JPH0537790Y2 - - Google Patents
Info
- Publication number
- JPH0537790Y2 JPH0537790Y2 JP1987071650U JP7165087U JPH0537790Y2 JP H0537790 Y2 JPH0537790 Y2 JP H0537790Y2 JP 1987071650 U JP1987071650 U JP 1987071650U JP 7165087 U JP7165087 U JP 7165087U JP H0537790 Y2 JPH0537790 Y2 JP H0537790Y2
- Authority
- JP
- Japan
- Prior art keywords
- seat
- plate
- spring
- base frame
- chair
- 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.)
- Expired - Lifetime
Links
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000009194 climbing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Chairs Characterized By Structure (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、ばねの反発力により座席を前後に傾
動させるようにした椅子ににおいて、簡単な操作
で座席を傾動不能に固定しうるようにした装置に
関するものである。[Detailed description of the invention] [Field of industrial application] The present invention is a chair in which the seat is tilted back and forth by the repulsive force of a spring, and the seat can be fixed so that it cannot be tilted with a simple operation. This relates to a device that has been used.
椅子の傾動座席を固定する簡単な手段は、座席
と一体をなす取付板と不動の基枠のそれぞれの側
面に、互に整合する通孔を穿設しておいて、ロツ
ク杆を差し込むことである。しかし、このように
したものでは、固定状態時にがたつきが生じるお
それがあり、また、ロツク棒の抜き差しは、案外
面倒であるとともに困難である。
A simple way to secure the tilting seat of a chair is to drill matching holes in each side of the mounting plate that is integral with the seat and the immovable base frame, and then insert locking rods into the holes. be. However, with this arrangement, there is a risk of rattling when in the fixed state, and furthermore, inserting and removing the lock rod is surprisingly troublesome and difficult.
この問題を改善した装置が、例えば実公昭59−
5397号公報（第１文献）実願昭58−18598号（実
開昭59−125261号）のマイクロフイルム（第２文
献）及び実公昭61−5161号公報（第３文献）に記
載されている。 A device that improved this problem was developed, for example, in the 1980s.
Described in Publication No. 5397 (first document), microfilm of Utility Application No. 58-18598 (publication of Utility Model Application No. 59-125261) (second document), and Publication of Utility Model Publication No. 61-5161 (third document) .
第１文献に記載の装置は、基枠の側面の後部
に、側面視で前向きかつ下向きのＬ字形孔を穿設
するとともに、基枠の前部に枢設した後方を向く
座席取付枠の側面の後部に横長孔を穿設し、両孔
へ挿通したロツクレバーを前後に摺動させて、こ
れを下向Ｌ字形孔の水平部前端に位置させること
によつて、座席を固定し、また、ロツクレバーを
下向Ｌ字形孔の垂直部に位置させることにより、
座席を上下に傾動させうるようになつている。 The device described in the first document has an L-shaped hole that faces forward and downward when viewed from the side in the rear of the side of the base frame, and a side of the seat mounting frame that is pivoted on the front of the base and faces rearward. A horizontally elongated hole is drilled in the rear of the seat, and the seat is fixed by sliding a lock lever inserted into both holes back and forth and positioning it at the front end of the horizontal part of the downward L-shaped hole, and By positioning the lock lever at the vertical part of the downward L-shaped hole,
The seats can be tilted up and down.
第２，第３文献に記載の椅子においては、可動
ロツク板を、座席と基枠の間に出入させて、座弁
を固定したり、傾動自在としうるようになつてい
る。 In the chairs described in the second and third documents, a movable lock plate is moved in and out between the seat and the base frame to fix the seat valve or to make it freely tiltable.
より詳しく言うと、第２文献の椅子は、レバー
ハンドルの外方端部を上方に強く引き上げると、
背受枠のロツク状態が解放されて、背もたれ板が
傾動されるとともに、レバーハンドルを放して
も、そのままの状態に保持され、次に、レバーハ
ンドルの先端を押し下げると、背もたれ板の傾動
を阻止し、これを所定角度に固定するようになつ
ている。 More specifically, in the chair of the second document, when the outer end of the lever handle is strongly pulled upward,
The locked state of the backrest frame is released and the backrest plate is tilted, and even if the lever handle is released, it remains in that state.Next, when the tip of the lever handle is pushed down, the tilting of the backrest plate is prevented. , which is fixed at a predetermined angle.
