JP4484659B2 - Tensioning structure for upholstery in chair seats, etc. - Google Patents
Tensioning structure for upholstery in chair seats, etc. Download PDFInfo
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- JP4484659B2 JP4484659B2 JP2004299235A JP2004299235A JP4484659B2 JP 4484659 B2 JP4484659 B2 JP 4484659B2 JP 2004299235 A JP2004299235 A JP 2004299235A JP 2004299235 A JP2004299235 A JP 2004299235A JP 4484659 B2 JP4484659 B2 JP 4484659B2
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- 239000000463 material Substances 0.000 claims description 62
- 210000000078 claw Anatomy 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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Description
本発明は、椅子の座、背凭れ、またはヘッドレスト等(以下それらを総称して単に座という)における張材の張設構造に関する。 The present invention relates to a tension member tensioning structure in a chair seat, backrest, headrest or the like (hereinafter collectively referred to simply as a seat).
従来の椅子の座における張材の張設構造として、予めテンションを与えた張材の周囲に、縁材をモールド成形により取り付け、この縁材を座枠の上面側に形成された溝条に嵌合して取付けることにより、座枠の上面に張材を張設したものが知られている(特許文献1参照)。 As a tensioning structure for a conventional chair seat, an edge material is attached by molding to the periphery of the tension material that has been pre-tensioned, and this edge material is fitted into a groove formed on the upper surface side of the seat frame. It is known that a tension member is stretched on the upper surface of the seat frame by attaching them together (see Patent Document 1).
また、張材の周縁部に止着した挟入片を、座枠の外周部の下面に設けた周方向の保持溝内へ嵌入し、座枠の下面に取り付けた締付枠をもって、前記挟入片を保持溝内へ押し入れることにより、張材に張力を付与して、座枠の上面に張材を張設したものも知られている(特許文献2参照)。
しかし、前者は、使用者が着座する時に張材に加わる力によって、座枠が撓むのを防止するために、座枠の幅を大きくとる必要があり、また、張材の周囲の縁材が嵌合する溝条が、座枠の前面側に形成されていて、座枠の周囲が張材から露出するため、座枠が椅子の外観に占める割合が大きすぎて、デザイン的な洗練さに欠けるという問題がある。 However, in the former, it is necessary to increase the width of the seat frame in order to prevent the seat frame from being bent due to the force applied to the tension material when the user is seated, and the edge material around the tension material. The groove that fits in is formed on the front side of the seat frame, and the periphery of the seat frame is exposed from the upholstery. There is a problem of lacking.
また、後者は、使用者が着座する時に、張材に加わる力による座枠の撓みを、座枠と締付枠との2重の枠材により防止するようになっているため、重量が大となるとともに、部品点数が多く、組立に時間が掛かり、コスト高になるという問題がある。 In the latter case, when the user is seated, the seat frame is prevented from being bent due to the force applied to the tension member by the double frame material of the seat frame and the tightening frame. In addition, there are problems that the number of parts is large, assembly takes time, and the cost is high.
本発明は、従来の技術が有する上記のような問題点に鑑み、枠体が椅子の外観に占める割合が小さく、デザイン的にスマートであり、かつ軽量化、部品数の削減、および組立性の向上を図ることができるようにした椅子の背凭れ構造を提供することを目的としている。 In view of the above-mentioned problems of the conventional technology, the present invention has a small proportion of the frame body in the appearance of the chair, is smart in design, is light in weight, has a reduced number of parts, and is easy to assemble. An object of the present invention is to provide a chair backrest structure that can be improved.
本発明によると、上記課題は次のようにして解決される。
(1) 枠体の表面に張材を張設した椅子の座等における張材の張設構造において、前記枠体における互いに対向する1対の枠杆の外側面に、外側方に開口し、かつ長手方向を向く凹溝を設け、前記張材における相対する1対の縁部に固着した縁材を、張材の裏面側にほぼ1回転させることにより、その外周に張材を巻き付けた状態で、前記枠杆の凹溝に、張材とともに圧嵌する。
According to the present invention, the above problem is solved as follows.
(1) In a tension member tensioning structure in a chair seat or the like in which a tension member is tensioned on the surface of the frame body, the frame body is opened outwardly on the outer side surfaces of a pair of opposed frame rods . state and a groove oriented in the longitudinal direction is provided, the edge member fixed to the edge of the opposing pair of said tension member, by approximately one rotation on the back side of the stretched member, winding the stretched member to the outer periphery Then, it press-fits together with the upholstery material in the concave groove of the frame rod.
