce number of components, make designs simplification, and easily assembling.
In addition, because over cap is except crooked covering part, is also provided with and covers the pair of upright covering part of each up-and-down rod rear surface and cover each towards a pair of covering part forward of front bar lower surface, so easily over cap is positioned.
(5) on the basis of described (4), described back support bar backsight is X-shaped, described crooked covering part covers the cross part of described X-shaped central authorities, the transverse width of described crooked covering part is greater than described up-and-down rod and/or the described transverse width towards front bar, and described crooked covering part to be substantially dome shape ground rearward outstanding.
According to described structure, can left and right balance and support reliably backrest, and can eliminate the corner angle of back support bar rear surface, thus the stress in the time of avoiding back support bar and other article butts is concentrated, and can present beautiful outward appearance.
(6) on the basis of described (4) or (5); on the rear surface, described up-and-down rod upper end of described back support bar, also there is recess; described recess is used for installing described backrest; in described recess, press and embed flexible jut, described elastic protrusion portion is arranged on the upper end front surface of each upright covering part of described over cap.
According to described structure, can be difficult to peel off and reliably each upright covering part leading section of over cap is arranged in back support bar, and can seal backrest installation recess, make good looking appearance.
(7) on the basis of described (1); in a part for the relative portion between described back support bar rear surface and described over cap front surface, be formed with space part, at least corresponding with the described space part part of described over cap is formed by elastomeric material.
According to described structure, when other article are connected to over cap during with rear surface space part corresponding part, by strain, this part is entered in space part, thereby can further improve the cushioning effect of over cap.
(8) on the basis of described (1), described backrest comprises back frame, and described back frame comprises: spatial portion, is configured in the central authorities of described back frame; And the framing component of band plate-like, tensioning is provided with for sealing the tensioner of described spatial portion, described chair also comprises pair of right and left extension, on the basic centre position of above-below direction of described back frame left and right directions inside edge, extension is to stretch out to the inside along the relative mode of left and right directions described in pair of right and left.
According to described structure, easily make to form the back frame moulding of backrest.
In addition, the load being applied to during due to dependence on back frame acts on the direction of the back frame bending causing with backrest hypsokinesis, so can improve the bending strength of back frame itself by forming extension.
In addition, by forming extension, can guarantee fully to connect back frame and the required area of back support bar by large-area extension, thereby can connect back frame and back support bar by simple sound construction ground.
(9), on the basis of described (8), described extension is rearward outstanding.
According to described structure, because extension is rearward outstanding, so can further improve the intensity of back frame.
(10), on the basis of described (8), the top of described back support bar is arranged on the rear surface of described extension.
According to described structure, can improve the bonding strength of back frame and back support framework.
(11) on the basis of described (10), by the pivot towards left and right directions, the upper pivot of described back support bar is arranged on described extension, the top of described back support bar can omnidirectional be rotated in the compass of regulation.
According to described structure, backrest is driven in the action of user's back, can rotate reposefully with respect to back support bar.
(12) on the basis of described (11), between described extension and the top of described back support bar, clamping has buffer component, and described buffer component comprises soft elastomer.
According to described structure, can effectively prevent from because chair is long-term, using the connecting portion wearing and tearing that cause between back frame and back support bar top or damaging.
The invention provides a kind of chair, when chair rotates etc. in situation, can prevent reliably because of back support bar be connected to other article cause article or back support bar itself impaired, and number of components is few, simple in structure and easily assembling.
In addition, can connect and compose securely by simple structure back frame and the back support bar of backrest.
Accompanying drawing explanation
Fig. 1 is the front view of the chair of first embodiment of the invention.
Fig. 2 is the side view of the chair of first embodiment of the invention.
Fig. 3 is the rearview of the chair of first embodiment of the invention.
Fig. 4 is the amplification vertical profile end view drawing along the IV-IV line of Fig. 3.
Fig. 5 is the cross-sectional top view of amplification along the V-V line of Fig. 2.
Fig. 6 is the side view while making back support bar hypsokinesis.
Fig. 7 is the stereogram of the chair of second embodiment of the invention.
Fig. 8 is the rearview of the chair of second embodiment of the invention.
Fig. 9 is the side view of the chair of second embodiment of the invention.
Figure 10 arranges the amplification stereogram of the framework under tensioner state in tensioning not.
Figure 11 arranges the framework forward sight exploded perspective view under tensioner state in tensioning not.
Figure 12 arranges the framework rear exploded perspective view under tensioner state in tensioning not.
Figure 13 arranges the amplification skiagraph under tensioner state along the XIII-XIII line of Figure 10 in tensioning.
Figure 14 arranges the enlarged cross sectional view under tensioner state along the XIV-XIV line of Figure 10 in tensioning.
Figure 15 arranges the amplification skiagraph under tensioner state along the XV-XV line of Figure 10 in tensioning.
Figure 16 arranges the amplification skiagraph under tensioner state along the XVI-XVI line of Figure 10 in tensioning.
Figure 17 means and wants portion's enlarged cross sectional view along the framework of the XVII-XVII line of Fig. 9 and the connection status of back support framework.