また、第３文献の椅子における座板傾動装置で
は、レバーを、同公報の第７図に示す位置に回動
すると、当該レバーが圧縮バネにより保持される
一方、ストツパー片が係合孔から抜けて、固定ロ
ツクが解除されることにより、座板は傾斜可能と
なり、また、レバーを、公報の第６図に示す位置
へ回動すれば、ストツパー片が係合孔に嵌まつ
て、ロツク状態に保持されるようになつている。 Further, in the seat tilting device for a chair of the third document, when the lever is rotated to the position shown in FIG. By releasing the fixed lock, the seat plate can be tilted, and when the lever is rotated to the position shown in Figure 6 of the publication, the stopper piece fits into the engagement hole and the seat plate is in the locked state. It is becoming more and more maintained.
第１文献に記載の装置では、ロツクレバーが係
止されていないので、使用中にロツクレバーが摺
動して、知らぬ間に固定が解除されることがあ
り、確実性に欠ける。
In the device described in the first document, since the lock lever is not locked, the lock lever may slide during use and be unlocked inadvertently, resulting in a lack of reliability.
また、ロツクレバー操作用のハンドルは座席の
下側の側方にあり、座席が固定状態の時は前方
に、傾動状態の時は後方に回動させられるので、
状態を変更する際には、ハンドルを手探りで捜し
て、前後いずれに移動させたらよいか判断する必
要があり、操作性に難点がある。 In addition, the handle for operating the lock lever is located on the side under the seat, and can be rotated forward when the seat is fixed and backward when the seat is tilted.
When changing the state, it is necessary to feel for the handle and decide whether to move it forward or backward, which poses a problem in operability.
第２，第３文献に記載の椅子では、ともにレバ
ーの位置が、固定状態と傾動状態では相違してお
り、状態を変更する際には、椅子の座席の下面側
にあるレバーを手探りで捜して、引き上げまたは
押し下げるか、或いは前後いずれに回動させたら
よいかを判断する必要があるなど、操作性に難点
がある。 In the chairs described in the second and third documents, the position of the lever is different between the fixed state and the tilting state, and when changing the state, you have to feel for the lever on the underside of the seat of the chair. There are some difficulties in operability, such as the need to judge whether to pull up or push down, or rotate forward or backward.
本考案は、椅子の脚柱の上端に設けた基枠の前
端に、基枠の上方に位置する座席の前端を、左右
軸まわりに揺動自在に枢着するとともに、適宜の
ばねをもつて、座席の後部を上向き付勢してな
り、かつばねにより、水平方向に付勢されて、一
部が前記基枠と座席との間へ嵌入することによ
り、座席が後下方へ傾斜するのを阻止するように
なつている可動ロツク板を備える椅子において、
ハート形に屈曲する案内溝を有する基板と、前記
可動ロツク板と一体をなす係合ピンを、前記案内
溝に嵌合し、適宜の操作体をもつて、前記可動ロ
ツク板を、前記ばねに抗して、水平に移動させた
とき、順次一定方向にのみ移動しうるようになつ
ている確動ハートカム型のプツシユロツク・プツ
シユレリーズ機構を、座席の下面に設けたことに
より、上述の問題点の解決を図つたものである。
In the present invention, the front end of the seat located above the base frame is pivoted to the front end of the base frame provided at the upper end of the chair's legs so as to be able to swing freely around the left and right axis, and is equipped with an appropriate spring. , the rear part of the seat is biased upward, and is biased horizontally by a spring, and a part of the seat is fitted between the base frame and the seat, thereby preventing the seat from tilting rearward and downward. In a chair comprising a movable locking plate adapted to prevent
A board having a guide groove bent into a heart shape and an engaging pin integral with the movable lock plate are fitted into the guide groove, and using an appropriate operating body, the movable lock plate is attached to the spring. However, by installing a positive heart cam type push lock/release mechanism on the underside of the seat, which can only move sequentially in a fixed direction when moved horizontally, the above-mentioned problem can be solved. The aim is to solve this problem.