(2) 上記(1)項において、各枠杆の凹溝の開口部に拡幅段部を設けるとともに、縁材の先端部に拡幅頭部を設け、この拡幅頭部を、張材とともに前記拡幅段部に嵌合する。 (2) In the above item (1), a widening step is provided at the opening of the recessed groove of each frame rod, and a widening head is provided at the tip of the edge member. Fits into the step.
(3) 上記(1)または(2)項において、張材を、張力のあるネット状またはメッシュ状のものとする。 (3) In the above item (1) or (2), the tension material is a net-like or mesh-like material having tension.
(4) 上記(1)〜(3)項のいずれかにおいて、縁材の先端面と枠杆の外側面とをほぼ整合させる。 (4) In any one of the above items (1) to (3), the front end surface of the edge member and the outer surface of the frame rod are substantially aligned.
(5) 上記(1)〜(4)項のいずれかにおいて、枠体における他の互いに対向する1対の枠杆に、表裏方向に貫通する係合孔を設け、前記張材における他の相対する1対の縁部に、先端部に係止爪を有する縁材を固着し、前記張材を、前記各枠材の表面から外側面を経て裏面に至るように巻き付け、かつ前記縁材を係合孔に裏面側から嵌合し、前記係止爪を各枠杆の表面における係合孔の内側の縁に係止する。 (5) In any one of the above items (1) to (4), an engagement hole penetrating in the front and back direction is provided in another pair of oppositely facing frame rods in the frame body, An edge member having a locking claw at a tip end is fixed to a pair of edge portions to be wound, the tension member is wound from the surface of each frame member to the back surface through the outer surface, and the edge member is The engaging hole is fitted to the engaging hole from the back side, and the locking claw is locked to the inner edge of the engaging hole on the surface of each frame rod.
本発明によると、次のような効果を奏することができる。
(1) 請求項1記載の発明によると、縁材を、張材の裏面側にほぼ1回転させることにより、外周に張材を巻き付けて、枠杆の凹溝に、張材とともに圧嵌したので、縁材が張材により完全に覆われて、外部に露呈することがないので体裁がよく、しかも従来のような締付枠を設ける必要がないので、デザイン的にスマートな印象を与えることができるだけでなく、従来の2重の枠材を用いるものに比して、軽量化、部品点数の削減、および組立性の向上を図ることができる。
According to the present invention, the following effects can be achieved.
(1) According to the first aspect of the invention, the edge member is rotated around the back side of the upholstery material by approximately one turn so that the upholstery material is wound around the outer periphery and press-fitted together with the upholstery material in the concave groove of the frame rod . Therefore, the edge material is completely covered with the upholstery material and it is not exposed to the outside, so it looks good and there is no need to provide a conventional tightening frame, so it gives a smart impression in design. In addition, the weight can be reduced, the number of parts can be reduced, and the assemblability can be improved as compared with the conventional one using a double frame material.
(2) 請求項2記載の発明によると、縁材の拡幅頭部を、張材とともに、各枠杆における凹溝の拡幅段部に嵌合したことにより、張材が縁材と凹溝との間で段状に挟み込まれて、強力に把持され、張材の張りが緩むのを確実に防止することができる。
(2) According to the invention described in
(3) 請求項3記載の発明によると、張材を、ネット状またはメッシュ状としたことにより、美麗な外観の椅子を提供することができる。
(3) According to the invention described in
(4) 請求項4記載の発明によると、縁材の先端面と枠杆の外側面とがほぼ整合するので、座の側面からの突出感はなくなり、美麗な外観を呈することができる。 (4) According to the invention described in claim 4, since the front end surface of the edge member and the outer surface of the frame rod are substantially aligned, there is no sense of protrusion from the side surface of the seat, and a beautiful appearance can be exhibited.
(5) 請求項5記載の発明によると、枠体における互いに対向する1対の枠杆間の張材の張設構造と、それらと異なる方向にある1対の枠杆間の張材の張設構造とを異ならせることにより、張材の張り強さを、張材の方向によって異ならせたり、外面に現れる形状を枠体の方向によって異ならせたりすることができ、デザインを多様化することができる。また、張材の縦と横との張設構造をこのように互いに異ならせると、張材を三次元的に湾曲するように張るときに都合がいい。 (5) According to the invention described in claim 5, the tension member tensioning structure between the pair of opposite frame ribs in the frame body and the tension member tension between the pair of frame collars in different directions. By making the structure different, the tension strength of the tension material can be varied depending on the direction of the tension material, and the shape appearing on the outer surface can be varied depending on the direction of the frame, thus diversifying the design. Can do. In addition, when the tension structure of the tension material is different from each other in this way, it is convenient when the tension material is stretched so as to be curved three-dimensionally.