Figure 18 means along the exploded perspective view of the framework of the XVII-XVII line of Fig. 9 and the connection status of back support framework.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1～Fig. 6 represents the chair of first embodiment of the invention.
As depicted in figs. 1 and 2, this chair possesses chair leg 3, and this chair leg 3 has radial five leg bars 2, at the leading section of leg bar 2, is provided with scroll wheel 1.Central authorities at chair leg 3 are uprightly provided with telescopic leg post 4, and this leg post 4 possesses gas spring (Gas Spring, not shown), and the rear portion of bearing 5 is fixed on the upper end of leg post 4.
In the inside of bearing 5, be provided with two kinds of pressure devices (both are all not shown) etc., a kind of pressure device applies active force to backrest 6 to vertical direction, another kind of pressure device forwards applies active force to seat 7, because described pressure device and the present invention are without direct relation, so omitted diagram and described in detail.
Towards the pivot 8 of the hexa-prism of left and right directions, to connect mode pivot suspension at the rear portion of bearing 5, described pivot 8 can be rotated around its central axis.
For supporting the leading section of the back support bar 9 of backrest 6, be fixed on the both ends of pivot 8 in the mode with pivot 8 unitary rotation, the both ends of this pivot 8 are outstanding to the left and right from the two side of bearing 5.Described pivot 8 by be arranged in bearing 5 such as the pressure device (not shown) being formed by helical spring etc., backrest 6 and back support bar 9 are applied to active force towards vertical direction, that is, the counter clockwise direction in Fig. 2 applies active force.
It is substantially L shaped that back support bar 9 side-lookings are, by bend 9c by the erection part 9a towards top and interconnecting towards anterior 9b towards the place ahead, erection part 9a is by pair of right and left up-and-down rod 9d, 9d forms, pair of straight vertical rod 9d, 9d is from bend 9c branch, and extend upward, in addition, towards anterior 9b by pair of right and left towards front bar 9e, 9e forms, a pair of towards front bar 9e, 9e is from bend 9c branch, and forwards extend, each end of pivot 8 is the chimeric hexagonal hole 9f being fixed on towards left and right directions respectively, in 9f, this hexagonal hole 9f, 9f is arranged on described pair of right and left towards front bar 9e, the front end of 9e.
As shown in Figure 3 and Figure 4, by make back support bar 9 left and right up-and-down rod 9d, 9d from bend 9c obliquely toward the outer side top be circular-arc extension, and make left and right towards front bar 9e, 9e obliquely toward the outer side front lower place extend, thereby make back support bar 9 backsights be X-shaped, as the transverse width of the bend 9c of its central cross part, be greater than each up-and-down rod 9d and towards the transverse width of front bar 9e, and bend 9c to be substantially dome shape ground rearward outstanding.
In the bend 9c of back support bar 9 and the roughly whole rear surface of two up-and-down rod 9d, 9d and the rear surface from two towards front bar 9e, 9e the part at lower surface rear portion; be provided with continuous shallow recess 10; the over cap 11 that covers back support bar 9 rear surfaces is releasably entrenched on described recess 10; and be bonded in back support bar 9 by bonding agent or velcro, or screw togather as required and be fixed in back support bar 9.
Preferably the thickness of over cap 11 equates substantially with the degree of depth of recess 10, makes the surface of over cap 11 consistent with the surface of back support bar 9, can not produce jump.
Over cap 11 consists of soft synthetic resin material, rubber or other bolsters, and this over cap 11 possesses: crooked covering part 11a, the rear surface of the bend 9c of covering back support bar 9; Upright covering part 11b, connects and is arranged on described crooked covering part 11a above, and covers the rear surface of each up-and-down rod 9d; And covering part 11c forward, connect that to be arranged on crooked covering part 11a upper, and cover each towards lower surface of front bar 9e.
For being installed, the recess 12 of backrest 6 is arranged on the rear surface, upper end of each up-and-down rod 9d of back support bar 9; by being pressed into and being entrenched in described recess 12 being arranged on the 11d of elastic protrusion portion on the upper end front surface of each upright covering part 11b of over cap 11; can make the leading section of each upright covering part 11b of over cap 11 be arranged on reliably in back support bar 9 in the mode that is difficult to peel off; can seal for the recess 12 of backrest 6 is installed, can make specious simultaneously.
In addition; in the rear surface of back support bar 9 and a part for the relative portion of the front surface of over cap 11; be formed with space part (not shown); and if at least make the part corresponding with above-mentioned space part of over cap 11 be formed by elastomeric material; when other article are connected to over cap 11 during with rear surface space part corresponding part; can there is strain and enter in space part in this part of over cap 11, can further improve the cushioning effect of over cap 11.
Owing to being provided with described over cap 11 in back support bar 9; so in the situations such as chair rotation; can prevent from reliably itself damaging because back support bar 9 and other article butts cause article or back support bar 9, particularly can also prevent that ground that the lower surface towards anterior 9b because of back support bar 9 is connected to lower from placing the upper surface corner angle of thing, causing placing thing or back support bar 9 is damaged itself.
