JPH0956522A - Automatic erecting device for seat in seat-erecting chair - Google Patents
Automatic erecting device for seat in seat-erecting chairInfo
- Publication number
- JPH0956522A JPH0956522A JP24254695A JP24254695A JPH0956522A JP H0956522 A JPH0956522 A JP H0956522A JP 24254695 A JP24254695 A JP 24254695A JP 24254695 A JP24254695 A JP 24254695A JP H0956522 A JPH0956522 A JP H0956522A
- Authority
- JP
- Japan
- Prior art keywords
- seat
- fixed
- support
- fan
- sectorial
- 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.)
- Granted
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、学校、映画館、劇
場、講堂等に設置される跳上げ椅子における座の自動起
立装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically raising a seat in a flip-up chair installed in a school, movie theater, theater, auditorium, or the like.
【０００２】[0002]
【従来の技術】従来は、支脚から前方に延設した支持枠
体に対し座体の支承枠体を支軸を中心として回動自在に
取り着ける様にした椅子に於て、支持枠体の先端側内側
面には座支承枠体側の半環状***部と接触する環状***
部を形設し、その後部にピン形ストツパーを突設しこの
環状***部の内側中心位置には回動支軸を突設すると共
に該支軸に捲装するコイル状スプリングの一端を挿入係
着する孔を設け、更にこの支持枠体の後部内側面にスト
ツパーを突設する、一方これと対接する座体支承枠体は
後部上面に前記ストツパーと係合する凹部を形設し、そ
の回動位置の外周には半環状***部を内方に膨出形成し
且つ回動中心位置に先記支軸の先端を嵌合する筒部を設
けると共に、ストツパーの緩衝筒体を嵌装させる半円弧
状の孔及びコイル状スプリングの他端を挿入係着する孔
を設けるものとなし、この支持枠体と座体支承枠体との
間に支軸及びコイル状スプリング等を介装して構成した
連結机椅子等における座体の自動起立装置（実公昭５７
−２２８６０号公報参照）が存在している。2. Description of the Related Art Conventionally, in a chair in which a supporting frame of a seat can be rotatably attached to a supporting frame extending from a supporting leg forward around a supporting shaft, An annular ridge that contacts the semi-annular ridge on the seat support frame side is formed on the inner surface on the tip side, and a pin-shaped stopper is projected on the rear part of the ridge. Is provided with a hole into which one end of a coiled spring wound around the support shaft is inserted and fixed, and a stopper is provided on the inner surface of the rear portion of the support frame, while the seat body support is in contact therewith. The frame body has a recess formed on the upper surface of the rear portion for engaging with the stopper, and a semi-annular ridge is formed to bulge inward on the outer periphery of the rotation position and the tip of the support shaft is located at the rotation center position. And a coil having a semi-arcuate shape in which a buffer cylinder for the stopper is fitted. A hole for inserting and fixing the other end of the spring is not provided, and a seat in a connecting desk chair or the like configured by interposing a support shaft and a coil spring between the support frame and the seat support frame. Automatic body standing device
No. 22860).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
連結机椅子等における座体の自動起立装置は、座体をス
プリング圧に抗して水平状態に倒し座ることができると
ともに、座体から離れると自動的に座体が起立して収納
状態にすることができるもので、とくに、座体が自動的
に起立する際に、例えば連結机椅子等では後方の背体に
座体が衝合して騒音を発生したりすることのないよう一
定位置に確実に静止させることができ、堅牢構造にして
簡単な構造にすることができ、安価にして製作しやすく
好適に実施できるものであるとしている。しかし、騒音
発生を解消するために、座体を水平状態にする際の、ス
トッパと緩衝筒体及び、起立状態にする際のストッパと
緩衝筒体を各々設けなければならなく、結果的に構成が
複雑で製作が困難であり、コストアップになってしまう
という問題があった。However, in the conventional automatic standing apparatus for the seat body in the connecting desk chair or the like, the seat body can be laid down in a horizontal state against the spring pressure, and when it is separated from the seat body. The seat can be automatically raised to the stored state, especially when the seat automatically stands up, for example, in the case of a connecting desk chair, when the seat collides with the back of the back. It is said that it can be reliably stopped at a fixed position so as not to generate noise, can have a robust structure and a simple structure, can be manufactured at low cost, is easy to manufacture, and can be suitably implemented. However, in order to eliminate noise generation, it is necessary to provide a stopper and a cushioning cylinder when the seat body is in a horizontal state, and a stopper and a cushioning cylinder when the seat body is in an upright state. However, there is a problem that it is complicated and difficult to manufacture, and the cost increases.