本発明の一実施形態を、添付図面を参照して説明する。
図1は、本発明の一実施形態を備える椅子の正面図、図2は同じく側面図である。この実施形態では、椅子の座における張材の張設構造に本発明を適用している。
An embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a front view of a chair provided with an embodiment of the present invention, and FIG. 2 is a side view of the same. In this embodiment, the present invention is applied to a tension member tensioning structure in a chair seat.
図1および図2に示すように、リクライニング椅子(1)は、先端部にキャスタ(2)が設けられた放射状の5本の脚杆(3)を有する脚体(4)を備えている。脚体(4)の中央には、内部にガススプリング(5)を備える伸縮式の脚柱(6)が立設され、脚柱(6)の上端には、支基(7)の後部が固着されている。 As shown in FIGS. 1 and 2, the reclining chair (1) includes a leg body (4) having five radial leg rods (3) each having a caster (2) provided at the tip. In the center of the leg (4), a telescopic leg column (6) having a gas spring (5) inside is erected, and at the upper end of the leg column (6) is a rear part of the support base (7). It is fixed.
支基(7)は、前半部の上面が開口する平面菱形の中空箱状をなし、支基(7)の前部両側面には、左右両方に延出する腕部(8)(8)が一体的に形成されている。 The support base (7) is in the shape of a flat diamond-shaped hollow box whose upper surface of the front half is open, and on both sides of the front part of the support base (7), arms (8), (8) extending in both the left and right directions. Are integrally formed.
支基(7)の前後方向のほぼ中央には、左右方向を向く六角軸よりなる枢軸(9)が貫通され、支基(7)より両側方に突出する枢軸(9)の両端部には、背凭れ(10)を支持する左右1対の背凭れ支持杆(11)(11)における前方を向く下部の前端部に形成された左右方向を向く筒部(11a)(11a)が固嵌され、枢軸(9)と背凭れ支持杆(11)(11)と背凭れ(10)とは、枢軸(9)の軸線を中心として、互いに一体となって、支基(7)に対して回動し得るようになっている。 A pivot (9) consisting of a hexagonal shaft pointing in the left-right direction is passed through the center of the support base (7) in the front-rear direction, and at both ends of the pivot (9) protruding from the support base (7) on both sides. The left and right cylindrical portions (11a) and (11a) formed on the front end portion of the lower portion facing forward in the pair of left and right backrest support rods (11) and (11) that support the backrest (10) are fixedly fitted. The pivot (9), the backrest support rod (11), (11), and the backrest (10) are integrated with each other about the axis of the pivot (9) to the support base (7). It can be rotated.
支基(7)の内部には、背凭れ支持杆(11)(11)を前上方に付勢するゴムトーションユニットとその付勢力調整手段(図示略)とが、また支基(7)の前部下面の中央には、ゴムトーションユニットと連係されて、ゴムトーションユニットの付勢力を補助するガススプリングユニット(13)がそれぞれ設けられ、これらによって、背凭れ(10)を起立する方向に向けて付勢する付勢手段が形成されている。 Inside the support base (7), there is a rubber torsion unit for biasing the backrest support rods (11) and (11) forward and upward, and its biasing force adjusting means (not shown), and the support base (7). A gas spring unit (13) is provided in the center of the lower surface of the front part to link the rubber torsion unit and assist the urging force of the rubber torsion unit. A biasing means for biasing is formed.
左右の背凭れ支持杆(11)(11)における枢軸(9)より若干後方の部分には、短寸の起立腕(12)(12)が上向きに突設されており、各起立腕(12) (12)の上端部には、座(14)の両側部を支持する前後方向を向く左右1対の座受けフレーム(15)(15)の後端部が、左右方向を向く軸(16)をもって、それぞれ連結されている。 Short standing arms (12) and (12) are projected upward from the left and right back support rods (11) and (11) slightly behind the pivot (9). ) At the upper end of (12), the rear ends of a pair of left and right seat support frames (15) (15) that support both sides of the seat (14) are shafts (16 ) Are connected to each other.