本考案の装置は、は、座席に設けた操作体によ
り、プツシユロツク・プツシユレリーズ機構を、
一定方向に駆動するという至極単純な操作によ
り、座席と基板の間に可動ロツク板を出し入れし
て、座席の固定状態と傾動状態とに変更すること
ができる。
The device of the present invention operates the push-lock/push-release mechanism using the operating body installed on the seat.
By an extremely simple operation of driving in a fixed direction, the movable lock plate can be moved in and out between the seat and the base plate, and the seat can be changed between a fixed state and a tilted state.
第１図〜第６図は、本考案の第１実施例を示す
もので、椅子の脚柱１の上端には、平面視前向Ｕ
字形に屈曲して、前上方（第１図左上方）へ向か
う、基枠としての支持アーム２の後端屈曲部が固
着されている。
1 to 6 show a first embodiment of the present invention, in which the upper end of the leg post 1 of the chair has a front U
A rear end bent portion of a support arm 2 serving as a base frame is fixed to the support arm 2, which is bent into a letter shape and directed toward the upper front (upper left in FIG. 1).
支持アーム２の前端左右間は、ほぼ水平をなす
連結板３をもつて連結されている。 The left and right front ends of the support arm 2 are connected by a substantially horizontal connecting plate 3.
連結板３の前端上方において支持アーム２に
は、後方を向き、かつ下面開口する扁平箱状の座
席用取付板４の前端が、左右方向を向く枢軸５を
もつて枢設されている。なお取付板４は、座席自
体の一部であることもある。 Above the front end of the connecting plate 3, the support arm 2 has a front end of a flat box-shaped seat mounting plate 4 which faces rearward and opens at the bottom, and is pivoted with a pivot 5 which faces left and right. Note that the mounting plate 4 may be a part of the seat itself.
上記連結板３の上面には、後方を向く板ばね６
の前端が、押え板７とボルト８により挾着されて
いる。板ばね６は、同形等寸の複数枚のばね片６
ａを重合して形成されている。 On the upper surface of the connecting plate 3, there is a leaf spring 6 facing rearward.
The front end of the holder is fastened by a holding plate 7 and a bolt 8. The leaf spring 6 is made up of a plurality of spring pieces 6 of the same shape and size.
It is formed by polymerizing a.
取付板４の後側片４ａと、その前方において取
付板４より垂下する垂下片９の中央には、前後方
向を向く螺杆１０が、回動可能かつ前後移動不能
として挿通されている。後側片４ａより後方へ突
出する螺杆１０の後端には、ハンドル１１が止着
されている。 A screw rod 10 facing in the front-rear direction is inserted into the center of the rear piece 4a of the mounting plate 4 and the hanging piece 9 that hangs down from the mounting plate 4 in front thereof so as to be rotatable but not movable back and forth. A handle 11 is fixed to the rear end of the screw rod 10 that projects rearward from the rear piece 4a.
螺杆１０における上記後側片４ａと垂下片９の
間には、たとえばポリアセタールのような合成樹
脂製の、下面が円弧状に凸曲する横長棒状の摺動
子１２が螺合されている。 Between the rear piece 4a and the hanging piece 9 of the screw rod 10, a slider 12 made of a synthetic resin such as polyacetal and shaped like an oblong rod whose lower surface is convexly curved in an arc is screwed together.
取付板４の後部は、摺動子１２を介して、板ば
ね６の上向反発力により支持されている。この反
発力は、ハンドル１１の操作により、摺動子１２
を前後に移動させて、板ばね６の実質的な作用長
さを変えることにより、調節することができる。 The rear part of the mounting plate 4 is supported by the upward repulsive force of the leaf spring 6 via the slider 12. This repulsive force is applied to the slider 12 by operating the handle 11.
It can be adjusted by moving back and forth to change the effective working length of the leaf spring 6.
枢軸５の後方において、取付板４の下面右側部
には取付枠１３が止着され、取付枠１３とその下
方において取付枠１３と一体をなす受板１４の間
には、可動ロツク板１５が、側方移動自在として
挾持されている。 At the rear of the pivot 5, a mounting frame 13 is fixed to the right side of the lower surface of the mounting plate 4, and a movable lock plate 15 is disposed between the mounting frame 13 and a receiving plate 14 that is integral with the mounting frame 13 below. , is clamped so that it can be moved laterally.