Owing to supporting in the above described manner backrest 6, so as shown in Figure 5, protruding axle 13 is given prominence on the upper end front surface of each up-and-down rod 9d that is arranged on back support bar 9, seat hole 14 is arranged on the sidepiece rear surface of the backrest 6 relative with the upper end front surface of described each up-and-down rod 9d, the leading section of described protruding axle 13 and described seat hole 14 are chimeric, and substantially movable chimeric towards the axis hole 15 of left and right directions with cardinal principle towards the locking pin 17 of left and right directions, described axis hole 15 is arranged on the leading section of protruding axle 13, the both ends of described locking pin 17 are fixed on the 16a of cylinder portion of rearward opening of seat board 16, this seat board 16 is used to form a hole 14, be fixed on the rear surface of backrest 6.
The leading section 13a of protruding axle 13 is spheroid, axis hole 15 connects this ball centre, the internal diameter of the central portion 15a of described axis hole 15 substantially equates with the external diameter of locking pin 17, and from central portion 15a to both sides, is formed with tapered hole part 15b, 15b, this tapered hole part 15b, 15b hole enlargement gradually laterally.
In the example shown in Fig. 5, locking pin 17 is bolt, by making it connect the axis hole 15 of the 16a of cylinder portion of seat board 16 and the leading section 13a of protruding axle 13, and make nut 17a be screwed together in the leading section of this locking pin 17, can prevent that locking pin 17 from coming off from the 16a of cylinder portion and axis hole 15, and prevent that protruding axle 13 from coming off from seat hole 14.Described locking pin 17 can be also pin rather than bolt, and in addition, the installation direction of locking pin 17 can be not only left and right directions, can be to be also parallel to the slightly direction of the rear surface of the backrest of low dip.In addition, can the protruding axle 13 of lid 18 covering of strain and the periphery of the coupling part of the 16a of cylinder portion.
Pars intermedia at protruding axle 13 is formed with the hole enlargement blade of a sword 13b of portion, and the described hole enlargement blade of a sword 13b of portion is connected to the upper end front surface of up-and-down rod 9d, base end part 13c and the axis hole 19 of protruding axle 13 are chimeric, described axis hole 19 is arranged on the upper end front surface of up-and-down rod 9d and towards rear, and utilize hold-down screw 20 that protruding axle 13 is fixed on up-and-down rod 9d, this hold-down screw 20 is chimeric with the above-mentioned recess 12 being arranged on the rear surface, upper end of up-and-down rod 9d, thus, protruding axle 13 is securely fixed in to the upper end of up-and-down rod 9d.
Preferably the bottom end face in seat hole 14 is sphere, is complementary shape with the sphere of the leading section 13a of protruding axle 13.
In addition, also can be in the sidepiece rear surface of backrest 6 rearward outstanding protruding axle 13 be set, and forms a seat hole 14 at the upper end front surface of each up-and-down rod 9d of the back support bar 9 relative with described protruding axle.
If support in the manner described backrest 6, only by making locking pin 17 movable chimeric with the axis hole 15 that is arranged on protruding axle 13 leading sections, just can support backrest 6, can not only make it around the axis towards left and right directions, rotate, can also make it towards the direction that departs from above-mentioned axis, rotate predetermined angular, so the device without costlinesses such as ball-and-socket joints just can support backrest 6, and can not produce unfavorable condition, and can make seated person feel comfortable.
; the leading section of connecting rod 21 is connected with bearing 5 by the axle 22 towards left and right directions; the rearward end of connecting rod 21 by the axle 24 towards left and right directions with outstanding bottom being connected downwards from backrest 6 of metal parts 23 is installed, this installation metal parts 23 is fixed on the rear surface, bottom of backrest 6.
The side-looking that connecting rod 21 is positioned at connecting rod 21 tops (or below) by the center of curvature is circular-arc rigid body formation, pair of right and left by being configured in back support bar 9 is towards between front bar 9e, 9e, make it be sandwiched in two towards between front bar 9e, 9e, and be not easy to be exposed on the external.
According to described structure, as shown in Figure 6, when leaning on, back support bar 9 hypsokinesis, follow in this, also hypsokinesis of connecting rod 21, now, because the center of rotation (pivot 8) of back support bar 9 is different from the center of rotation (axle 22) of connecting rod 21, so the rearward end of connecting rod 21 is rearward pressed the bottom of backrest 6, backrest 6, with respect to back support bar 9, centered by the axis towards left and right directions (locking pin 17), rotates to the direction (vertical direction) that the rotation direction with back support bar 9 (hypsokinesis direction) is contrary.
Described slotted hole 31 is arranged on that upwards tab 9g is upper, upwards tab 9g be arranged on back support bar 9 each towards in front bar 9e, than hexagonal hole 9f slightly by rearward part.
By being arranged on the pressure device (not shown) in bearing 5, all the time described axle 32 is forwards applied to active force.