各座受けフレーム(15)の前端部下面には、後下方を向く傾斜面(15a)が形成されており、この傾斜面(15a)は、支基(7)より延出する腕部(8)の先端部上面に形成された後下方を向く傾斜面(8a)に、後下方に向かって摺動可能として載置されている。 An inclined surface (15a) facing rearward and downward is formed on the lower surface of the front end portion of each seat receiving frame (15), and the inclined surface (15a) is an arm portion (8) extending from the support base (7). ) Is formed so as to be slidable rearward and downward.
傾斜面(15a)と傾斜面(8a)との間には、傾斜面(15a)が傾斜面(8a)から離れないようにするための手段が設けられているが、これは本発明には直接関係しないので図示および説明を省略する。 Means is provided between the inclined surface (15a) and the inclined surface (8a) to prevent the inclined surface (15a) from separating from the inclined surface (8a). Since it is not directly related, illustration and description are omitted.
左右の座受けフレーム(15)(15)上には、座(14)の枠体(17)が前後位置調節可能として装着されている。なお、この前後位置調節手段も、本発明には直接関係しないので、図示および説明を省略する。 On the left and right seat receiving frames (15), (15), the frame (17) of the seat (14) is mounted so that the front-rear position can be adjusted. The front / rear position adjusting means is not directly related to the present invention, and therefore illustration and description thereof are omitted.
座(14)は、上述のように、座受けフレーム(15)の後端部が、左右方向を向く軸(16)をもって、背凭れ支持杆(11)に連結されており、かつ座受けフレーム(15)の傾斜面(15a)が、支基(7)における腕部(8)の先端部の傾斜面(8a)に摺動可能として載置されていることにより、背凭れ(10)の後傾と連動して、後下方に移動するようになっている。 As described above, the seat (14) has the rear end portion of the seat receiving frame (15) connected to the backrest support rod (11) with the shaft (16) facing in the left-right direction, and the seat receiving frame (14). Since the inclined surface (15a) of (15) is slidably mounted on the inclined surface (8a) of the tip of the arm portion (8) of the support base (7), the backrest (10) In conjunction with the backward tilt, it moves backward and downward.
次に、図3〜図8を参照して、座(14)の構造、特に張材(18)の張設構造について説明する。
図3および図4に示すように、座(14)における枠体(17)は、硬質合成樹脂材料により、平面視ほぼ方形をなすように形成され、左右方向を向く前枠杆(19)および後枠杆(20)と、この前後枠杆(19)(20)の端部同士を連結するとともに、前後枠杆(19)(20)より幅広とした、前後方向を向く左側枠杆(21)および右側枠杆(22)とを備えている。
Next, with reference to FIGS. 3 to 8, the structure of the seat (14), particularly the tensioning structure of the tension member (18) will be described.
As shown in FIGS. 3 and 4, the frame (17) in the seat (14) is formed of a hard synthetic resin material so as to form a substantially square shape in plan view, and the front frame ridge (19) and The rear frame 杆 (20) is connected to the ends of the front and rear frame ridges (19) and (20), and is wider than the front and rear frame ridges (19) and (20). ) And a right side frame ridge (22).
図5に示すように、左右側枠杆(21)(22)の内側部下面には、左右1対の前記座受けフレーム(15)(15)を、前後方向に摺動可能として下方より嵌合しうる前後方向を向く扁平な受け溝(23)(23)が設けられている。
また、図5に示すように、左右側枠杆(21)(22)の外側面には、長手方向、すなわち前後方向を向く凹溝(24)が設けられ、この凹溝(24)における外側方に開口する開口部には、拡幅段部(24a)が形成されている(右側枠杆(22)に関しては、左側枠杆(21)と左右対称につき図示を省略してある)。
As shown in FIG. 5, a pair of left and right seat frames (15) and (15) are slidable in the front-rear direction on the lower surface of the inner side of the left and right side frame rods (21) and (22) from below. Flat receiving grooves (23) and (23) facing in the front-rear direction are provided.
Further, as shown in FIG. 5, on the outer surface of the right and left side frame rod (21) (22), the longitudinal direction, that is provided with grooves (24) oriented in the longitudinal direction, definitive in this groove (24) A widening step portion (24a) is formed in the opening portion that opens outward (the right frame rod (22) is not shown because it is symmetrical with the left frame rod (21)).
