JPH0458905A - Chair with back rest - Google Patents
Chair with back restInfo
- Publication number
- JPH0458905A JPH0458905A JP16952190A JP16952190A JPH0458905A JP H0458905 A JPH0458905 A JP H0458905A JP 16952190 A JP16952190 A JP 16952190A JP 16952190 A JP16952190 A JP 16952190A JP H0458905 A JPH0458905 A JP H0458905A
- Authority
- JP
- Japan
- Prior art keywords
- backrest
- seat
- chair
- pressing member
- fixed
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は背もたれ伺椅子に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a reclining chair.
（従来の技術）
第６図は背もたれ部の」二部が後傾する背もたれ付椅子
として先に出願人が提案したものである（特願昭６３−
２０２００５号）。この椅子はＬ字状に一体成形したイ
ンナーシェル２にクツション４を一体に設け、座受は基
板にリンク結合した背支桿でインナーシェル２の背もた
れ部を支持したものである。座受は基板と背支桿とはリ
ンク機構により背支桿が後傾した際に座受は基板が前動
するように構成されている。(Prior Art) Fig. 6 shows a chair with a backrest in which two parts of the backrest are tilted backwards (Patent Application No. 1983-
202005). In this chair, a cushion 4 is integrally provided on an inner shell 2 integrally molded in an L-shape, and the seat support supports the backrest portion of the inner shell 2 with a back support rod linked to a base plate. The seat support is configured such that the base plate and the back support rod are linked by a link mechanism so that when the back support rod is tilted backward, the base plate of the seat support moves forward.
また、第５図は背もたれ部の上部が後傾して座部が固定
されている椅子として先に提案したものである（特願昭
６３＝２２０６５８号）。図は椅子のシェル構造を示す
。この椅子では座受は基板６の後部に背支桿８が回動可
能に支持され、背支桿８に弾性板状体１０が回動可能に
取り付けられて背もたれ部の−１一部側が後傾可能とな
っている。Furthermore, Fig. 5 shows a chair previously proposed in which the upper part of the backrest tilts backward and the seat is fixed (Japanese Patent Application No. 220658 (1983)). The figure shows the shell structure of the chair. In this chair, a back support rod 8 is rotatably supported at the rear of a base plate 6, and an elastic plate-like body 10 is rotatably attached to the back support rod 8, so that the -1 part side of the backrest is supported at the rear. It can be tilted.
ところで、このような椅子では、椅子に腰を掛けたとき
に座部にかかる加重の中心点である座位基準点（第５図
中のＹ点）と背もたれ部にかかる加重の中心点である背
もたれ点（第５図中の１点）とが存在するが、この１点
とＹ点との間の距離は背もたれ部と座部が標７（ｆ；位
置にあるときと、背もだオし部が後傾したときのように
ＦＸ！８状態から動いた状態で等しくなることがのぞま
しい。背もたれ部が後傾したり、座部が元の位置から前
動すると１点は使用者の背の上方に移動するから、単に
すれた場合は使用者に違和感を与えたり、１点がずれる
ことでシャツがたくし上げられたりすることになったり
するからである。By the way, in such a chair, there are two points: the sitting position reference point (Y point in Figure 5), which is the center point of the load applied to the seat when you sit on the chair, and the backrest, which is the center point of the load applied to the backrest. There is a point (one point in Figure 5), but the distance between this point and point Y is when the backrest and seat are at position 7 (f; It is desirable that the points be equal when the seat is moved from the FX!8 state, such as when the backrest is tilted back.If the backrest is tilted back or the seat is moved forward from its original position, one point will be given to the user's back. This is because, since it moves upward, if it simply rubs, it will give the user a sense of discomfort, and if one point shifts, the shirt will be pulled up.
そこで、１−記従来例においては、インナーシェル２の
上記Ｘ点近傍位置からド方しこかけて帯状体部１２およ
び蛇腹部１４を設け、帯状体部１２および蛇腹部１４の
両側しこスリン）・を設けて、背もたれ部が後傾した際
しこ帯状体部１２が前方に突出して」二記の１点とＹ点
との間の用ｉ離が背もたれ部や座部が移動したときも変
動しないようにしている。Therefore, in the conventional example described in 1-1, the band-like body part 12 and the bellows part 14 are provided in a direction from the position near the above-mentioned point ) is provided so that when the backrest tilts backwards, the elastic band-like body 12 protrudes forward, and the distance between point 1 and point Y in 2 is reduced when the backrest or seat moves. I also try not to change.