可動ロツク板１５は、その内側前部と取付枠１
３の内側片１３ａとの間に設けた圧縮ばね１６に
より、外側方に向けて押されており、その外側端
部が、支持アーム２の前端上面２ａと取付板４と
の間に嵌入することにより、取付板４を上限に固
定し、その傾動を阻止するようになつている。 The movable lock plate 15 has an inner front part thereof and a mounting frame 1.
It is pushed outward by a compression spring 16 provided between the inner piece 13a of the support arm 2, and its outer end fits between the front end upper surface 2a of the support arm 2 and the mounting plate 4. This fixes the mounting plate 4 at the upper limit and prevents it from tilting.
可動ロツク板１５の内側端前部は、引張りワイ
ヤ１７を介して、座席の側部下面適所に設けた操
作体であるハンドル（図示省略）に連係されてい
る。 The front inner end of the movable lock plate 15 is linked via a tension wire 17 to a handle (not shown) which is an operating body provided at a suitable position on the lower side of the seat.
可動ロツク板１５の内側端後部には、係合ピン
１８が垂設され、係合ピン１８は、確動ハートカ
ム型のプツシユロツク・プツシユレリーズ機構の
基板１９に係合している。 An engaging pin 18 is provided vertically at the rear of the inner end of the movable lock plate 15, and the engaging pin 18 engages with a base plate 19 of a positive heart cam type push lock/push release mechanism.
すなわち、第５図と第６図に示すように、基板
１９の上面外側端部には、横向ハート形に屈曲す
る閉結案内溝２０が切設され、かつ案内溝２０の
底面には、第６図に示すような、一定方向を向い
て連続する第１〜第４段部２１ａ，２１ｂ，２１
ｃ，２１ｄが形成されている。 That is, as shown in FIGS. 5 and 6, a closing guide groove 20 bent in a horizontal heart shape is cut in the outer end of the upper surface of the substrate 19, and a closing guide groove 20 is cut in the bottom surface of the guide groove 20. As shown in FIG. 6, first to fourth step portions 21a, 21b, 21 facing in a certain direction and continuous
c, 21d are formed.
基板１９の内端は、取付板１３の下面に垂設し
たピン２２に枢着されている。基板１９は、ピン
２２に巻装した圧縮ばね２３により、上方に向け
て付勢され、上記係合ピン１８の下端が、案内溝
２０の左端の第１停止位置２４に嵌入して係合し
ている。 The inner end of the board 19 is pivotally connected to a pin 22 vertically provided on the lower surface of the mounting plate 13. The board 19 is urged upward by a compression spring 23 wound around the pin 22, and the lower end of the engagement pin 18 fits into and engages the first stop position 24 at the left end of the guide groove 20. ing.
基板１９と係合ピン１８により、確動ハートカ
ム型のプツシユロツク・プツシユレリーズ機構が
形成されている。 The base plate 19 and the engagement pin 18 form a positive heart cam type push-lock/push-release mechanism.
上述の状態において、ハンドル操作により引張
りワイヤ１７を引つ張ると、係合ピン１８は、可
動ロツク板１５とともに案内溝２０内を内方へ進
もうとする。 In the above-mentioned state, when the pull wire 17 is pulled by operating the handle, the engagement pin 18 tends to move inward in the guide groove 20 together with the movable lock plate 15.
係合ピン１８の後側面（第５図上側）の動き
は、第４段部２１ｄの垂直面により規制されてい
るので、係合ピン１８は、矢印で示すように、第
１段部２１ａの傾斜面を乗り越えて、第２段部２
１ｂまで進む。 The movement of the rear side surface (upper side in FIG. 5) of the engagement pin 18 is regulated by the vertical surface of the fourth step 21d, so the engagement pin 18 moves toward the first step 21a as shown by the arrow. After climbing over the slope, the second stage section 2
Proceed to 1b.
