JPH029004Y2 - - Google Patents

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Publication number
JPH029004Y2
JPH029004Y2 JP17896884U JP17896884U JPH029004Y2 JP H029004 Y2 JPH029004 Y2 JP H029004Y2 JP 17896884 U JP17896884 U JP 17896884U JP 17896884 U JP17896884 U JP 17896884U JP H029004 Y2 JPH029004 Y2 JP H029004Y2
Authority
JP
Japan
Prior art keywords
floor
toggle lever
column
tier
bell crank
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
Application number
JP17896884U
Other languages
Japanese (ja)
Other versions
JPS6194147U (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP17896884U priority Critical patent/JPH029004Y2/ja
Publication of JPS6194147U publication Critical patent/JPS6194147U/ja
Application granted granted Critical
Publication of JPH029004Y2 publication Critical patent/JPH029004Y2/ja
Expired legal-status Critical Current

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  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

【考案の詳細な説明】 イ 考案の目的 〔産業上の利用分野〕 本考案は屋内競技場・コンサート会場・展示会
場等に設備し、必要に応じ伸ばして階段状の観覧
席を構成し、不使用時は縮めて壁面に沿つて多段
棚状に収納することによつて、空いた床スペース
を有効に利用できる伸縮式階段状観覧席における
いすの起立位置固定装置に関する。
[Detailed explanation of the invention] A. Purpose of the invention [Industrial field of application] This invention is installed in indoor stadiums, concert halls, exhibition halls, etc., and can be extended as needed to form stepped spectator seats. The present invention relates to a device for fixing the upright position of chairs in an extendable staircase-like bleachers, which can make effective use of empty floor space by collapsing and storing them in a multi-shelf shape along a wall surface when in use.

〔従来の技術〕[Conventional technology]

上記伸縮式階段状観覧席の各段のいすは、収納
の際後段の床の下に収まるように折畳み、また設
置時には使用状態に起立させる。そして使用状態
に起立したいすは、不用意に前に倒れないように
固定し、また収納に際してはその起立位置の固定
を解除する必要がある。
The chairs in each tier of the telescoping staircase-like bleachers are folded up so that they fit under the floor of the rear tier when stored, and are erected when installed to be in use. When the chair is in use, it is necessary to fix it so that it does not fall forward inadvertently, and to release the fixed position when storing the chair.

従来いすの起倒操作を自動的に行うものとし
て、電動式(実開昭58−121247号公報・同昭58−
121248号公報)あるいは階段状床の前後動による
連動式(実開昭58−159953号公報)等の起倒装置
があり、いずれもいすの起立位置固定機能を持つ
ている。
Conventionally, an electric type (Utility Model Publication No. 121247/1983) was used to automatically raise and lower a chair.
121248 (Japanese Utility Model Publication No. 121248) or an interlocking type (Japanese Utility Model Application Publication No. 159953/1983) that uses a stepped floor to move back and forth, there are raising devices, both of which have the function of fixing the chair's standing position.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

ところが上記いすの起倒装置はいずれもその構
造が複雑であるから大型で場所をとり、いすの座
の下の体裁が悪く、また観覧席全体の重量が増え
る不具合がある。
However, all of the above-mentioned chair raising/lowering devices have complicated structures, so they are large and take up space, are unsightly under the seats of the chairs, and have the disadvantage of increasing the overall weight of the seats.

本考案は従来の伸縮式階段状観覧席のいすの起
立位置固定装置が持つ上記の問題点を解決するこ
とを目的とする。
The purpose of the present invention is to solve the above-mentioned problems of the conventional device for fixing the standing position of the chairs in the retractable staircase type bleachers.