（発明が解決しようとする課題）
ところで、従来例の椅子では上記のようにインナーシェ
ル２が座部と背もだ汎部とをあわせて全体で一体成形し
ているため、製造コス１へが非常にかかるという問題点
があった。すなわち、座部と背もだＡし部とを一体にし
て樹脂成形するため、成形装置が大形とならざるを得す
、金型の製作コスＩ−も非常に高いものとなっている。(Problems to be Solved by the Invention) By the way, in the conventional chair, as mentioned above, the inner shell 2 is integrally molded as a whole including the seat part and the backrest part, so the manufacturing cost 1 is reduced. There was a problem that it took a lot of time. That is, since the seat part and the backrest part A are integrally molded with resin, the molding apparatus has to be large, and the production cost of the mold is also very high.
また、座部才９よび背もたれ部は微妙な曲面形状で形成
しているから、クツションも一体成形で製造しており、
カバ一部の縫製も曲面にならって行うため容易ではない
。In addition, since the seat and backrest are formed with a delicately curved shape, the cushions are also manufactured in one piece.
It is not easy to sew a part of the cover because it follows the curved surface.
そこで、本発明は上記問題点を解消すべくなされたもの
であり、そのＩＩ的とするところは、従来一体化して製
造していた座部および背もたれ部をそれぞれ別体にして
製作してかつ従来の背もたれ付椅子と同様な機能を発揮
させることができるとともに、従来の背もたれ付き椅子
の座り心地をもさらに改善することのできる背もたれ付
椅子を提供しようとするものである。Therefore, the present invention has been made to solve the above problems, and its second feature is that the seat and backrest parts, which were conventionally manufactured in one piece, are manufactured separately, and the seat and backrest are manufactured separately. To provide a chair with a backrest that can exhibit the same function as the conventional chair with a backrest and further improve the sitting comfort of the conventional chair with a backrest.
（課題を解決するための手段）
本発明は上記［目的を達成するため次の構成をそなえる
。(Means for Solving the Problems) The present invention has the following configuration to achieve the above object.
すなわち、座部基板で１事部を支持すると共にＴ：５部
に（板しこ連携して設置ｉた背支桿で背もたれ部を支持
することにより、背もたれ部および／または座部を可動
に支持し、背もたれ部および／または座部が標！＜ｆ′
、位置から移動した際に、背もたれ部の背あて部が前方
に突出することによって座部の座位基Ｉ（Ｑ点と背もた
れ部の背もたれ点との間の距１πＦを一定に維持すへく
構成した背もたれ付椅子において、前記座部と前記前も
たれ部の背あて部との間に、一端側を座部に固定し他端
側を前記前もたれ部の背面側に延出して、延出端が前記
前あて部の背面に当接する押圧部材を改番づたことを特
徴とする。また、背もたれ付椅子としては前記押圧部材
の延出端を前記前あて部に固定したもの、前記前もたれ
部と座部とを分離して別体に形成したものが効果的であ
る。In other words, the backrest and/or the seat can be made movable by supporting one part with the seat base plate and supporting the backrest with the back support rod installed in conjunction with the other part (T:5). support, and the backrest and/or seat are marked!<f'
When the seat is moved from its position, the backrest of the backrest protrudes forward to maintain a constant distance 1πF between the seat position I (point Q and the backrest point of the backrest). In the chair with a backrest, an extending end is provided between the seat and the backrest of the frontrest, with one end fixed to the seat and the other end extending to the back side of the frontrest. is characterized in that the pressing member that comes into contact with the back surface of the front rest is renumbered.Furthermore, the chair with a backrest includes one in which the extending end of the pressing member is fixed to the front rest; It is effective to separate the part and the seat part and form them separately.
（作用）
押圧部材は一端側を座部に固定し、他端側を背もたれ部
の背あて部に当接あるいは固定する。背もたれ部が後傾
して座部が前動した際には押ハ：部材が座部とともにｉ
）「動し背あて部を背面がら押動し背あて部を前方に突
出させる。座部が固定で背もたれ部が後傾するものでは
、背もたれ部が後傾した際に背あて部の背面が押圧部材
の−１−縁に当接して背あて部が突出する。こうして、
標準位１３１がら座部あるいは背もたれが移動する際に
背あて部が突出し、座位基準点と背もたれ点との間の距
離をほぼ一定に保つことができる。(Function) One end of the pressing member is fixed to the seat, and the other end is brought into contact with or fixed to the backrest of the backrest. When the backrest tilts backwards and the seat moves forward, the push-up part will move along with the seat.