In addition, described anterior supporting arrangement 27 also can adopt following structure to replace said structure, that is, and and as recorded in patent documentation 1, with the upper end of bearing connecting rod upward set on bearing front portion, be connected with the front portion of seat, and bearing connecting rod can hypsokinesis (not shown).
According to the said structure of described chair, when user is leaning on backrest 6, backrest 6 is overlooked with central portion than both sides recessed mode generation strain rearward.Now, the locking pin 17 by left and right moves at the interior slightly low dip of axis hole 15 of protruding axle 13, allows the strain of backrest 6.
In addition, back support bar 9 overcomes the active force of the pressure device of bearing 5 interior settings together with backrest 6, and hypsokinesis occurs, meanwhile, and connecting rod 21 hypsokinesis centered by the axle 22 of its below.
Now, because the back rake angle speed of connecting rod 21 is greater than the back rake angle speed of back support bar 9, and the axle 22 of connecting rod 21 is positioned at than the pivot of back support bar 98 more by rearward position, so rearward move the bottom that utilizes the axle 24 of connecting rod 21 rearward end to press backrest 6, backrest 6 is with respect to back support bar 9, centered by the axis towards left and right directions (locking pin 17), to the direction (vertical direction) that the rotation direction with back support bar 9 (hypsokinesis direction) is contrary, rotate.
; when leaning on; even back support bar 9 hypsokinesis; owing to having suppressed backrest 6 hypsokinesis; the state that it is kept upright; so when user can keep making the comfortable posture of back hypsokinesis, can not make limpingly sight line and arm towards the place ahead or front lower place, beat operation of keyboard etc. with posture easily.
In addition, on the basis of the basic structure of chair in the past, only add the simple structure that is connected the bottom of bearings 5 and backrest 6 by connecting rod 21, just can be in the above-mentioned comfortable posture of maintenance, beat like a cork the operation of keyboard etc., without as in the past, take the side-looking of backrest 6 own to be and can by complicated supporting structure, be supported at structure or the backrest 6 of fore-and-aft direction bending, thereby can make chair overall structure simplify.
Along with the hypsokinesis of back support bar 9, utilize the slotted hole 31 being arranged on described upwards tab 9g, axle 30 is moved to the back lower place, thus, make connecting rod 29 hypsokinesis.
Now, because the back rake angle speed of connecting rod 29 is greater than the back rake angle speed of back support bar 9, and the axle 28 of connecting rod 29 is positioned at than the pivot of back support bar 98 more by rearward position, so the rearward amount of movement of axle 30 is greater than the rearward amount of movement of slotted hole 31 of back support bar 9, axle 30 rearward slides in slotted hole 31, now, utilize the movement of axle 30, a supporting mass 25 rear portions are significantly moved to the back lower place.
; when back support bar 9 hypsokinesis; said structure can expand the seat 7 rearward shift motions in rear portion; thus; when back support bar 9 hypsokinesis, utilize connecting rod 21 rearward end to press backrest 6 bottoms and rearward move, rearward move subsequently significantly at seat 7 rear portions; can prevent the lower end of backrest 6 and seat 7 rear section from, thereby can experience the comfortable sense of taking a seat.
Like this, when back support bar 9 hypsokinesis, the bottom of backrest 6 is connected bar 21 and rearward presses, and backrest 6 rotates with respect to back support bar 9, to be kept upright state, movement along with described backrest 6 bottoms, seat 7 can significantly move to the back lower place, in the time of the hypsokinesis of user's back, does not make limpingly sight line and arm towards the place ahead or front lower place, that with posture easily, carries out keyboard beats operation etc., can keep comfortable operation posture.
Fig. 7～Figure 18 represents the chair of second embodiment of the invention.
In addition, use identical Reference numeral with the same or similar member of the first embodiment, and do not illustrated, omitted and illustrated simultaneously.
In the first embodiment, backrest 6 is the board members that consist of soft synthetic resin material that can strain, or at its front surface, clips bolster and carry out clad surface part, and in the second embodiment, backrest 36 is mesh tension structures.
As shown in Figure 10～Figure 12, backrest 36 possesses: the tensioner 37 of shape of a mesh; And as the framework 39 of back frame, described tensioner 37 tensionings are arranged on the front surface of framework 39, and can seal the spatial portion 38 that framework 39 central authorities offer.
Described framework 39 consists of the framing component in the continuous synthetic resin band plate-like processed of peripheral direction, possesses the continuous master of peripheral direction depending on being substantially square main frame 40, and this main frame 40 comprises: the 40A of top crossing frame portion; Pair of right and left sidepiece vertical frame section 40B, the 40B with expectation retroverted state; And the 40C of bottom crossing frame portion.
As shown in figure 13, the 40A of top crossing frame portion that forms main frame 40 circumferential edge parts is the arc-shaped surface that front surface tilts to back upper place, there is from inside edge edge laterally and be the section configuration that wall thickness increases, and on described outer circumferential edge rear portion, along left and right directions, be provided with engagement groove part 41, this engagement groove part 41 can engage with the edge member 37a being arranged in above-mentioned tensioner 37 peripheral edge portion.