図4および図7に示すように、前後枠杆(19)(20)には、下面から上面に向かって前後外向きに拡開するように傾斜する複数の横長の係合孔(25)が、長手方向、すなわちほぼ左右方向に沿って設けられている(前枠杆(19)に関しては、後枠杆(20)と前後対称につき図示を省略してある)。なお、これらの係合孔(25)は、左右方向に連続する一連の係合孔の中間の複数箇所に、前後方向を向くリブ(26)(図7参照)を設けたものとして形成してもよい。
また、前後枠杆(19)(20)における下面(裏面)の外側縁には、下向の突条(27)が設けられている。
As shown in FIGS. 4 and 7, the front and rear frame rods (19) and (20) have a plurality of horizontally long engagement holes (25) that incline so as to expand outwardly from the lower surface toward the upper surface. The front frame ridge (19) is not shown in the figure because it is symmetrical with the rear frame ridge (20). These engagement holes (25) are formed by providing ribs (26) (see FIG. 7) facing the front-rear direction at a plurality of positions in the middle of a series of engagement holes continuous in the left-right direction. Also good.
Further, downward ridges (27) are provided on the outer edges of the lower surfaces (back surfaces) of the front and rear frame rods (19) and (20).
張材(18)は、例えば高張力プラスチックその他の弾性を有する繊維をネット状に編むか、または織ったネット状もしくはメッシュ状のものが好ましいが、単なる織布、合成樹脂製シート、多孔質性シー材等からなるものとしてもよい。張材(18)の左右の側縁には、上記各凹溝(24)に嵌入される合成樹脂製の縁材(28)が、また前後の縁には、合成樹脂製の縁材(29)が、それぞれ固着されている。 The upholstery material (18) is preferably a net-like or mesh-like material knitted or woven from a high-tensile plastic or other elastic fiber, but is simply a woven fabric, a synthetic resin sheet, porous It may be made of a sea material or the like. On the left and right side edges of the upholstery material (18) are synthetic resin edge members (28) fitted in the respective concave grooves (24), and on the front and rear edges, synthetic resin edge materials (29 ) Are fixed to each other.
縁材(28)は、先端部に、凹溝(24)の拡幅段部(24a)よりわずかに小寸の拡幅頭部(28a)を備えており、図6の(a)〜(e)に示すように、この縁材(28)を、張材(18)の裏面側にほぼ1回転させることにより、外周に張材(18)を巻き付けて、図5に示すように、左右側枠杆(21)(22)の凹溝(24)内に、張材(18)とともに嵌合することにより、張材(18)は左右側枠杆(21)(22)に張設されている。
このように、縁材(28)の周りに張材(18)を巻き付けて凹溝(24)に嵌合することにより、縁材(28)が張材(18)により完全に覆われ、外部に露呈することがないので体裁がよい。
The edge member (28) is provided with a widened head (28a) slightly smaller than the widened step (24a) of the concave groove (24) at the tip, and (a) to (e) of FIG. As shown in FIG. 5, the edge member (28) is rotated almost once on the back side of the tension member (18) to wind the tension member (18) around the outer periphery, and as shown in FIG. The upholstery (18) is stretched on the left and right side frames (21) (22) by fitting together with the upholstery (18) in the recessed groove (24) of the eaves (21) (22). .
In this way, by winding the upholstery material (18) around the edge material (28) and fitting it into the groove (24), the edge material (28) is completely covered with the upholstery material (18), and the outside The appearance is good because it will not be exposed.
このとき、縁材(28)の拡幅頭部(28a)は、その外周に巻き付けられた張材(18)とともに、凹溝(24)の拡幅段部(24a)に圧嵌されることにより、張材(18)が縁材(28)と凹溝(24)との間で段状に挟み込まれて、強力に把持され、張材(18)の張りが緩むのが確実に防止される。 At this time, the widened head portion (28a) of the edge member (28) is press-fitted to the widened step portion (24a) of the concave groove (24) together with the tension member (18) wound around the outer periphery thereof. The upholstery material (18) is sandwiched between the edge material (28) and the groove (24) in a stepped manner and firmly held, and the tension of the upholstery material (18) is reliably prevented from loosening.
また、このとき、縁材(28)の先端面と左右側枠杆(21)(22)の外側面とがほぼ整合するようにしておくと、座(14)の側面からの突出感はなくなり、美麗な外観を呈することができる。 At this time, if the front end surface of the edge member (28) and the outer surface of the left and right side frame rods (21) (22) are substantially aligned, there will be no sense of protrusion from the side surface of the seat (14). , Can have a beautiful appearance.