)" move the backrest from the back and make the backrest protrude forward. If the seat is fixed and the backrest tilts backwards, when the backrest tilts backwards, the backrest of the backrest will move forward. The backrest portion protrudes by coming into contact with the -1- edge of the pressing member.
When the seat or backrest moves from the standard position 131, the backrest protrudes, and the distance between the seat reference point and the backrest can be kept approximately constant.
（実施例）
以ド本発明の好適な実施例を添伺図面に基づいて詳細に
説明する。(Embodiments) Preferred embodiments of the present invention will now be described in detail with reference to accompanying drawings.
第１図は、本発明に係る背もたれ付椅子の一実施例を示
す説明図である。図では背もたれ付椅子の内部構造であ
るインナーシェルおよび速量は部、背支桿笠を示す。FIG. 1 is an explanatory diagram showing an embodiment of a chair with a backrest according to the present invention. The figure shows the inner shell, which is the internal structure of the chair with a backrest, the weight part, and the backrest.
第２図はインナーシェルの斜視図を示すが、従来例とは
異なりインナーシェルは座板部２０と背板部２２の２つ
に分離し、背板部２２の中央部に背あて部２４を設ける
。背あて部２４は両サイドに縦にスリンＩ〜２６をあけ
るとともに、背あて部２４の下方の背板部を切り欠いて
上辺でのみ背板部２２と連結させる。こうして背あて部
２４は下部側がフリーとなった舌片状となる。背あて部
２４と背板部２２とが連結する連結部２４ａは凹溝状に
やや薄厚に形成し、背あて部２４の下部側が動きやすく
している。FIG. 2 shows a perspective view of the inner shell, but unlike the conventional example, the inner shell is separated into two parts, a seat plate part 20 and a back plate part 22, and a back part 24 is provided in the center of the back plate part 22. establish. The backrest part 24 has vertical openings I to 26 on both sides, and the lower backboard part of the backrest part 24 is cut out so that it is connected to the backboard part 22 only at the upper side. In this way, the backrest part 24 has a tongue shape with the lower part free. A connecting part 24a connecting the backrest part 24 and the back plate part 22 is formed in a groove shape and slightly thin, so that the lower part of the backrest part 24 can move easily.
なお、背あて部２４を背板部２２に対して可動にするた
め、背あて部２４と背板部２２とを別体に形成して背あ
て部２４の上辺をヒンジ連結すると共に背あて部２４と
背板部２２の接続部間を弾性体でおさえるようにしても
よい。In addition, in order to make the backrest part 24 movable with respect to the backboard part 22, the backrest part 24 and the backboard part 22 are formed separately, and the upper side of the backrest part 24 is connected by a hinge, and the backrest part The connecting portion between 24 and the back plate portion 22 may be held down by an elastic body.
第１図において」二記インナーシェルの支持機構につい
て説明すると、脚柱２６の上端には前端側がゆるやかに
前方に向けて上昇し、後端側が比較的急角度で後方に上
昇する固定枠２７が固定されている。２８は天秤部材で
あって、固定枠２７の両端にそって、前記座板部２０を
支持する座部基板２９の下方に、かつ座部基板２９の前
後方向にのびており、その中途部において固定枠２７に
回動自在に軸着されている。In FIG. 1, to explain the support mechanism of the inner shell, the upper end of the pillar 26 has a fixed frame 27 whose front end side rises gently forward and whose rear end side rises backward at a relatively steep angle. Fixed. Reference numeral 28 denotes a balance member, which extends along both ends of the fixed frame 27, below the seat base plate 29 that supports the seat plate portion 20, and in the front-rear direction of the seat base plate 29, and is fixed at a midway portion thereof. It is rotatably pivoted to the frame 27.
３０は天秤部材２８の後端に設けた背支桿である。背支
桿３０はその上端部が前記背あて部２４の上辺近傍まで
延出し、上端に背板部２２をねじ止めして支持する支持
枠３２を横設している。30 is a back support rod provided at the rear end of the balance member 28. The upper end of the back support rod 30 extends to the vicinity of the upper side of the back rest part 24, and a support frame 32 for supporting the back plate part 22 by screwing it thereon is installed horizontally at the upper end.