As shown in figure 14, the section configuration of the outer ledge side of the vertical frame section 40B of sidepiece is to extend and be arranged to the thinner wall section that wall thickness is less to above-mentioned spatial portion 38 from the inside edge of the larger heavy section of wall thickness, and on described outer side edges edge, be provided with along the vertical direction the engagement groove part 42 being communicated with above-mentioned engagement groove part 41, this engagement groove part 42 can engage with the edge member 37a being arranged in above-mentioned tensioner 37 peripheral edge portion.
As shown in Figure 11 and Figure 12, after leaving a part for left and right end portions, the 40C of bottom crossing frame portion is divided into two parts along the thickness direction of fore-and-aft direction, thereafter face side is as base portion 43, a part for the left and right directions central portion of described base portion 43 is excised with expectation interval, and opposed end 44a, the 44a of described cut portion 44 are linked together by connecting frame 45, and it is relative with the front surface of base portion 43 that described connecting frame 45 is mounted to its rear surface, becomes the cap of front surface side.
On the central portion of described connecting frame 45 left and right directions, rearward give prominence to and be provided with fitting portion 46, this fitting portion 46 is entrenched in the cut portion 44 of above-mentioned base portion 43, and the width of described fitting portion 46 equals the opposed end 44a of the cut portion 44 of above-mentioned main frame 40 under original state, the size of space between 44a opposite face substantially.
In addition, by axle 24, the rear end of connecting rod 21 is arranged on and is installed on metal parts 23, these connecting rod 21 pivot suspensions are forming the bottom of the framework 39 of backrest 36, this installs metal parts 23 across between opposed end 44a, 44a in above-mentioned cut portion 44, is fixed on the rear surface of above-mentioned base portion 43.
Thus, when leaning on backrest 36, the load applying to base portion 43 rear surface central authorities by metal parts 23 is installed with respect to connecting rod 21, base portion 43 can strain.
On connecting frame 45, be formed with pair of right and left fixed part 47,47, this pair of right and left fixed part 47,47 extends to opposed end 44a, the 44a front surface side of the cut portion 44 of above-mentioned base portion 43 from the two ends of above-mentioned fitting portion 46 front surface sides.
The rear surface of described fixed part 47 is connected to the opposed end 44a of above-mentioned cut portion 44, the front surface of 44a, and across opposed end 44a, the 44a of above-mentioned cut portion 44, is separately fixed on the front surface of base portion 43.
By base portion 43 and connecting frame 45 are fitted together, as shown in Figure 15 and Figure 16, it is the larger section configuration of wall thickness of hollow structure that the 40C of bottom crossing frame portion forms inside, and in each hollow bulb, direction is given prominence to and is provided with a plurality of ribs 48,49 respectively forwards, backwards, and described a plurality of rib 48,49 length directions along upper and lower and left and right directions are arranged.
In addition, when connecting frame 45 is assembled on base portion 43, the abutting part 48a of the left and right end face butt of the formation of the end of rib 48 and fitting portion 46, this rib 48 is towards the opposed end 44a of the cut portion 44 of base portion 43, the opposite face of 44a.
Near rib 48 on base portion 43, be provided with bolt hole 50, and near the rib 49 of the left and right fixed part 47 of the connecting frame 45 relative with described bolt hole 50, across fitting portion 46, in left and right, be provided with a plurality of female threaded holes 51.
As shown in figure 15, the bolt 52 being inserted through by above-mentioned bolt hole 50 from base portion 43 rears is screwed on these female threaded holes 51, and the left and right fixed part 47 on connecting frame 45 is fixed on above-mentioned base portion 43 by described bolt 52.
In addition, left and right fixed part 47 on connecting frame 45 is divided into two parts of left and right, on these cutting parts 47A, be provided with a plurality of bolt holes 53, on base portion 43 front surfaces, be provided with the female threaded hole 54 relative with described bolt hole 53, bolt 55 from the place ahead respectively by above-mentioned bolt hole 53 and be screwed on described female threaded hole 54, thereby make above-mentioned cutting part 47A be fixed on the front surface of base portion 43.
Like this, by the fixed part of connecting frame 45 47 is cut apart, when leaning on above-mentioned backrest 36, with respect to the load that is applied to base portion 43 rear surface central authorities, the easy strain of base portion 43, can avoid stress to concentrate, and permissible range that can enlarged base 43 machining accuracies.
Near female threaded hole 51 on connecting frame 45, be provided with rearward outstanding protuberance 56, as shown in figure 15, under connecting state, near the recess 57 that described protuberance 56 can be with the bolt hole 50 that is formed on base portion 43 engages.
On fixed part 47 rear surfaces of connecting frame 45, be formed with slot part 58, by making described slot part 58 towards opposed end 44a, 44a front surface in the cut portion 44 of base portion 43, can make the engagement groove part 46a arranging on the upper engagement groove part 42 arranging of the vertical frame section 40B of above-mentioned sidepiece and above-mentioned fitting portion 46 lower surfaces be communicated with respectively, and can engage the edge member 37a arranging in above-mentioned tensioner 37 peripheral edge portion.