図8に想像線で示すように、縁材(29)は、張材(18)の前後の縁部の左右方向に連続して設けた単一の基部(29a)より左右方向に互いに離間して、同一方向に延出し、かつ先端部に上向きの係止爪(29b)を有する複数の突片(29c)を備えている。 As shown by the imaginary line in FIG. 8, the edge members (29) are separated from each other in the left-right direction from the single base portion (29a) continuously provided in the left-right direction of the front and rear edges of the tension member (18). And a plurality of projecting pieces (29c) extending in the same direction and having an upward locking claw (29b) at the tip.
図7に示すように、張材(18)の前後の端部を、前後枠杆(19)(20)の上面から外側面を経て下面に至るように巻き付け、かつ縁材(29)の各突片(29c)を各係合孔(25)に下方より嵌合し、係止爪(29b)を前後枠杆(19)(20)の上面における係合孔(25)の内側の縁に係止させることにより、張材(18)は前後枠杆(19)(20)に張設されている。
このようにして張材(18)を前後枠杆(19)(20)に張設すると、縁材(29)の係止爪(29b)が前後枠杆(19)(20)の上面における係合孔(25)の内側の縁に係止しているので、縁材(29)、したがって張材(18)の前後の縁が枠体(17)から外れにくく、張材(18)を枠体(17)に強固に張設することができる。
また、張材(18)が、前後枠杆(19)(20)の上面から外側面を経て下面に至るように巻き付いているので、前後枠杆(19)(20)の大部分が張材(18)により覆われ、外部に露呈することがないので体裁がよく、デザイン的に洗練された印象を与えることができる。
As shown in FIG. 7, the front and rear ends of the tension member (18) are wound from the upper surface of the front and rear frame rods (19) and (20) so as to reach the lower surface through the outer surface, and each of the edge members (29) The projecting piece (29c) is fitted into each engagement hole (25) from below, and the locking claw (29b) is attached to the inner edge of the engagement hole (25) on the upper surface of the front and rear frame rods (19) and (20). By being locked, the upholstery material (18) is stretched around the front and rear frame rods (19) and (20).
When the tension member (18) is stretched on the front and rear frame rods (19) and (20) in this way, the locking claw (29b) of the edge member (29) is engaged with the upper surface of the front and rear frame rods (19) and (20). Since it is locked to the inner edge of the joint hole (25), the edge material (29), and therefore the front and rear edges of the tension material (18) are hard to come off from the frame body (17), and the tension material (18) is framed. The body (17) can be firmly stretched.
Further, since the upholstery material (18) is wound from the upper surface of the front and rear frame rods (19) and (20) so as to reach the lower surface through the outer surface, most of the front and rear frame rods (19) and (20) are It is covered with (18) and is not exposed to the outside, so it has a good appearance and can give a sophisticated design.
なお、このとき、前後枠杆(19)(20)の上面と張材(18)との間に、クッション材(30)を必要に応じて介在させておいてもよい。また、図7に示すように、係合孔(25)を、上面側に向かって外側に拡開するように傾斜させておくと、張材(18)の引張方向に対して縁材(29)が鋭角をなして係合孔(25)に嵌合し、係合孔(25)における上面側の内側の縁に縁材(29)の係止爪(29b)の基部が係合し、かつ係合孔(25)における下面側の外側の縁に縁材(29)の基部(29a)が当接するので、張材(18)の張力が大となるほど、縁材(18)は係合孔(25)から離脱しにくくなり、枠体(17)からの縁材(18)の外れを確実に防止することができる。 At this time, a cushion material (30) may be interposed between the upper surfaces of the front and rear frame rods (19) and (20) and the tension member (18) as necessary. In addition, as shown in FIG. 7, when the engagement hole (25) is inclined so as to expand outward toward the upper surface side, the edge member (29 ) Is engaged with the engagement hole (25) at an acute angle, and the base of the locking claw (29b) of the edge member (29) is engaged with the inner edge on the upper surface side of the engagement hole (25), And since the base (29a) of the edge member (29) abuts on the outer edge of the lower surface side in the engagement hole (25), the edge member (18) becomes more engaged as the tension of the tension member (18) increases. It becomes difficult to detach from the hole (25), and the detachment of the edge member (18) from the frame (17) can be reliably prevented.