ついで、引張りワイヤ１７を自由とすれば、係
合ピン１８は、ばね１６の力により外側方へ動こ
うとする。しかし、第１段部２１ａの垂直面に遮
られて、矢印方向に斜めに進行し、第２段部２１
ｂの傾斜面を乗り越え、第２段部２１ｂと第３段
部２１ｃとの間における凹入する第２停止位置２
５に停止する。 If the pull wire 17 is then released, the engagement pin 18 will tend to move outwardly due to the force of the spring 16. However, it is obstructed by the vertical surface of the first step portion 21a and travels diagonally in the direction of the arrow, and the second step portion 21a
The second stop position 2 is recessed between the second step portion 21b and the third step portion 21c by climbing over the inclined surface of b.
Stops at 5.
その結果、可動ロツク板１５は、第１，第２両
停止位置２４，２５間の距離だけ内側方へ移動し
て、その外側端が、支持アーム２の上面２ａと取
付板４の間より抜け出し、取付板４が傾動自在と
なる。 As a result, the movable lock plate 15 moves inward by the distance between the first and second stop positions 24 and 25, and its outer end comes out from between the upper surface 2a of the support arm 2 and the mounting plate 4. , the mounting plate 4 can be tilted freely.
この状態で、再び引張りワイヤ１７を引つ張れ
ば、係合ピン１８は、第２段部２１ｂの垂直面に
遮られて斜めに内向移動し、第３段部２１ｃの傾
斜面を乗り越える
この時、引張りワイヤ１７を自由とすれば、係
合ピン１８は、ばね１６の力により外方へ移動
し、第４段部２１ｄの傾斜面を乗り越えて、第１
停止位置２４に戻つて停止し、可動ロツク板１５
の外側端は、再び支持アーム２の上辺２ａと取付
板４の間に嵌入して、取付板４を傾動不能に固定
する。 In this state, when the tension wire 17 is pulled again, the engagement pin 18 is obstructed by the vertical surface of the second step portion 21b and moves diagonally inward, crossing over the inclined surface of the third step portion 21c. , when the pull wire 17 is free, the engagement pin 18 moves outward by the force of the spring 16, climbs over the inclined surface of the fourth step 21d, and reaches the first
It returns to the stop position 24 and stops, and the movable lock plate 15
The outer end of the support arm 2 is again fitted between the upper side 2a of the support arm 2 and the mounting plate 4 to fix the mounting plate 4 so that it cannot tilt.
第７図は、本考案の第２実施例を示すもので、
５１，５２は、それぞれ上記２，４と同様の、支
持アームと座席用取付板である。 FIG. 7 shows a second embodiment of the present invention.
51 and 52 are a support arm and a seat mounting plate similar to 2 and 4 above, respectively.
５３と５４は、それぞれ上記１３，１４に相当
する取付枠と受片、５５は、上記１５に相当する
可動ロツク板で、取付枠５３と受片５４の間に、
側方移動自在に挾持され、取付枠５３の側片５３
ａとの間に設けた圧縮ばね５６により、外側方に
向けて付勢されて、外側部が、支持アーム５１の
上辺５１ａと取付板５２の間に嵌入して、取付板
５２を固定している。 53 and 54 are a mounting frame and a receiving piece corresponding to the above-mentioned 13 and 14, respectively, 55 is a movable lock plate corresponding to the above-mentioned 15, and between the mounting frame 53 and the receiving piece 54,
The side piece 53 of the mounting frame 53 is held so as to be movable laterally.
The outer part is biased outwardly by a compression spring 56 provided between the support arm 51 and the mounting plate 52, and the outer part fits between the upper side 51a of the support arm 51 and the mounting plate 52, fixing the mounting plate 52. There is.
可動ロツク板５５の内側端は、取付枠５３に側
方移動自在に設けた、操作体５８の外端（第７図
右端）における立上片５８ａに、引張りワイヤ５
７を介して連結されている。操作体５８の内端に
は、係合ピン５９が立設され、また操作ノブ６０
が垂設されている。 The inner end of the movable locking plate 55 is attached to a rising piece 58a at the outer end (right end in FIG. 7) of the operating body 58, which is provided on the mounting frame 53 so as to be movable laterally.