By the edge member 37a being arranged on tensioner 37 peripheral edge portion being turned back from above-mentioned main frame 40 front surface side direction rears with winding method, it is fastened on the engagement groove part 41,42 and slot part 58 forming in main frame 40 peripheral edge portion, thereby the front surface side all-round ground tensioning that can spread all over framework 39 arranges tensioner 37, and seal the spatial portion 38 of framework 39 central authorities.
Thus, can spread all over the whole front surface of framework 39 with extended state and come tensioning that tensioner 37 is set, and because be tensioned part 37 of framework 39 front surface integral body covers, so there is in design stylishness.
In addition, although preference reticulates as high-tension plastics or other are had to flexible fibrage, or be made into netted, shape of a mesh, form tensioner 37, also can only adopt weave cotton cloth, synthetic resin cover processed and porous cover etc.
The order that tensioner 37 tensionings is arranged to framework 39 is below described.
First, at the cutting part 47A of fixed part 47, stay on base portion 43 and the state that connecting frame 45 is pulled down from main frame 40, overcome the elastic force of frame section, make the vertical frame section 40B of sidepiece of main frame 40 left and right as shown in the thin dashed line of Figure 11, towards shrinkage direction generation strain, that is, make opposed end 44a, the 44a direction close to each other of the cut portion 44 of base portion 43.
Under this state, the mode that tensioner 37 is reeled with the past surface lateral rear is turned back in the circumferential edge of main frame 40, by the edge member 37a arranging in tensioner 37 peripheral edge portion being fastened in the engagement groove part 41,42 that forms in main frame 40 circumferential edge, 46a, with extended state, tensioner 37 is arranged in the peripheral edge portion of main frame 40.
Then, make the vertical frame section 40B of left and right sidepiece of main frame 40 utilize screen resilience to be expanded to original state, tensioner 37 is being applied under the state of larger tension force, the rear surface of connecting frame 45 is assembled on base portion 43 front surfaces, by the fitting portion of connecting frame 45 46 chimeric for its left and right end face, be connected on the abutting part 48a on the opposite face between opposed end 44a, the 44a of cut portion 44 after, utilize the left and right fixed part 47,47 on 52 pairs of connecting frames 45 of bolt to be fixed connection, thereby opposed end 44a, the 44a of cut portion 44 are connected to each other.
Thus, without complicated processing just expeditiously tensioning tensioner 37 is set, and can keep tensioner 37 even tension spread in whole framework 39.
In addition, in the situation that connecting frame 45 is fixed on base portion 43 front surface, for example, rear surface upper limb at fixed part 47 and cutting part 47A arranges downward pawl, and the pawl making progress in their rear surface lower edge setting, by these pawls being sticked in to base portion 43 front surfaces, also can effectively prevent that connecting frame 45 is with respect to base portion 43 changing of the relative positions on above-below direction.
The top of back support bar 9 that forms back support framework is by pivot suspension and be connected to the rear portion of framework 39.
; as shown in figure 10; the inside edge of the vertical frame section 40B left and right directions of two of the left and right of main frame 40 sidepiece, above-below direction is substantially on centre position; rearward give prominence to and be formed with pair of right and left extension 59; described extension 59 toward each other, and stretches out to the inside towards described spatial portion 38 on left and right directions.
As shown in Figure 8, in order to be driven in the dependence action of backrest 36, the upper end of the left and right up-and-down rod 9d of back support bar 9 is connected in the rear end of described extension 59, make up-and-down rod 9d, around substantially towards the axis of left and right directions and towards the mode that departs from above-mentioned axis predetermined angular, rotating towards all directions in the compass of expectation.
In order to make the SURFACES MATCHING that is forward concave of overlooking of left and right extension 59 and framework 39, make left and right extension 59 central shafts tilt towards interior the place ahead (with reference to Figure 10, Figure 12), and for the hypsokinesis angle automatching with framework 39, make left and right extension 59 towards front upper place inclination (with reference to Fig. 9).
As shown in Figure 17, Figure 18, the fixing protruding axles 61 of screw 60 that are fixed are forwards arranged on the upper end front surface of left and right up-and-down rod 9d of back support bar 9 highlightedly, the front end of described protruding axle 61 is arranged to the sliding-contact surface member 62 of sphere-like, and cardinal principle is formed through on described sliding-contact surface member 62 towards the axis hole 63 of left and right directions simultaneously.
In described axis hole 63, from the central part of sliding-contact surface member 62, towards the left and right sides, be formed with tapered hole part 64,64, this tapered hole part 64,64 hole enlargement gradually toward the outer side.
On the other hand, on the extension 59 of the vertical frame section 40B of sidepiece, be provided with the rearward embedded hole 65 of opening, described embedded hole 65 is chimeric with seat barrel member 67, offers a hole 66 on this barrel member 67 towards rear.