さらに、係合孔(25)を、前後枠杆(19)(20)の長手方向に複数個設けたことにより、前後枠杆(19)(20)の強度の低下を防止することができるとともに、単一の縁材(29)に複数の突片(29c)を設けて、これらを前後枠杆(19)(20)における複数の係合孔(25)に嵌合するようにしたので、製造が容易になるとともに、複数の突片(29c)を同時に係合孔(25)に嵌合させることができるので、組み付け作業性もよくなる。 Furthermore, by providing a plurality of engagement holes (25) in the longitudinal direction of the front and rear frame rods (19) and (20), it is possible to prevent a decrease in strength of the front and rear frame rods (19) and (20). Since a plurality of projecting pieces (29c) are provided on a single edge member (29) and these are fitted into a plurality of engagement holes (25) in the front and rear frame rods (19) and (20), Manufacture is facilitated, and the plurality of projecting pieces (29c) can be simultaneously fitted into the engagement holes (25), so that the assembly workability is improved.
図7に示すように、前後枠杆(19)(20)における下面側の外側縁に、長手方向の突条(27)を設けておくと、縁材(29)に常にテンションが加わるため、係合孔(25)からの縁材(29)の外れを確実に防止することができる。 As shown in FIG. 7, if a longitudinal protrusion (27) is provided on the outer edge on the lower surface side of the front and rear frame rods (19) and (20), tension is always applied to the edge member (29). The detachment of the edge member (29) from the engagement hole (25) can be reliably prevented.
さらに、上述のように、枠体(17)における前後枠杆(19)(20)間の張材(18)の張設構造と、それらと交差する方向にある左右側枠杆(21)(22)間の張材(18)の張設構造とを互いに異ならせることにより、張材(18)の張り強さを張材(18)の方向によって異ならせたり、外面に現れる形状を枠体(17)の方向によって異ならせたりすることができ、デザインを多様化させることができる。また、張材(18)の縦と横との張設構造をこのように互いに異ならせると、張材(18)を三次元的に湾曲するように張るときに都合がいい。 Furthermore, as described above, the tension structure (18) between the front and rear frame rods (19) and (20) in the frame (17), and the left and right frame rods (21) in the direction intersecting with them (21) ( 22) By changing the tension structure of the tension member (18) between the two, the tension strength of the tension member (18) varies depending on the direction of the tension member (18), and the shape that appears on the outer surface is a frame. It can be varied depending on the direction of (17), and the design can be diversified. Further, when the tension structure of the tension member (18) in the vertical and horizontal directions is different from each other in this way, it is convenient when the tension member (18) is tensioned so as to be curved three-dimensionally.
なお、本発明においては、本発明の範囲を逸脱しない範囲で、幾多の異なる形態での実施が可能である。
例えば、上記の実施形態では、単一の縁材(29)に複数の突片(29c)を設けて、これらを前後枠杆(19)(20)における複数の係合孔(25)に嵌合するようにしたが、先端部に係止爪(29b)と同様の係止爪を有する複数の縁材(29)を、張材(18)の前後の縁の長手方向に適宜の間隔をもってそれぞれ止着しておき、それらを対応する係合孔(25)にそれぞれ嵌合するようにしてもよい。
It should be noted that the present invention can be implemented in many different forms without departing from the scope of the present invention.
For example, in the above embodiment, a plurality of protruding pieces (29c) are provided on a single edge member (29), and these are fitted into the plurality of engaging holes (25) in the front and rear frame rods (19) and (20). A plurality of edge members (29) having locking claws similar to the locking claws (29b) at the distal end portions are arranged at appropriate intervals in the longitudinal direction of the front and rear edges of the tension member (18). They may be fastened and fitted into the corresponding engagement holes (25).
また、上記実施形態は、本発明を椅子の座に適用したものであるが、本発明は、その向きを変更するだけで、椅子の背凭れやヘッドレスト等にもそのまま適用することができる。 Moreover, although the said embodiment applies this invention to the seat of a chair, this invention can be applied as it is also to a chair backrest, a headrest, etc. only by changing the direction.