【０００４】本発明は、これらの事情に鑑み、従来の水
平、起立状態に対する各々のストッパと緩衝筒体を別個
に設けた複雑な構成を回避して、環状支持体に工夫を
し、緩衝用の扇形状ゴム体を組み込んで衝撃吸収と騒音
防止を兼ねた跳上げ椅子における座の自動起立装置を提
供することを目的とするものである。In view of these circumstances, the present invention avoids the conventional complicated structure in which each stopper and buffer cylinder are separately provided for the horizontal and upright states, and devises an annular support for cushioning. It is an object of the present invention to provide an automatic standing device for a seat in a flip-up chair that incorporates the fan-shaped rubber body of 1 to absorb shock and prevent noise.
【０００５】[0005]
【課題を解決するための手段】本発明は、前記課題を解
決するために、脚柱に延設した支持枠体に対して座体の
支承ブラケットを、固定支軸を中心として回動自在に取
り付けるようにした跳上げ椅子において、支持枠体の内
側面には、環状支持体を固設し、この環状支持体７の下
端部に一体的に跳上げ用スプリングの一端が挿入係着で
きる係合孔を設け、さらに環状支持体は、中心に固定支
軸が設けられ、この固定支軸を挟むように仕切壁を一体
的に形成し、この両仕切壁を挟むように扇形状ゴム体を
固設したものである。該環状支持体に固定支軸を中心に
して対称に扇形状突起部を設けた座体の支承ブラケット
を係合する。該座体支承ブラケットには後部に前記環状
支持体の仕切壁をまたいで係合するように左右に扇形状
突起部を設け、さらにこの座体支承ブラケットの後部の
扇形状突起部を、環状支持体の仕切壁を挟むように設け
た扇形状ゴム体のどちらかに当接するように係合させ、
跳上げ用スプリングの一端を環状支持体の係合孔に挿入
係着し、他端を座体支承ブラケットのコーナー部に係合
させ、該跳上げ用スプリングを介装して、座体支承ブラ
ケットと環状支持体を固定支軸ねじで固定するという技
術手段を採用した。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention allows a support bracket of a seat to be rotatable about a fixed support shaft with respect to a support frame extending to a pedestal. In the flip-up chair to be attached, an annular support is fixedly provided on the inner side surface of the support frame, and one end of the spring for flip-up can be integrally inserted into and attached to the lower end of the annular support 7. A fitting hole is provided, and further, the annular support is provided with a fixed support shaft at the center, a partition wall is integrally formed so as to sandwich the fixed support shaft, and a fan-shaped rubber body is provided so as to sandwich both the partition walls. It is fixed. A bearing bracket of a seat body provided with a fan-shaped projection is symmetrically engaged with the annular support body about a fixed support shaft. The seat support bracket is provided with fan-shaped projections on the left and right so as to engage with the partition wall of the annular support at the rear, and further the fan-shaped projections at the rear of the seat support bracket are annularly supported. Engage so that it abuts either of the fan-shaped rubber bodies provided so as to sandwich the partition wall of the body,
One end of the spring for jumping up is inserted and engaged in the engaging hole of the annular support, and the other end is engaged with a corner portion of the seat support bracket. And the technical means of fixing the annular support with a fixed spindle screw was adopted.
【０００６】[0006]
【発明の実施の形態】本発明は、座体３を取り付けた支
承ブラケット４と脚柱１に設けた支持枠体２との関連構
成を、支承ブラケット４には、扇形状突起部６を、支持
枠体２には環状支持体７に固定支軸９とこの固定支軸９
を挟むように両側に仕切壁１０を一体的に形成し、さら
に跳上げ用スプリング１３を挿入係止する係合孔８を設
け、しかも、両仕切壁１０を挟むように扇形状ゴム体１
１、１２を固着し、この扇形状ゴム体１１、１２を固着
した環状支持体７に支承ブラケット４を嵌めて係合さ
せ、跳上げ用スプリング１３を介装して固定支軸ねじ５
で固定して完成される、跳上げ椅子における座の自動起
立装置である。BEST MODE FOR CARRYING OUT THE INVENTION The present invention relates to a supporting bracket 4 to which a seat body 3 is attached and a supporting frame 2 provided to a pedestal 1, and a supporting bracket 4 is provided with a fan-shaped projection portion 6. The support frame 2 includes an annular support 7 and a fixed support shaft 9 and the fixed support shaft 9
Partition walls 10 are integrally formed on both sides so as to sandwich, and engaging holes 8 for inserting and locking the spring 13 for jumping up are further provided, and furthermore, the fan-shaped rubber body 1 is sandwiched so as to sandwich both partition walls 10.