The sliding-contact surface member 62 of above-mentioned protruding axle 61 inserts in the seat hole 66 of described seat barrel member 67 from rear, and make it can sliding-contact, make the above-mentioned axis hole 63 of locking pin 68 movable embedding towards cardinal principle left and right directions simultaneously, by the both ends, left and right of described locking pin 68 are inserted and are locked in stop hole 69, connect above-mentioned protruding axle 61 and seat barrel member 67, this stop hole 69 arranges the left and right sides of present barrel member 67.
The front end of present barrel member 67 is given prominence to and is provided with the bolt shaft 70 towards the place ahead, the front end of described bolt shaft 70 is through through hole 71, and side-prominent to the front surface of extension 59, this through hole 71 connects embedded hole 65 bottoms of above-mentioned extension 59, in addition, from the place ahead, make nut 72 be screwed together in outstanding axial region 70a and lock, thereby above-mentioned seat barrel member 67 is securely fixed in the embedded hole 65 of above-mentioned extension 59.
Thus, can rotate around the axis of locking pin 68 and the mode of predetermined angular can be rotated towards the direction that departs from above-mentioned axis, the upper end of the left and right up-and-down rod 9d of back support bar 9 is connected in to the rear portion of above-mentioned extension 59.
Between the upper end of up-and-down rod 9d front surface and the rear end face of extension 59, clamping has buffer component 73, and this buffer component 73 consists of soft elastomers such as synthetic rubber (エ ラ ス ト マ mono-, elastomer).
Described buffer component 73 can prevent wearing and tearing or the damage because of the connecting portion on the chair framework 39 that use causes for a long time and back support bar 9 tops.
By being pressed in the fixing hole 76 that is opened in bolt shaft 70 front ends rearward giving prominence to from described cap member 74 inside center the fixed bar 75 arranging, described cap member 74 is arranged on the front surface of extension 59.
At cap member 74 front surfaces and tensioning, be arranged between the rear surface of the tensioner 37 on framework 39 front surfaces, keep expectation compartment of terrain to be provided with gap a, when leaning on backrest 36 etc., even if user's back makes tensioner 37 rearward crooked, also can utilize above-mentioned gap a to make the tensioner 37 can contact cap member 74, or utilize the strain of cap member 74 to keep cushioning effect, so that the linking portion between bolt shaft 70 and nut 72 can directly not contact user's back.
The present invention is not limited to above-mentioned embodiment, also can adopt other modes of texturing to implement the present invention.
Claims (11)
1. a chair, is characterized in that comprising:
Chair leg;
Bearing, is supported by described chair leg;
Seat, by described bearing support;
Back support bar, side-looking is L shaped substantially, described back support bar comprises: towards the erection part of top, towards the place ahead towards anterior and connect described erection part and described towards anterior bend is set, describedly towards anterior front portion, be arranged on described bearing;
Backrest, is supported by the erection part of described back support bar; And
Over cap, at least cover in described back support bar, the part from bend rear surface to lower surface,
Described erection part comprises pair of right and left up-and-down rod, and up-and-down rod is forked ground from described bend and extends upward described in pair of right and left,
Describedly towards front portion, comprise that pair of right and left is towards front bar, towards front bar from described bend, being forked ground described in pair of right and left forwards extends,
Described over cap comprises crooked covering part, upright covering part and covering part forward,
Described crooked covering part covers the rear surface of described bend, described upright covering part connection is arranged in described crooked covering part, and cover the rear surface of up-and-down rod described in each, described covering part forward connects and is arranged in described crooked covering part, and covers described in each lower surface towards front bar.
2. chair according to claim 1, is characterized in that, described over cap comprises bolster.
3. chair according to claim 1, is characterized in that, described over cap is made by soft synthetic resin material or rubber.
4. according to the chair described in any one in claim 1～3, it is characterized in that,
Described back support bar backsight is X-shaped,
Described crooked covering part covers the cross part of described X-shaped central authorities,
The transverse width of described crooked covering part is greater than described up-and-down rod and/or the described transverse width towards front bar, and described crooked covering part to be substantially dome shape ground rearward outstanding.
5. according to the chair described in any one in claim 1～3, it is characterized in that,
On the rear surface, described up-and-down rod upper end of described back support bar, also have recess, described recess is used for installing described backrest,
In described recess, press and embed flexible jut, described elastic protrusion portion is arranged on the upper end front surface of each upright covering part of described over cap.
6. chair according to claim 1, is characterized in that comprising:
In a part for the relative portion between described back support bar rear surface and described over cap front surface, be formed with space part,
At least corresponding with the described space part part of described over cap is formed by elastomeric material.
7. chair according to claim 1, is characterized in that comprising:
Described backrest comprises back frame,
Described back frame comprises: spatial portion, is configured in the central authorities of described back frame; And the framing component of band plate-like, tensioning is provided with for sealing the tensioner of described spatial portion,
Described chair also comprises pair of right and left extension, and on the basic centre position of above-below direction of described back frame left and right directions inside edge, extension is to stretch out to the inside along the relative mode of left and right directions described in pair of right and left.
8. chair according to claim 7, is characterized in that, described extension is rearward outstanding.
9. chair according to claim 7, is characterized in that, the top of described back support bar is arranged on the rear surface of described extension.