３３はＬ字状リンクであり、固定枠２７の前端側の両側
部にＬ字の屈曲部において軸３４により回動自在に軸着
されている。Ｌ字状リンク３３の一方のリンク片端部は
座部基板２９の前部側の側部に軸着され、Ｌ字“状リン
ク３３の他方のリンク片端部に突設したピン３５が天秤
部材２８の前端に前後方向に長く設けた長孔３６に遊嵌
している。Reference numeral 33 denotes an L-shaped link, which is rotatably attached to both sides of the front end of the fixed frame 27 by a shaft 34 at an L-shaped bent portion. One link end of the L-shaped link 33 is pivoted to the front side of the seat base plate 29, and a pin 35 protruding from the other link end of the L-shaped link 33 is connected to the balance member 28. It is loosely fitted into an elongated hole 36 that is long in the front-rear direction at the front end.
座部基板２９の後部側はリンク板３７によって天秤部材
２８に連携されている。１１字状リンク３３とリンク板
３７は座部基板２９を前動させる力伝達手段を構成する
。３８は復帰およびバランス用のバネ等の伸縮体で、Ｌ
字状リンク３３の一方の片端部と固定枠２７の後端側に
設けた軸３９との間に設けられ、座板部２０を椅子とし
ての本来の標準位置に付勢すると共に、Ｌ字状リンク３
３および天秤部材２８を介して背支桿３０を椅子として
の本来の標準位置（起立位置）［こ付勢している。The rear side of the seat base plate 29 is linked to the balance member 28 by a link plate 37. The 11-shaped link 33 and the link plate 37 constitute a force transmitting means for moving the seat base plate 29 forward. 38 is an elastic body such as a spring for return and balance;
It is provided between one end of the letter-shaped link 33 and a shaft 39 provided on the rear end side of the fixed frame 27, and urges the seat plate portion 20 to the original standard position as a chair, and Link 3
3 and the balance member 28, the back support rod 30 is biased to the original standard position (erected position) of the chair.
４０は座部基板２９と前記背あて部２４の背面間に設置
した押圧部材である。押圧部材４０は一端側が座部基板
２９に固定され、他端側が背板部２２の背面側に延出し
、他端の上縁部が背あて部２４のほぼ中央位置に当接す
る。第２図に示すように実施例では押圧部材４０に薄板
状体を用い、座部から後方に平行に２本延出する背支桿
３０の中間に配置している。押圧部材４０は弾性体でも
非弾性体でもかまわないが弾性体の場合は背あて部２４
を後方から前方へ押圧する向きに付勢し、非弾性体の場
合は第１図に示すように略り形の形状を維持しうるよう
に形成する。押圧部材４０としては板状体や棒状体が使
用できる。Reference numeral 40 denotes a pressing member installed between the seat base plate 29 and the back surface of the backrest 24. One end of the pressing member 40 is fixed to the seat base plate 29, the other end extends to the back side of the back plate 22, and the upper edge of the other end comes into contact with approximately the center of the back rest 24. As shown in FIG. 2, in the embodiment, a thin plate-like member is used as the pressing member 40, and it is disposed between two back support rods 30 that extend rearward in parallel from the seat. The pressing member 40 may be an elastic body or an inelastic body, but if it is an elastic body, the backrest part 24
If it is an inelastic body, it is formed so as to be able to maintain a substantially rectangular shape as shown in FIG. 1. As the pressing member 40, a plate-shaped body or a rod-shaped body can be used.
前記座板部２０および背板部２２にクツションおよびカ
バーが取り付けられて完成品となる５こうして得られた
椅子は、」二連したリンク機構により、椅子に腰を掛け
て背もたれ部にもたれかかるように力を加えると、背支
桿３０が伸縮体３８の付勢力しこ抗して後傾し、それと
ともに座部基板２９が前動する。すなわち、背もたれ部
が後傾することと連動して座部が前動する。A cushion and a cover are attached to the seat plate part 20 and the back plate part 22 to form a completed product.5The thus obtained chair has a double link mechanism that allows you to sit on the chair and lean against the backrest part. When force is applied to the back support rod 30, the back support rod 30 tilts backward against the biasing force of the extensible body 38, and the seat base plate 29 moves forward at the same time. That is, the seat moves forward in conjunction with the backrest tilting backward.