1, 12 are fixed to each other, and the support bracket 4 is fitted and engaged with the annular support 7 to which the fan-shaped rubber bodies 11 and 12 are fixed.
It is an automatic standing device for a seat in a flip-up chair that is completed by fixing with.
【０００７】[0007]
【実施例】次に本発明の一実施例を添付図面で詳細に説
明する。図１は、本発明の跳上げ椅子における座の自動
起立装置の要部を示す斜視図、図２は、跳上げ椅子にお
ける座の自動起立装置の要部を分解して示す分解斜視
図、図３は、座体が跳上がった状態を示す緩衝用の扇形
状ゴム体と、環状支持体の扇形状突起部の位置関係を示
す正面図、図４は同じく、座体に人が座った状態を示す
緩衝用の扇形状ゴム体と環状支持体の扇形状突起部の位
置関係を示す正面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing an essential part of an automatic seat standing up apparatus for a jumping chair of the present invention, and FIG. 2 is an exploded perspective view showing an essential part of an automatic seat standing up apparatus for a jumping chair. 3 is a front view showing a positional relationship between the cushion-shaped fan-shaped rubber body showing the seat body jumping up and the fan-shaped protrusion of the annular support body, and FIG. 4 is a state in which a person sits on the seat body similarly. FIG. 6 is a front view showing the positional relationship between the fan-shaped rubber body for buffering and the fan-shaped protrusion of the annular support.
【０００８】以下、本発明の一実施例について詳細に説
明する。脚柱１に固設される支持枠体２には、中心に固
定支軸９を設け、この固定支軸９を挟むように仕切壁１
０を介装した環状支持体７を固設し、さらにこの環状支
持体７に一体的に、跳上げ用スプリング１３の一端を挿
入係着できる係合孔８を備えた突出部を形成してある。
そして、この左右の仕切壁１０を挟むように緩衝用の扇
形状ゴム体１１、１２を固設したものである。An embodiment of the present invention will be described in detail below. The support frame 2 fixed to the pedestal 1 is provided with a fixed support shaft 9 at the center, and the partition wall 1 is sandwiched by the fixed support shaft 9.
A ring-shaped support body 7 having 0 interposed therein is fixedly provided, and a projecting portion having an engagement hole 8 into which one end of the spring 13 for flipping up can be inserted and engaged is formed integrally with the ring-shaped support body 7. is there.
Then, the fan-shaped rubber bodies 11 and 12 for cushioning are fixedly provided so as to sandwich the left and right partition walls 10.
【０００９】また、座体３を支持する支承ブラケット４
は、略Ｌ字形に折り曲げ、一辺に座体取付けねじ１５で
座体３を固定するものである。そして他辺の後部に固定
支軸ねじ５を挟むように扇形状突起部６を対称的に図示
（図２、図３、図４を参照）したように固設し、この扇
形状突起部６が環状支持体７の扇形状ゴム体１１、１２
のどちらかに当接するように組み合わせ係合し、跳上げ
用スプリング１３を図１に示すように、一端は環状支持
体７の係合孔８に挿入係着し、他端は支承ブラケット４
の折り曲げ角部に押し付けられるように配設し、この跳
上げ用スプリング１３を介装して固定支軸ねじ５で、固
定支軸９のねじ孔に螺着固定するものである。A support bracket 4 for supporting the seat body 3 is also provided.
Is to be bent into a substantially L shape, and the seat body 3 is fixed to one side by the seat body mounting screws 15. Then, fan-shaped protrusions 6 are symmetrically shown in the rear portion of the other side so as to sandwich the fixed support screw 5 (see FIGS. 2, 3, and 4), and the fan-shaped protrusions 6 are fixed. Is the fan-shaped rubber bodies 11 and 12 of the annular support 7.
1, the jumping spring 13 is inserted into and engaged with the engaging hole 8 of the annular support 7 and the other end is supported by the support bracket 4 as shown in FIG.
It is arranged so as to be pressed against the bent corners of the above, and the spring 13 for jumping up is interposed, and the fixed support shaft screw 5 is screwed and fixed in the screw hole of the fixed support shaft 9.