ロ 考案の構成 〔問題点を解決するための手段〕 前後に伸縮可能で前が低い階段状床1の各段床
1A,1B,1C…に前倒式折畳みいす2を具
え、設置時には前方に延長して階段状の床1を形
成すると共に、各段床1A,1B,1C…のいす
2を使用状態に自動起立させ、収納時には後退さ
せて多段棚状3に短縮すると共に、各段床1A,
1B,1C…のいすを倒伏させてそれぞれ後段の
床の下に収めるようにした伸縮式階段状観覧席に
おいて、各席の起伏可能座部4・背当5およびひ
じ掛6を取付け、下端部を段床1A,1B,1C
…上のブラケツト7に枢支している支柱8の延長
下端部81を枢支点9より下に延長し、支柱8が
起立したとき上記延長下端部81に係合して支柱
8の前倒を抑止するトグルレバー10と、一方の
腕111は後退する前段の床で押され、他方の腕
112は上記トグルレバー10の自由端101側
に作用する長さに設定したトグルレバー解放用ベ
ルクランク11とをブラケツト7に枢支し、上記
トグルレバー10を支柱8の延長下端部81との
係合位置に維持するばね12を設けたものであ
る。
B. Structure of the invention [Means for solving the problem] A forward-folding folding chair 2 is provided on each step floor 1A, 1B, 1C, etc. of the stepped floor 1 which is extendable back and forth and has a low front, and when installed, the folding chair 2 is folded forward. It is extended to form a stair-shaped floor 1, and the chairs 2 on each tiered floor 1A, 1B, 1C... are automatically erected when in use and are moved back when stored, shortening into a multi-tiered shelf-like shape 3. 1A,
In the retractable staircase-like bleachers in which the chairs 1B, 1C... are folded down and stored under the floor of the rear stage, the foldable seat part 4, backrest 5 and armrest 6 of each seat are installed, and the lower end part Step floors 1A, 1B, 1C
...The extension lower end 81 of the column 8 which is pivotally supported on the upper bracket 7 is extended below the pivot point 9, and when the column 8 stands up, it engages with the extension lower end 81 and causes the column 8 to fall forward. A toggle lever 10 to be restrained, and a bell crank 11 for releasing the toggle lever, one arm 111 of which is pushed by the floor of the previous step that is being retreated, and the other arm 112 set to a length that acts on the free end 101 side of the toggle lever 10. is pivotally supported on the bracket 7, and a spring 12 is provided for maintaining the toggle lever 10 in the engagement position with the extended lower end 81 of the support column 8.

〔作用〕[Effect]

階段状観覧席を収納するため階段状床1の各段
床1A,1B,1C…を前のもの、すなわち低い
側から順次後退させていくと、前段の床1Aの後
端縁1A′が第2図鎖線示のようにベルクランク
11の一方の腕111に当つてこれを押し、ベル
クランク11を第3図鎖線示のよう振らせる。そ
うするとベルクランク11の他方の腕112がト
グルレバー10の自由端101側を押下げてトグ
ルレバー10を支柱8の延長下端部81から外
し、トグルレバー10による支柱8の前倒抑止作
用を解く。このとき前段の床1A上のいすは折畳
まれて次段の床1Bの下に納まる。
When each of the stepped floors 1A, 1B, 1C, etc. of the stepped floor 1 is sequentially retreated from the previous one, that is, from the lower side, in order to store the stepped bleachers, the rear edge 1A' of the front floor 1A becomes the first one. The bell crank 11 is pressed against one arm 111 of the bell crank 11 as shown by the chain line in FIG. 2, and the bell crank 11 is swung as shown by the chain line in FIG. Then, the other arm 112 of the bell crank 11 pushes down the free end 101 side of the toggle lever 10 and removes the toggle lever 10 from the extended lower end 81 of the column 8, releasing the action of the toggle lever 10 to prevent the column 8 from falling forward. At this time, the chair on the previous floor 1A is folded up and placed under the next floor 1B.

次いで段床1A,1Bが一体となつて後退する
と、段床1B上のいす2の支柱8が後段の床1C
の前端縁1C′に当り枢支点9を軸にして前に倒
れ、いす2は折畳まれる。
Next, when the tiered floors 1A and 1B move back together, the support 8 of the chair 2 on the tiered floor 1B moves towards the rear floor 1C.
The chair 2 hits the front edge 1C' and falls forward about the pivot point 9, and the chair 2 is folded.