(1)リクライニング椅子
(2)キャスタ
(3)脚杆
(4)脚体
(5)ガススプリング
(6)脚柱
(7)支基
(8)腕部
(8a)傾斜面
(9)枢軸
(10)背凭れ
(11)背凭れ支持杆
(11a)筒部
(12)起立腕
(13)ガススプリングユニット
(14)座
(15)座受けフレーム
(15a)傾斜面
(16)軸
(17)枠体
(18)張材
(19)前枠杆
(20)後枠杆
(21)左側枠杆
(22)右側枠杆
(23)受け溝
(24)凹溝
(24a)拡幅段部
(25)係合孔
(26)リブ
(27)突条
(28)縁材
(28a)拡幅頭部
(29)縁材
(29a)基部
(29b)係止爪
(29c)突片
(30)クッション材
(1) Reclining chair
(2) Casters
(3) Footpad
(4) Leg
(5) Gas spring
(6) Pillar
(7) Support base
(8) Arm
(8a) Inclined surface
(9) Axis
(10) Backrest
(11) Back support
(11a) Tube part
(12) Standing arm
(13) Gas spring unit
(14) Seat
(15) Seat support frame
(15a) Inclined surface
(16) axis
(17) Frame
(18) Upholstery material
(19) Front frame
(20) Rear frame 杆
(21) Left side frame
(22) Right side frame
(23) Receiving groove
(24) Concave groove
(24a) Widening step
(25) Engagement hole
(26) Rib
(27) Projections
(28) Edge material
(28a) Wide head
(29) Edge material
(29a) Base
(29b) Locking claw
(29c) Projection
(30) Cushion material
Claims (5)
An edge having an engaging hole penetrating in the front and back direction in another pair of oppositely facing frame rods in the frame, and having a locking claw at the tip at the other pair of opposite edges of the tension member The material is fixed, the tension material is wound from the front surface of each frame material so as to reach the back surface through the outer surface, and the edge material is fitted into the engagement hole from the back surface side. The stretch structure for a tension member in a chair seat or the like according to any one of claims 1 to 4, wherein the tension member is locked to an inner edge of the engagement hole on the surface of the frame rod.
Priority Applications (1)
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JP2004299235A JP4484659B2 (en) | 2004-10-13 | 2004-10-13 | Tensioning structure for upholstery in chair seats, etc. |
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JP2004299235A JP4484659B2 (en) | 2004-10-13 | 2004-10-13 | Tensioning structure for upholstery in chair seats, etc. |
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JP2006110002A JP2006110002A (en) | 2006-04-27 |
JP4484659B2 true JP4484659B2 (en) | 2010-06-16 |
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JP2004299235A Expired - Lifetime JP4484659B2 (en) | 2004-10-13 | 2004-10-13 | Tensioning structure for upholstery in chair seats, etc. |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011045567A (en) * | 2009-08-27 | 2011-03-10 | Kokuyo Co Ltd | Swivel chair |
JP6419423B2 (en) * | 2013-11-11 | 2018-11-07 | コクヨ株式会社 | Chair |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129473U (en) * | 1981-02-06 | 1982-08-12 | ||
JPS59114100U (en) * | 1983-01-24 | 1984-08-01 | 株式会社岡村製作所 | Fastening device for the periphery of the chair upholstery |
JPH08507935A (en) * | 1992-06-15 | 1996-08-27 | ハーマン、ミラー、インコーポレイテッド | Office chair |
JPH0965955A (en) * | 1995-09-01 | 1997-03-11 | Takano Co Ltd | Upholstering structure of chair skin member |
JP2575997Y2 (en) * | 1993-01-28 | 1998-07-02 | 池田物産株式会社 | Skin material terminal fixing structure for vehicle seat |
JP2003510115A (en) * | 1999-09-29 | 2003-03-18 | グレゴリー、ピーター、ジョージ、ゴードン | Chair |
-
2004
- 2004-10-13 JP JP2004299235A patent/JP4484659B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129473U (en) * | 1981-02-06 | 1982-08-12 | ||
JPS59114100U (en) * | 1983-01-24 | 1984-08-01 | 株式会社岡村製作所 | Fastening device for the periphery of the chair upholstery |
JPH08507935A (en) * | 1992-06-15 | 1996-08-27 | ハーマン、ミラー、インコーポレイテッド | Office chair |
JP2575997Y2 (en) * | 1993-01-28 | 1998-07-02 | 池田物産株式会社 | Skin material terminal fixing structure for vehicle seat |
JPH0965955A (en) * | 1995-09-01 | 1997-03-11 | Takano Co Ltd | Upholstering structure of chair skin member |
JP2003510115A (en) * | 1999-09-29 | 2003-03-18 | グレゴリー、ピーター、ジョージ、ゴードン | Chair |
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