このとき、座部基板２９の前動にともない座部基板２９
に固定された押圧部材４０も前に移動し、押圧部材４０
の」二端縁が背あて部２４を背面から前方に押圧するこ
とによって背あて部２４を前方に押し出す。背あて部２
４は舌片状に形成されて一定の弾力性を有するから押圧
部材４０によって押圧されて前方に突出する。At this time, as the seat base plate 29 moves forward, the seat base plate 29
The pressing member 40 fixed to also moves forward, and the pressing member 40
The two end edges of the two edges push the backrest 24 forward from the back surface, thereby pushing the backrest 24 forward. Backrest part 2
4 is formed into a tongue shape and has a certain elasticity, so that it is pressed by the pressing member 40 and protrudes forward.
この背あて部２４が押動される作用は、従来の背もたれ
部に設けた帯状体部の作用と同じてあって、前述した座
位基準点と背もたれ点との距離を一定にする作用をなす
。こうして、座部および背もたれ部が分離されたタイプ
の椅子で従来例と同様の作用を行わせることができる。The action of pushing the backrest part 24 is the same as the action of the band-like body part provided on the conventional backrest part, and serves to keep the distance between the above-mentioned sitting reference point and the backrest point constant. In this way, it is possible to perform the same function as the conventional example with a chair in which the seat portion and the backrest portion are separated.
上記説明から明らかなように押圧部材４０は座部の前動
にともなって背あて部２４を押動させるものであるから
、座部側で前動する部材に押圧部材４０を固定すれはよ
い。たとえば、座部ノ、（板２９のかわりに座板部２０
に設（ブてもよい。また、背あて部２４側においても、
上記のように背あて部２４の背面に当接させるだけでも
よいし、ねじ止め等で背あて部２４に固定してもよい。As is clear from the above description, since the pressing member 40 pushes the backrest 24 as the seat moves forward, it is sufficient to fix the pressing member 40 to a member that moves forward on the seat side. For example, the seat part (instead of the plate 29, the seat plate part 20
Also, on the backrest part 24 side,
As mentioned above, it may be simply brought into contact with the back surface of the backrest 24, or it may be fixed to the backrest 24 with screws or the like.
押圧部材４０の弾力強度、サイズ等は各椅子にあわせて
適宜設定することができる。The elastic strength, size, etc. of the pressing member 40 can be appropriately set according to each chair.
また、上記構成から、座部のみが前動して背もたれ部が
後傾しないタイプの背もたれ付椅子についても同様に適
用することができる。すなわち、このタイプの椅子では
−に記と同様に座部基板に押圧部材の一端側を固定し、
他端側を背あて部に当接しておけば、座部が前動した際
に押圧部材がともに前動し、」−北側と同様に背あて部
を前方に突出させて座位基ｌ（「：点と背もたれ点との
間の距離調整をすることができる。Further, the above configuration can be similarly applied to a chair with a backrest of a type in which only the seat portion moves forward and the backrest portion does not tilt backward. That is, in this type of chair, one end side of the pressing member is fixed to the seat base plate in the same way as described in -.
If the other end side is in contact with the backrest, when the seat moves forward, the pressing member will move forward as well, and the backrest will protrude forward in the same way as on the north side. : The distance between the point and the backrest point can be adjusted.
第３図は、座部が前動せず、背もたれ部のみが後傾する
タイプの椅子に上記押圧部材４０を付設した実施例であ
る。FIG. 3 shows an embodiment in which the pressing member 40 is attached to a chair of a type in which the seat does not move forward and only the backrest tilts backward.
この実施例の場合も−１−北側と同様にインナーシェル
を座板部２０と背板部２２の２つに分離している。背板
部２２に舌片状の背あて部２４を形成することは上記実
施例と同様である。In the case of this embodiment as well, the inner shell is separated into two parts, the seat plate part 20 and the back plate part 22, as in the -1-north side. Forming the tongue-shaped back rest part 24 on the back plate part 22 is the same as in the above embodiment.
第ご３図において、座部基板２９は脚柱２６に固設され
、座部基板２９に座板部２ｏが固定される。In FIG. 3, the seat base plate 29 is fixed to the pillar 26, and the seat plate portion 2o is fixed to the seat base plate 29. As shown in FIG.