階段状観覧席を設置するため階段状床1の各段
床1A,1B,1C…を前のものから順に送出し
ていくと、後段の段床1Cによる支柱8の押圧が
解除されて、後段の段床1Cの下に収まつていた
いす2が使用状態に起立するもので、支柱8が起
上るとき、その延長下端部81はトグルレバー1
0をばね12に抗して押除けながら回動し、完全
に立つたところでトグルレバー10から外れ、ト
グルレバー10はばね12の力で支柱8との係合
位置に戻されて支柱8と係合し、支柱8の前倒を
抑止する。
When the stepped floors 1A, 1B, 1C, etc. of the stepped floor 1 are sent out in order from the previous one in order to install the stepped bleachers, the pressure on the pillar 8 by the rear tier 1C is released, and the rear stage When the chair 2 is placed under the stepped floor 1C, it stands up when in use.
0 rotates while being pushed away against the spring 12, and when it stands completely, it is removed from the toggle lever 10, and the toggle lever 10 is returned to the engagement position with the column 8 by the force of the spring 12, and is engaged with the column 8. This prevents the support column 8 from falling forward.

〔実施例〕〔Example〕

階段状床1の各段床1A,1B,1C…は、各
段ごとにその後部に取付けた支脚13と、前部を
前の段床の支脚13の上端に滑動可能に載せるこ
とによつて水平に支えられている。
Each step 1A, 1B, 1C... of the stepped floor 1 is constructed by supporting legs 13 attached to the rear of each step, and by slidably placing the front part on the upper end of the supporting leg 13 of the previous step. supported horizontally.

各支脚13の下端に前後に向いた脚台14を階
段状床1の短縮収納時に隣接して並ぶ関係に取付
けている。上記各脚台14の下にはローラが付い
ている。また前後の脚台14,14相互に、伸長
時および短縮時に順送り動を行わせるための係合
部が設けられているが図には省略されている。
A leg stand 14 facing forward and backward is attached to the lower end of each support leg 13 so as to be adjacent to each other when the stepped floor 1 is shortened and stored. A roller is attached below each of the leg stands 14. Furthermore, an engaging portion is provided between the front and rear leg bases 14, 14 to cause them to move sequentially during extension and contraction, but this is not shown in the figure.

階段状床1の最後部の段床1Nは床Fまたは壁
Wに固定で、その下方に伸縮駆動機Mを設置し、
最前端の段床1Sと伸縮駆動機Mとを例えば押し
引きチエーン等の伸縮部品でつないでいる。
The last stepped floor 1N of the stepped floor 1 is fixed to the floor F or wall W, and a telescopic drive machine M is installed below it.
The frontmost step bed 1S and the telescopic drive machine M are connected by a telescopic part such as a push/pull chain.

各いす2の支柱8は平行リンク8A,8Bによ
つて構成され、各リンク8A,8Bの下端は、各
段床の後部に設けたブラケツト7にそれぞれ横軸
9,9Aで前後に揺動可能に取付けられている。
The support column 8 of each chair 2 is constituted by parallel links 8A, 8B, and the lower end of each link 8A, 8B can swing back and forth on horizontal axes 9, 9A, respectively, on a bracket 7 provided at the rear of each step floor. installed on.

上記平行リンク8A,8Bの上端にひじ掛6の
後部を横軸で取付けて、ひじ掛6を短リンクに利
用している。
The rear part of the armrest 6 is attached to the upper end of the parallel links 8A, 8B with a horizontal shaft, and the armrest 6 is used as a short link.

平行リンク8A,8Bは第3図に示すようにそ
れぞれ横断面U字形の部材から成り、それらを向
い合せて横断面長円形の中空柱を形成している。
As shown in FIG. 3, the parallel links 8A and 8B each consist of a U-shaped member in cross section, and are opposed to each other to form a hollow column with an oval cross section.

上記平行リンク8A,8Bで構成される中空支
柱8の中に引張コイルばね15を縦に配置し、そ
のばね15の上端を前側のリンク8Aの中程に、
下端を後側のリンク8Bの下部横軸9に止めてい
る。引張コイルばねに代えて圧縮コイルばねを用
いるときは、ばねの上端を後側のリンク8Bに、
下端を前側のリンク8Aの下部横軸9Aに止める
ものである。
A tension coil spring 15 is arranged vertically in the hollow support 8 composed of the parallel links 8A and 8B, and the upper end of the spring 15 is placed in the middle of the front link 8A.
The lower end is fixed to the lower horizontal shaft 9 of the rear link 8B. When using a compression coil spring instead of a tension coil spring, connect the upper end of the spring to the rear link 8B.
The lower end is fixed to the lower horizontal shaft 9A of the front link 8A.