They are connected via 7. An engagement pin 59 is erected at the inner end of the operating body 58, and an operating knob 60 is provided.
is installed vertically.
操作体５８の外端部上方において取付枠５３に
設けた支持板６１には、上記１９と同様の下方を
向く基板６２が、ピン６３により枢設されて、圧
縮ばね６４により下方へ向けて付勢され、係合ピ
ン５９の上端は、基板６２に切設した、上記２０
と同様の案内溝（図示省略）に係合している。 On a support plate 61 provided on the mounting frame 53 above the outer end of the operation body 58, a downwardly facing board 62 similar to the above 19 is pivotally mounted by a pin 63 and is attached downward by a compression spring 64. The upper end of the engagement pin 59 is connected to the 20
It engages with a similar guide groove (not shown).
この装置においては、ノブ６０を手指６５で、
圧縮ばね５６に抗して、外側方、すなわち矢印方
向へ反復移動させれば、前実施例と同様に、基板
６２と係合ピン５９が形成するプツシユロツク・
プツシユレリーズ機構により、可動ロツク板５５
は、支持アーム５１の上面５１ａと取付板５２の
間に出入して、取付板５２を固定したり、傾動自
在にしたりする。 In this device, the knob 60 is pressed with the finger 65,
By repeatedly moving outward, that is, in the direction of the arrow, against the compression spring 56, the push lock formed by the base plate 62 and the engagement pin 59 is released, as in the previous embodiment.
With the push release mechanism, the movable lock plate 55
goes in and out between the upper surface 51a of the support arm 51 and the mounting plate 52, and fixes the mounting plate 52 or makes it freely tiltable.
本考案の装置によると、一定の場所にある操作
体を、単に一定方向に引張つたり、放したりする
だけで、座席を固定したり、傾動自在としうるの
で、操作が甚だ簡単かつ容易であり、便利であ
る。
According to the device of the present invention, the seat can be fixed or tilted by simply pulling and releasing the operating body in a certain direction in a certain place, so the operation is extremely simple and easy. , convenient.
第１図は、本考案の第１実施例を適用した椅子
の要部縦断側面図、第２図は、第１図のＡ−Ａ線
拡大断面図、第３図は、第１図のＢ−Ｂ線拡大断
面図、第４図は、第２図のＣ−Ｃ線断面図、第５
図は、第３図のＤ−Ｄ線拡大断面図、第６図は、
第５図に示す案内溝の展開縦断面図、第７図は、
本考案の第２実施例を示す、上記第３図に相当す
る縦断正面図である。
１……脚柱、２……支持アーム、２ａ……上
面、３……連結板、４……取付板、４ａ……後
片、５……枢軸、６……板ばね、６ａ……板ばね
片、７……押え板、８……ボルト、９……垂下
片、１０……螺杆、１１……ハンドル、１２……
摺動子、１３……取付枠、１３ａ……内側片、１
４……受板、１５……可動ロツク板、１６……圧
縮ばね、１７……ワイヤ、１８……係合ピン、１
９……基板、２０……案内溝、２１ａ，２１ｂ，
２１ｃ，２１ｄ……段部、２２……ピン、２３…
…圧縮ばね、２４……第１停止位置、２５……第
２停止位置、５１……支持アーム、５１ａ……上
面、５２……取付板、５３……取付枠、５３ａ…
…側片、５４……受片、５５……可動ロツク板、
５６……圧縮ばね、５７……引張りワイヤ、５８
……操作金具、５８ａ……立上片、５９……係合
ピン、６０……操作ノブ、６１……支持板、６２
……基板、６３……ピン、６４……圧縮ばね、６
５……手指。
FIG. 1 is a longitudinal sectional side view of a main part of a chair to which the first embodiment of the present invention is applied, FIG. 2 is an enlarged sectional view taken along line A-A in FIG. 1, and FIG. - B line enlarged sectional view, Figure 4 is a CC line sectional view of Figure 2, Figure 5
The figure is an enlarged sectional view taken along line D-D in Figure 3, and Figure 6 is
The developed longitudinal sectional view of the guide groove shown in Fig. 5 and Fig. 7 are as follows:
FIG. 3 is a longitudinal sectional front view corresponding to FIG. 3 above, showing a second embodiment of the present invention. 1... Pillar, 2... Support arm, 2a... Top surface, 3... Connection plate, 4... Mounting plate, 4a... Back piece, 5... Pivot, 6... Leaf spring, 6a... Plate Spring piece, 7... Holding plate, 8... Bolt, 9... Hanging piece, 10... Screw rod, 11... Handle, 12...