【００１０】このように構成することにより、常時は跳
上げ用スプリング１３の弾性力で図３に示すような扇形
状突起部６が緩衝用の扇形状ゴム体１１、１２と接した
状態で起立状態（跳上がった状態）になる。次に、人が
座るために座体３を押し下げて水平状態（人が座った状
態）にすると、跳上げ用スプリング１３の弾性力に抗し
て、しかも扇形状突起部６が緩衝用の扇形状ゴム体１
１、１２と接した状態で騒音、衝撃を吸収して安定状態
にするものである。With this construction, the elastic force of the spring 13 for jumping up normally causes the fan-shaped protrusion 6 as shown in FIG. 3 to stand up in contact with the cushioning fan-shaped rubber bodies 11 and 12. It will be in a state (jumped up). Next, when the person sits down and pushes down the seat body 3 into a horizontal state (state in which the person sits down), the elastic force of the spring 13 for jumping up is resisted, and the fan-shaped projection 6 is a buffer fan. Shape rubber body 1
When in contact with Nos. 1 and 12, it absorbs noise and impact to make it stable.
【００１１】[0011]
【発明の効果】本発明は以上の構成に基づいて、次の効
果を得ることができる。 （１）水平、起立状態を行う際の衝撃吸収と騒音防止を
簡単な構成で可能にしたものである。According to the present invention, the following effects can be obtained based on the above configuration. (1) The shock absorption and the noise prevention at the time of performing the horizontal and standing states are made possible with a simple structure.
【図１】本発明の１実施例である跳上げ椅子における座
の自動起立装置の要部を示す斜視図である。FIG. 1 is a perspective view showing a main part of an automatic seat rising device in a jump chair according to an embodiment of the present invention.
【図２】前記実施例のにおける跳上げ椅子における座の
自動起立装置を分解して示す分解斜視図である。FIG. 2 is an exploded perspective view showing an exploded automatic standing device for a seat in the flip-up chair in the embodiment.
【図３】前記実施例における座が跳上がった状態を示す
要部正面図である。FIG. 3 is a front view of relevant parts showing a state where a seat has jumped up in the embodiment.
【図４】前記実施例における座に人が座った水平状態を
示す要部正面図である。FIG. 4 is a front view of essential parts showing a horizontal state in which a person sits on a seat in the embodiment.
１‥‥脚柱 ２‥‥支持枠体 ３‥‥座体 ４‥‥支承ブラケット ５‥‥固定支軸ねじ ６‥‥扇形状突起部 ７‥‥環状支持体 ８‥‥係合孔 ９‥‥固定支軸 １０‥‥仕切壁 １１・１２‥‥扇形状ゴム体 １３‥‥跳上げ
用スプリング １４‥‥コーナー部 １５‥‥座体取付けね
じ1 ... pedestal 2 ... support frame 3 ... seat 4 ... support bracket 5 ... fixed spindle screw 6 ... fan-shaped protrusion 7 ... annular support 8 ... engagement hole 9 ... Fixed support shaft 10 Partition walls 11 and 12 Fan-shaped rubber body 13 Spring for jumping up 14 Corner portion 15 Seat mounting screw
Claims (1)
体３の支承ブラケット４を、固定支軸９を中心として回
動自在に取り付けるようにした跳上げ椅子において、支
持枠体２の内側面には、環状支持体７を固設し、この環
状支持体７の下端部に一体的に跳上げ用スプリング１３
の一端が挿入係着できる係合孔８を設け、さらに環状支
持体７は、中心に固定支軸９が設けられ、この固定支軸
９を挟むように仕切壁１０を一体的に形成し、この両仕
切壁１０を挟むように扇形状ゴム体１１、１２を固設し
たものである。該環状支持体７に固定支軸９を中心にし
て対称に扇形状突起部６を設けた座体３の支承ブラケッ
ト４を係合する。該座体支承ブラケット４には後部に前
記環状支持体７の仕切壁１０をまたいで係合するように
左右に扇形状突起部６を設け、さらにこの座体支承ブラ
ケット４の後部の扇形状突起部６を、環状支持体７の仕
切壁１０を挟むように設けた扇形状ゴム体１１、１２の
どちらかに当接するように係合させ、跳上げ用スプリン
グ１３の一端を環状支持体７の係合孔８に挿入係着し、
他端を座体支承ブラケット４のコーナー部１４に係合さ
せ、該跳上げ用スプリング１３を介装して、座体支承ブ
ラケット４と環状支持体７を固定支軸ねじ５で固定した
ことを特徴とする跳上げ椅子における座の自動起立装
置。1. A flip-up chair in which a support bracket 4 of a seat 3 is attached to a support frame 2 extending to a pedestal 1 so as to be rotatable about a fixed support shaft 9. An annular support 7 is fixedly provided on the inner surface of the body 2, and a spring 13 for jumping up is integrally formed at the lower end of the annular support 7.