平行リンク8A,8Bの間にコイルばね15を
上記の関係に設けると、そのばね15の収縮力ま
たは伸長力の分力を平行リンク8A,8Bすなわ
ち支柱8の起立力として利用することができる。
When the coil spring 15 is provided in the above relationship between the parallel links 8A and 8B, a component of the contraction force or extension force of the spring 15 can be used as the force for raising the parallel links 8A and 8B, that is, the support column 8.

後側のリンク8Bの延長下端部81が横軸(枢
支点)9から下に延びていて、支柱8,8A,8
Bが起立したとき、ブラケツト7に設けたピン1
6に上記延長下端部81の前面を当接させて支柱
8の後倒れを阻止している。着席中に支柱8が前
に倒れないように、上記延長下端部81の後面に
係合して支柱8を拘束するトグルレバー10を横
軸17でブラケツト7に取付けている。またその
トグルレバー10の後方にベルクランク11を配
置し、横軸18でブラケツト7に揺動自由に取付
けている。
An extended lower end 81 of the rear link 8B extends downward from the horizontal axis (pivot point) 9, and supports the columns 8, 8A, 8.
When B stands up, pin 1 provided on bracket 7
The front surface of the extended lower end portion 81 is brought into contact with the support column 6 to prevent the support column 8 from falling backward. A toggle lever 10 that engages with the rear surface of the extended lower end 81 to restrain the support column 8 is attached to the bracket 7 with a horizontal shaft 17 so that the support column 8 does not fall forward while seated. Further, a bell crank 11 is arranged behind the toggle lever 10, and is attached to the bracket 7 by a horizontal shaft 18 so as to be freely swingable.

ベルクランク11の一方の腕111は段床1B
の下まで延びていて、その下端に前段の段床1A
の後端縁1A′を当接させるローラ113が付い
ている。他方の腕112は、トグルレバー10の
自由端101側の側面に設けた突起102に当る
長さに形成されている。上記突起102はばね1
2の掛止ピンを兼ね、ばね12の他端はブラケツ
ト7の側面に掛止されている。
One arm 111 of the bell crank 11 is on the step floor 1B.
It extends to the bottom of the tier, and at the bottom end there is 1A of the previous step floor.
A roller 113 is attached to which the rear end edge 1A' comes into contact. The other arm 112 is formed to have a length that corresponds to the protrusion 102 provided on the side surface of the toggle lever 10 on the free end 101 side. The protrusion 102 is the spring 1
The other end of the spring 12 also serves as a latching pin 2, and the other end of the spring 12 is latched to the side surface of the bracket 7.

上記ベルクランク11は各支柱ごとに設けても
よいが、7〜8連のいすのうちの一つの支柱に対
してのみベルクランク11を設け、他の支柱に対
しては、トグルレバー10の突起102に作用す
る上記ベルクランク11の上部の腕112に相当
するレバー114(第4図示)を設け、そのレバ
ー114とベルクランク11を共通1本の横軸1
8で結合している。
The bell crank 11 may be provided for each support, but the bell crank 11 is provided only for one support among the 7 to 8 chairs, and the bell crank 11 is provided for the other support. A lever 114 (shown in the fourth figure) corresponding to the upper arm 112 of the bell crank 11 acting on the bell crank 102 is provided, and the lever 114 and the bell crank 11 are connected to a common horizontal shaft 1.
They are joined by 8.

上記ベルクランク横軸18は、段床1Bの後端
縁(蹴上げ)1B′を形成するついたて状カバー
19の中に配置し、ブラケツト7の後部で支持し
ている。
The bell crank horizontal shaft 18 is disposed in a vertical cover 19 forming the rear end edge (riser) 1B' of the step floor 1B, and is supported at the rear of the bracket 7.