背板部２２を支持する背支桿３０は、その基端部で座部
基板２９に回動自在に軸支される。なお、背支桿３０は
スプリングにより一定の付勢力で背支桿３０を標準の背
もた拉位置に復帰するよう支持されている。押圧部材３
ｏは座部基板２９に一端が固定され、他端が背あて部２
４の背面に当接する。The back support rod 30 that supports the back plate portion 22 is rotatably supported by the seat base plate 29 at its base end. The back support rod 30 is supported by a spring so as to return the back support rod 30 to the standard backrest position with a constant urging force. Pressing member 3
One end of o is fixed to the seat base plate 29, and the other end is fixed to the backrest part 2.
It touches the back of 4.
この実施例の椅子は背もたれ部に力が加わると、背支桿
３０が後傾し、そ才しにともなって背板部２２が後方に
倒れる。押圧部材４０は背支桿３０とは独立しているか
ら、背板部２２が後傾した際にも押圧部材４０は元位置
を維持し、これにより背あて部２４が押圧部材４０の」
二縁に背面から押し付けられるようになる。背板部２２
がさらに後方に移動すると、背あて部２４は押圧部材４
０がつかえとなって相対的に前方に押し出されることに
なる。In the chair of this embodiment, when force is applied to the backrest, the back support rod 30 tilts backward, and the backboard 22 falls backward as the child grows older. Since the pressing member 40 is independent of the back support rod 30, the pressing member 40 maintains its original position even when the back plate portion 22 tilts backwards, thereby causing the backrest portion 24 to move forward from the pressing member 40.
It will be pressed from the back against the two edges. Back plate part 22
When the backrest part 24 moves further backward, the backrest part 24 presses the pressing member 4
0 becomes a shackle and is pushed relatively forward.
すなわち、本実施例では、背もたれ部が後傾した際に背
あて部２４が前方に突出し、上記実施例と同様に座位基
！（１４点と背もたれ点との距離が一定に維持されるよ
う１．こなる。That is, in this embodiment, when the backrest section is tilted backward, the backrest section 24 protrudes forward, and as in the above embodiment, the backrest section 24 is moved forward. (1.Keep the distance between point 14 and the backrest point constant.
以−１−の各実施例の背もたれ付椅子は、従来例では座
部と背もたれ部とを一体成形していたインナーシェルを
２つに分離したことによって、デザイン的な変更と同時
に、従来例の椅子と同等の機能を保持することができ、
かつ椅子の製造コス［・を大きく引き下げることができ
るという効果がある。The chairs with backrests of each of the embodiments described below have a design change as well as a change in design by separating the inner shell, in which the seat and backrest were integrally molded in the conventional example, into two parts. It can maintain the same functionality as a chair,
Moreover, it has the effect of significantly reducing the manufacturing cost of the chair.
すなわち、座部および背もたれ部を分離することにより
、成形機の人形化を回避することができ、成形金型等の
製作コス１−を下げることができ、製造作業を容易にす
ることができる。また、インナーシェルに付随するクツ
ション部の製造も容易にでき、分離したことによってカ
バーの縫製作業等も容易にできるといった利点を有する
。That is, by separating the seat part and the backrest part, it is possible to avoid turning the molding machine into a doll, and it is possible to reduce the manufacturing cost of molding molds, etc., and to facilitate the manufacturing work. Further, the cushion part attached to the inner shell can be manufactured easily, and the separation makes it possible to easily sew the cover.
なお、第４図は、背もたれ部と座部が連動して移動する
タイプの従来例の背もたれ付椅子に」−記押圧部材４０
を付設した実施例である。この椅子では座部および背も
たれ部がインナーシェルとして−・体に形成されている
。In addition, FIG. 4 shows a pressing member 40 of a conventional chair with a backrest of the type in which the backrest portion and the seat portion move in conjunction with each other.
This is an example in which . In this chair, the seat and backrest are formed as an inner shell on the body.
本実施例では押圧部材４０の一端を座部基板２９Ｌこ固
定するとともに、押圧部材４０の他端側をインナーシェ
ル２とアウターシェル３の中間に延出させ、帯状体部１
２の後面に押圧部材４０を当接する。In this embodiment, one end of the pressing member 40 is fixed to the seat base plate 29L, and the other end of the pressing member 40 is extended between the inner shell 2 and the outer shell 3, and the belt-shaped body part 1
A pressing member 40 is brought into contact with the rear surface of 2.