Is provided with an engaging hole 8 into which one end can be inserted and engaged, and further, a fixed support shaft 9 is provided at the center of the annular support 7, and a partition wall 10 is integrally formed so as to sandwich the fixed support shaft 9. The fan-shaped rubber bodies 11 and 12 are fixed so as to sandwich the two partition walls 10. The bearing bracket 4 of the seat body 3 provided with the fan-shaped projections 6 is engaged with the annular support body 7 symmetrically about the fixed support shaft 9. The seat support bracket 4 is provided with fan-shaped projections 6 on the left and right so as to engage with the partition wall 10 of the annular support 7 at the rear, and further the fan-shaped projections at the rear of the seat support bracket 4. The part 6 is engaged so as to abut either one of the fan-shaped rubber bodies 11 and 12 provided so as to sandwich the partition wall 10 of the annular support 7, and one end of the spring 13 for jumping up is attached to the annular support 7. Inserting and engaging in the engaging hole 8,
The other end is engaged with the corner portion 14 of the seat body support bracket 4, and the seat body support bracket 4 and the annular support body 7 are fixed by the fixed support shaft screw 5 with the jumping spring 13 interposed. The automatic standing device for the seat in the jumping chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24254695A JP3724853B2 (en) | 1995-08-28 | 1995-08-28 | Automatic standing device for seats in a lifting chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24254695A JP3724853B2 (en) | 1995-08-28 | 1995-08-28 | Automatic standing device for seats in a lifting chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0956522A true JPH0956522A (en) | 1997-03-04 |
| JP3724853B2 JP3724853B2 (en) | 2005-12-07 |
Family
ID=17090721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24254695A Expired - Fee Related JP3724853B2 (en) | 1995-08-28 | 1995-08-28 | Automatic standing device for seats in a lifting chair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3724853B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2354704A (en) * | 1999-09-30 | 2001-04-04 | Audience Systems Ltd | Tip-seat chair |
| JP2002356121A (en) * | 2001-05-31 | 2002-12-10 | T S Tec Kk | Locking device of jump-up seat for vehicle |
| KR100469629B1 (en) * | 2002-10-29 | 2005-02-02 | 한일이화주식회사 | Seat assembly |
| JP2007105295A (en) * | 2005-10-14 | 2007-04-26 | Aichi Kk | Seat body support unit and tip-up chair |
| CN100443017C (en) * | 2006-08-08 | 2008-12-17 | 欧阳建祥 | Device for restorating sitting plate |
| CN105332523A (en) * | 2014-08-08 | 2016-02-17 | 许保康 | Multifunctional bus stop pile |
| WO2022092431A1 (en) * | 2020-10-30 | 2022-05-05 | 주식회사 신양씨앤에스 | Grandstand chair having seat rotation delay function |
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1995
- 1995-08-28 JP JP24254695A patent/JP3724853B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2354704A (en) * | 1999-09-30 | 2001-04-04 | Audience Systems Ltd | Tip-seat chair |
| JP2002356121A (en) * | 2001-05-31 | 2002-12-10 | T S Tec Kk | Locking device of jump-up seat for vehicle |
| KR100469629B1 (en) * | 2002-10-29 | 2005-02-02 | 한일이화주식회사 | Seat assembly |
| JP2007105295A (en) * | 2005-10-14 | 2007-04-26 | Aichi Kk | Seat body support unit and tip-up chair |
| CN100443017C (en) * | 2006-08-08 | 2008-12-17 | 欧阳建祥 | Device for restorating sitting plate |
| CN105332523A (en) * | 2014-08-08 | 2016-02-17 | 许保康 | Multifunctional bus stop pile |
| WO2022092431A1 (en) * | 2020-10-30 | 2022-05-05 | 주식회사 신양씨앤에스 | Grandstand chair having seat rotation delay function |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3724853B2 (en) | 2005-12-07 |
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