ブラケツト7は、背板71を上記ついたて状カ
バー19に、また基板72を段床1Bにボルト締
めすることによつて固定され、各支柱ごとにカバ
ー20で覆われている。
The bracket 7 is fixed by bolting the back plate 71 to the vertical cover 19 and the board 72 to the stepped floor 1B, and each support column is covered with a cover 20.

ハ 考案の効果 本考案は上記のように伸縮式階段状観覧席にお
いて、各席の起伏可能座部4,背当5およびひじ
掛6を取付け、下端部を段床1A,1B,1C…
上のブラケツト7に枢支している支柱8の延長下
端部81を枢支点9より下に延長し、支柱8が起
立したとき上記延長下端部81に係合して支柱8
の前倒を抑止するトグルレバー10と、一方の腕
111は後退する前段の床で押され、他方の腕1
12は上記トグルレバー10の自由端101側に
作用する長さに設定したトグルレバー解放用ベル
クランク11とをブラケツト7に枢支し、上記ト
グルレバー10を支柱8の延長下端部81との係
合位置に維持するばね12を設けたから、ベルク
ランクの一方の腕の先端を支柱8の延長下端部8
1に直接係脱させるのに比べて、小さな力でまた
僅かな揺動によつてトグルレバー10を支柱8の
延長下端部81に係脱させることが可能である。
C. Effect of the invention The present invention is based on the above-mentioned retractable staircase-like bleachers, by attaching the rectangular seat portion 4, backrest 5, and armrest 6 of each seat, and attaching the lower end portions to the stepped floors 1A, 1B, 1C...
The extended lower end 81 of the column 8 that is pivotally supported on the upper bracket 7 is extended below the pivot point 9, and when the column 8 is erected, it engages with the extended lower end 81 and the column 8
The toggle lever 10 prevents the front from falling forward, and one arm 111 is pushed by the floor of the front stage that is retreating, and the other arm 111
Reference numeral 12 pivotally supports a toggle lever release bell crank 11 set to a length that acts on the free end 101 side of the toggle lever 10 on the bracket 7, and engages the toggle lever 10 with the extended lower end 81 of the support column 8. Since a spring 12 is provided to keep the bell crank in the aligned position, the end of one arm of the bellcrank can be attached to the extended lower end 8 of the post 8.
1, it is possible to engage and disengage the toggle lever 10 from the extended lower end portion 81 of the support column 8 with a small force and by a slight rocking motion.

従つて起立位置固定装置を構成するトグルレバ
ー10,ベルクランク11,ばね12等の各部品
を小型にすることができると共に、ベルクランク
11の横軸18を後方に位置させることができ
て、各支柱の取付ブラケツト7の周りおよび各い
すの座の下がすつきりとよくまとまり体裁がよ
い。
Therefore, the toggle lever 10, bell crank 11, spring 12, and other parts constituting the standing position fixing device can be made smaller, and the horizontal shaft 18 of the bell crank 11 can be positioned at the rear, so that each part can be made smaller. The area around the mounting bracket 7 of the support and under the seat of each chair is neatly organized and looks good.

起立位置固定装置の構成部品の小型化は観覧席
全体の重量を軽減し、設置および収納の際の伸縮
操作を円滑にする効果がある。
The miniaturization of the components of the standing position fixing device has the effect of reducing the weight of the entire bleachers and facilitating the expansion and contraction operations during installation and storage.