Slider, 13...Mounting frame, 13a...Inner piece, 1
4...Socket plate, 15...Movable lock plate, 16...Compression spring, 17...Wire, 18...Engagement pin, 1
9...Substrate, 20...Guide groove, 21a, 21b,
21c, 21d...Stepped portion, 22...Pin, 23...
...Compression spring, 24...First stop position, 25...Second stop position, 51...Support arm, 51a...Top surface, 52...Mounting plate, 53...Mounting frame, 53a...
... side piece, 54 ... receiving piece, 55 ... movable lock plate,
56... Compression spring, 57... Tension wire, 58
...Operation fitting, 58a ... Standing piece, 59 ... Engagement pin, 60 ... Operation knob, 61 ... Support plate, 62
... Board, 63 ... Pin, 64 ... Compression spring, 6
5...Fingers.
Claims (1)
の上方に位置する座席の前端を、左右軸まわりに
揺動自在に枢着するとともに、適宜のばねをもつ
て、座席の後部を上向き付勢してなり、かつばね
により、水平方向に付勢されて、一部が前記基枠
と座席との間へ嵌入することにより、座席が後下
方へ傾斜するのを阻止するようになつている可動
ロツク板を備える椅子において、ハート形に屈曲
する案内溝を有する基板と、前記可動ロツク板と
一体をなす係合ピンを、前記案内溝に嵌合し、適
宜の操作体をもつて、前記可動ロツク板を、前記
ばねに抗して、水平に移動させたとき、順次一定
方向にのみ移動しうるようになつている確動ハー
トカム型のプツシユロツク・プツシユレリーズ機
構を、座席の下面に設けてなる椅子における傾動
座席の固定装置。 The front end of the seat, which is located above the base frame, is pivoted to the front end of the base frame provided at the top end of the chair's legs so that it can swing freely around the left and right axis, and the rear of the seat is attached with an appropriate spring. is biased upward, and is biased horizontally by a spring so that a portion of the base frame fits between the base frame and the seat, thereby preventing the seat from tilting rearward and downward. In a chair equipped with a movable lock plate, a base plate having a guide groove bent in a heart shape and an engaging pin integral with the movable lock plate are fitted into the guide groove, and have an appropriate operating body. Then, when the movable lock plate is moved horizontally against the spring, a positive heart cam type push lock/release mechanism is installed in the seat. A fixing device for a tilting seat in a chair provided on the underside.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071650U JPH0537790Y2 (en) | 1987-05-15 | 1987-05-15 | |
| DE19883800751 DE3800751A1 (en) | 1987-01-19 | 1988-01-13 | Armchair |
| CA000556402A CA1324313C (en) | 1987-01-19 | 1988-01-13 | Rocking chair |
| NL8800112A NL188735C (en) | 1987-01-19 | 1988-01-19 | ROCKING CHAIR. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071650U JPH0537790Y2 (en) | 1987-05-15 | 1987-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63179848U JPS63179848U (en) | 1988-11-21 |
| JPH0537790Y2 true JPH0537790Y2 (en) | 1993-09-24 |
Family
ID=30914395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987071650U Expired - Lifetime JPH0537790Y2 (en) | 1987-01-19 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537790Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4989804B2 (en) * | 2005-05-23 | 2012-08-01 | プラス株式会社 | Height-adjustable chair with locking function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615161U (en) * | 1984-06-14 | 1986-01-13 | 株式会社 イワタ | futon |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59125261U (en) * | 1983-02-10 | 1984-08-23 | チトセ株式会社 | Chair |
-
1987
- 1987-05-15 JP JP1987071650U patent/JPH0537790Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615161U (en) * | 1984-06-14 | 1986-01-13 | 株式会社 イワタ | futon |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63179848U (en) | 1988-11-21 |
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