帯状体部１２および蛇腹部１４は変形が容易に構成され
ているから、標′ｌ（ｆ！の座位置から背もたれ部が後
傾して座部が前動すると、前述した実施例と同様に押圧
部利４０が帯状体部１２を押圧して帯状体部］２を前方
に突出させ座位基７（１４点と背もたれ点との間のＲ［
ｌ：ｔｌｆ：調整を行う。Since the belt-shaped body portion 12 and the bellows portion 14 are configured to be easily deformed, when the backrest portion tilts backward and the seat portion moves forward from the seat position at mark 'l(f!), the same as in the above-described embodiment The pressing part 40 presses the band-shaped body part 12 to project the band-shaped body part 2 forward, and the seat base 7 (R [between the point 14 and the backrest point)
l:tlf: Perform adjustment.
従来例では背もたれ部が後傾して座部が前動する際にイ
ンナーシェルが変形することによって帯状体部１２が突
出していたが、本実施例の椅子の場合は押圧部材４０で
帯状体部１２を強制的に押動させるから帯状体部１２を
突出させることがより確実になされるという特徴があり
、押圧部材４０を付設することによって従来の背もたれ
付椅子での座位調節をさらに的確に行うことができる。In the conventional example, when the backrest part tilts backward and the seat part moves forward, the inner shell deforms and the band-like body part 12 protrudes, but in the case of the chair of this embodiment, the band-like body part 12 is pushed out by the pressing member 40. 12 is forcibly pushed, the belt-shaped body part 12 can be projected more reliably, and by attaching the pressing member 40, the sitting position in a conventional chair with a backrest can be adjusted more accurately. be able to.
以上、本発明について好適な実施例を挙げて種々説明し
たが、本発明はこの実施例に限定されるものではなく、
発明の精神を逸脱しない範囲内で多くの改変を施し得る
のはもちろんのことである。The present invention has been variously explained above using preferred embodiments, but the present invention is not limited to these embodiments.
Of course, many modifications can be made without departing from the spirit of the invention.
（発明の効果）
本発明に係る背もだわ付椅子によれば、上述したように
構成したことにより、椅子に腰かけた際の座位基準点と
背もたれ点との間の距離を一定にすることができて、背
もたれあるいは座部を可動にした背もたれ付椅子での座
り心地をさらに改善することができる。また、座部と背
もたれ部とを分離したタイプでは背もたれ付椅子の製造
を容易にして製造コスＩ・を大きく引き下げることがで
きる等の著効を奏する。(Effects of the Invention) According to the chair with a backrest according to the present invention, the distance between the sitting reference point and the backrest point when sitting on the chair can be made constant by having the above-described configuration. This makes it possible to further improve the comfort of sitting on a chair with a backrest that has a movable backrest or seat. In addition, a type in which the seat and backrest are separated has significant effects such as making it easier to manufacture a chair with a backrest and greatly reducing the manufacturing cost I.
第１図は本発明に係る背もたれ付椅子の一実施例の内部
構造を示す説明図、第２図は背あて部等を示す斜視図、
第３図および第４図は背もたれ付椅子の他の実施例を示
す説明図、第５図は背もたれ付椅子の従来例の内部構造
を示す説明図、第６図は背もたれ付椅子の従来例の説明
図である。
２・・・インナーシェル、 ４・・・クツション、 １
２・・・帯状体部、 １４・・・蛇腹部、２０・・・座
板部、 ２２・・・背板部、 ２４・・背あて部、
２９・・・座部基板、 ３０・・・背支桿、 ４０・
・・押圧部材。FIG. 1 is an explanatory diagram showing the internal structure of an embodiment of the chair with a backrest according to the present invention, and FIG. 2 is a perspective view showing the backrest etc.
3 and 4 are explanatory diagrams showing other embodiments of the chair with a backrest, FIG. 5 is an explanatory diagram showing the internal structure of a conventional example of the chair with a backrest, and FIG. 6 is an explanatory diagram of the conventional example of the chair with a backrest. It is an explanatory diagram. 2... Inner shell, 4... Cushion, 1
2... Band-shaped body part, 14... Bellows part, 20... Seat plate part, 22... Back plate part, 24... Back rest part,
29... Seat base plate, 30... Back support rod, 40.