ベルクランクを支柱8の延長下端部81に直接
係脱させる代りに、トグルレバー10とベルクラ
ンク11に分離して、そのトグルレバー10を支
柱8の延長下端部81に係脱させるようにしたた
め、組付け時におけるベルクランク11の位置合
せが容易であり、ベルクランク横軸18は角軸を
使用する必要がなく、丸軸を用いクランプ締めす
るのみで足りるので組付け作業能率の向上に効果
がある。
Instead of directly engaging and disengaging the bell crank with the extended lower end 81 of the column 8, the toggle lever 10 and the bell crank 11 are separated, and the toggle lever 10 is engaged with and disengaged with the extended lower end 81 of the column 8. It is easy to align the bell crank 11 during assembly, and there is no need to use a square shaft for the bell crank horizontal shaft 18, and it is sufficient to use a round shaft and tighten the clamp, which is effective in improving assembly work efficiency. be.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は伸縮式階段状観覧席の側面図、第2図
は上記観覧席の本考案起立位置固定装置を具えた
いすの側面図、第3図は起立位置固定装置の拡大
側面図、第4図は拡大平面図。 1は階段状床、1A,1B,1C…は段床、2
は前倒式折畳みいす、3は収納状態の多段棚状
床、7はブラケツト、8は支柱、9は枢支点、1
0はトグルレバー、101はトグルレバーの自由
端、11はベルクランク、111,112はベル
クランクの腕、12はトグルレバー付勢ばね、1
3は支脚、14は脚台、15は支柱起立ばね。
Fig. 1 is a side view of the telescoping staircase-like bleachers, Fig. 2 is a side view of the seats equipped with the standing position fixing device of the present invention, and Fig. 3 is an enlarged side view of the standing position fixing device. Figure 4 is an enlarged plan view. 1 is a stepped floor, 1A, 1B, 1C... is a stepped floor, 2
3 is a folding chair that can be folded forward, 3 is a multi-shelf floor in a stored state, 7 is a bracket, 8 is a support, 9 is a pivot point, 1
0 is a toggle lever, 101 is a free end of the toggle lever, 11 is a bell crank, 111, 112 are arms of the bell crank, 12 is a toggle lever biasing spring, 1
3 is a supporting leg, 14 is a footrest, and 15 is a support spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前後に伸縮可能で前が低い階段状床の各段床に
前倒式折畳みいすを具え、設置時には前方に延長
して階段状の床を形成すると共に、各段床のいす
を使用状態に自動起立させ、収納時には後退させ
て多段棚状に短縮すると共に、各段床のいすを倒
伏させてそれぞれ後段の床の下に収めるようにし
た伸縮式階段状観覧席において、各席の起伏可能
座部・背当およびひじ掛を取付け、下端部を段床
上のブラケツトに枢支している支柱の下端を枢支
点より下に延長し、支柱が起立したとき上記延長
下端部に係合して支柱の前倒を抑止するトグルレ
バーと、一方の腕は後退する前段の床で押され、
他方の腕は上記トグルレバーの自由端側に作用す
る長さに設定したトグルレバー解放用ベルクラン
クとをブラケツトに枢支し、上記トグルレバーを
支柱の延長下端部との係合位置に維持するばねを
設けた伸縮式階段状観覧席におけるいすの起立位
置固定装置。
Each tier of the stair-shaped floor that can be expanded and contracted back and forth and has a low front is equipped with a folding chair that can be folded forward, and when installed, it extends forward to form a stair-shaped floor, and the chairs on each tier are automatically brought into use. In the retractable staircase-like bleachers, which are designed to stand up and be retracted when stored to shorten them into a multi-tiered shelf-like structure, the chairs on each tier can be folded down and stored under the floor of the next tier. The lower end of the column whose lower end is pivoted to the bracket on the step floor is extended below the pivot point, and when the column is erected, it engages with the lower end of the extension and the column is fixed. There is a toggle lever that prevents the front from tipping forward, and one arm is pushed by the floor of the front stage that is retreating.
The other arm pivots on the bracket a toggle lever release bell crank set to a length that acts on the free end side of the toggle lever, and maintains the toggle lever in the engagement position with the extended lower end of the column. A device for fixing the standing position of chairs in retractable staircase-like bleachers equipped with springs.
JP17896884U 1984-11-26 1984-11-26 Expired JPH029004Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17896884U JPH029004Y2 (en) 1984-11-26 1984-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17896884U JPH029004Y2 (en) 1984-11-26 1984-11-26

Publications (2)

Publication Number Publication Date
JPS6194147U JPS6194147U (en) 1986-06-18
JPH029004Y2 true JPH029004Y2 (en) 1990-03-05

Family

ID=30736533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17896884U Expired JPH029004Y2 (en) 1984-11-26 1984-11-26

Country Status (1)

Country Link
JP (1) JPH029004Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2579193Y2 (en) * 1991-10-31 1998-08-20 株式会社コトブキ Moving seat chair

Also Published As

Publication number Publication date
JPS6194147U (en) 1986-06-18

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