10. chair according to claim 9, is characterized in that, by the pivot towards left and right directions, the upper pivot of described back support bar is arranged on described extension, and the top of described back support bar can omnidirectional be rotated in the compass of regulation.
11. according to the chair described in claim 9 or 10, it is characterized in that, between described extension and the top of described back support bar, clamping has buffer component, and described buffer component comprises soft elastomer.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008267410A JP5378747B2 (en) | 2008-10-16 | 2008-10-16 | Chair |
| JP2008-267410 | 2008-10-16 | ||
| JP2009042050A JP5543117B2 (en) | 2009-02-25 | 2009-02-25 | Chair backrest device |
| JP2009-042050 | 2009-02-25 | ||
| PCT/JP2009/066329 WO2010044331A1 (en) | 2008-10-16 | 2009-09-18 | Chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102176847A CN102176847A (en) | 2011-09-07 |
| CN102176847B true CN102176847B (en) | 2014-04-09 |
Family
ID=42106496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980140462.0A Expired - Fee Related CN102176847B (en) | 2008-10-16 | 2009-09-18 | Chair |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110198907A1 (en) |
| EP (1) | EP2347679B1 (en) |
| KR (1) | KR20110084241A (en) |
| CN (1) | CN102176847B (en) |
| CA (1) | CA2752446A1 (en) |
| WO (1) | WO2010044331A1 (en) |
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| JP5594878B2 (en) * | 2010-06-30 | 2014-09-24 | コクヨ株式会社 | Chair |
| JP5951960B2 (en) * | 2011-10-28 | 2016-07-13 | 株式会社岡村製作所 | Tensile structure |
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| US11229294B2 (en) | 2012-09-20 | 2022-01-25 | Steelcase Inc. | Chair assembly with upholstery covering |
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| US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
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| USD694538S1 (en) | 2012-09-20 | 2013-12-03 | Steelcase Inc. | Chair |
| USD698165S1 (en) | 2012-09-20 | 2014-01-28 | Steelcase Inc. | Chair |
| USD699959S1 (en) | 2012-09-20 | 2014-02-25 | Steelcase Inc. | Chair |
| US8998339B2 (en) | 2012-09-20 | 2015-04-07 | Steelcase Inc. | Chair assembly with upholstery covering |
| USD688907S1 (en) | 2012-09-20 | 2013-09-03 | Steelcase Inc. | Arm assembly |
| USD697729S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
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| USD695034S1 (en) | 2012-11-13 | 2013-12-10 | Steelcase Inc. | Chair |
| KR101378062B1 (en) * | 2013-02-15 | 2014-03-27 | (주) 파트라 | Chair |
| US20160135603A1 (en) * | 2013-06-06 | 2016-05-19 | Itoki Corporation | Chair |
| USD758774S1 (en) | 2015-04-24 | 2016-06-14 | Steelcase Inc. | Headrest assembly |
| USD781604S1 (en) | 2015-04-24 | 2017-03-21 | Steelcase Inc. | Chair |
| USD760526S1 (en) | 2015-04-24 | 2016-07-05 | Steelcase Inc. | Headrest assembly |
| USD759415S1 (en) | 2015-04-24 | 2016-06-21 | Steelcase Inc. | Headrest |
| US10743677B2 (en) * | 2015-06-29 | 2020-08-18 | Herman Miller, Inc. | Attachment structure for suspension seating |
| JP6695113B2 (en) * | 2015-08-31 | 2020-05-20 | 株式会社オカムラ | Furniture |
| USD773200S1 (en) * | 2015-11-03 | 2016-12-06 | Anji Hailong Furniture Co., Ltd. | Chair |
| USD785353S1 (en) * | 2015-11-24 | 2017-05-02 | Zhejiang Botai Furniture Co., Ltd. | Chair |
| DK201870155A1 (en) * | 2018-03-12 | 2019-09-30 | R82 A/S | Connection joint |
| JP7154935B2 (en) * | 2018-10-17 | 2022-10-18 | 株式会社オカムラ | chair backrest and chair with it |
| JP7163133B2 (en) * | 2018-10-17 | 2022-10-31 | 株式会社オカムラ | Backrest of chair, chair with same, method of assembling backrest |
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| US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| KR20210111654A (en) | 2020-03-03 | 2021-09-13 | 김보화 | Auxiliary Window for Air Conditioner Installation |
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- 2009-09-18 EP EP09820509A patent/EP2347679B1/en not_active Not-in-force
- 2009-09-18 KR KR1020117010807A patent/KR20110084241A/en not_active Application Discontinuation
- 2009-09-18 US US13/124,423 patent/US20110198907A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| US20110198907A1 (en) | 2011-08-18 |
| CN102176847A (en) | 2011-09-07 |
| CA2752446A1 (en) | 2010-04-22 |
| EP2347679A1 (en) | 2011-07-27 |
| KR20110084241A (en) | 2011-07-21 |
| EP2347679B1 (en) | 2013-03-13 |
| EP2347679A4 (en) | 2012-03-07 |
| WO2010044331A1 (en) | 2010-04-22 |
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