...Press member.
Claims (1)
て設けた背支桿で背もたれ部を支持することにより、背
もたれ部および／または座部を可動に支持し、背もたれ
部および／または座部が標準位置から移動した際に、背
もたれ部の背あて部が前方に突出することによって座部
の座位基準点と背もたれ部の背もたれ点との間の距離を
一定に維持すべく構成した背もたれ付椅子において、 前記座部と前記背もたれ部の背あて部との間に、一端側
を座部に固定し他端側を前記背もたれ部の背面側に延出
して延出端が前記背あて部の背面に当接する押圧部材を
設けたことを特徴とする背もたれ付椅子。 ２、前記押圧板の延出端を前記背あて部に固定したこと
を特徴とする請求項１記載の背もたれ付椅子。 ３、前記背もたれ部と座部とを分離して別体に形成した
ことを特徴とする請求項１または２記載の背もたれ付椅
子。[Claims] 1. The backrest and/or the seat can be movably supported by supporting the seat with a seat base and supporting the back with a back support rod provided in conjunction with the seat base. However, when the backrest and/or the seat moves from the standard position, the backrest of the backrest protrudes forward to maintain a constant distance between the sitting reference point of the seat and the backrest point of the backrest. In the chair with a backrest configured to maintain the position of the backrest, an extending member is provided between the seat portion and the backrest portion of the backrest portion, with one end side fixed to the seat portion and the other end side extending to the back side of the backrest portion. A chair with a backrest, characterized in that a pressing member is provided, the protruding end of which comes into contact with the back surface of the backrest portion. 2. The chair with a backrest according to claim 1, wherein the extending end of the pressing plate is fixed to the backrest. 3. The chair with a backrest according to claim 1 or 2, wherein the backrest portion and the seat portion are separated and formed as separate bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16952190A JPH0458905A (en) | 1990-06-27 | 1990-06-27 | Chair with back rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16952190A JPH0458905A (en) | 1990-06-27 | 1990-06-27 | Chair with back rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458905A true JPH0458905A (en) | 1992-02-25 |
Family
ID=15888049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16952190A Pending JPH0458905A (en) | 1990-06-27 | 1990-06-27 | Chair with back rest |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458905A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5582459A (en) * | 1993-09-30 | 1996-12-10 | Itoki Crebio Corporation | Chair having tiltable seat back |
| WO2002032264A1 (en) * | 2000-10-16 | 2002-04-25 | Kokuyo Co., Ltd. | Chair |
| JP2005211312A (en) * | 2004-01-29 | 2005-08-11 | Teiirekkusu:Kk | Infant chair |
| JP2008132298A (en) * | 2006-08-30 | 2008-06-12 | Itoki Corp | Chair |
| JP2010158529A (en) * | 2005-10-27 | 2010-07-22 | Kokuyo Co Ltd | Connection structure of members |
| JP2014104824A (en) * | 2012-11-27 | 2014-06-09 | Toyota Boshoku Corp | Vehicle seat |
| WO2024095354A1 (en) * | 2022-10-31 | 2024-05-10 | ビーフォーケー ゲーエムベーハー | Chair |
-
1990
- 1990-06-27 JP JP16952190A patent/JPH0458905A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5582459A (en) * | 1993-09-30 | 1996-12-10 | Itoki Crebio Corporation | Chair having tiltable seat back |
| WO2002032264A1 (en) * | 2000-10-16 | 2002-04-25 | Kokuyo Co., Ltd. | Chair |
| US6913316B2 (en) | 2000-10-16 | 2005-07-05 | Kokuyo Co., Ltd. | Chair |
| JP2005211312A (en) * | 2004-01-29 | 2005-08-11 | Teiirekkusu:Kk | Infant chair |
| JP2010158529A (en) * | 2005-10-27 | 2010-07-22 | Kokuyo Co Ltd | Connection structure of members |
| JP2008132298A (en) * | 2006-08-30 | 2008-06-12 | Itoki Corp | Chair |
| JP2014104824A (en) * | 2012-11-27 | 2014-06-09 | Toyota Boshoku Corp | Vehicle seat |
| WO2024095354A1 (en) * | 2022-10-31 | 2024-05-10 | ビーフォーケー ゲーエムベーハー | Chair |
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