JPS63165049U - - Google Patents
Info
- Publication number
- JPS63165049U JPS63165049U JP5671987U JP5671987U JPS63165049U JP S63165049 U JPS63165049 U JP S63165049U JP 5671987 U JP5671987 U JP 5671987U JP 5671987 U JP5671987 U JP 5671987U JP S63165049 U JPS63165049 U JP S63165049U
- Authority
- JP
- Japan
- Prior art keywords
- base
- floor
- whose
- pair
- drum
- 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
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
第１図は、本考案の一実施例を示す一部切欠正
面図、第２図は、第１図の―線における横断
面図、第３図は、第１図の―線における拡大
縦断面図である。
１…床、１ａ…床ユニツト、２…蓋板、３…開
口、４…部屋、５…底板、６，７…揺動アーム、
６ａ，６ｂ，７ａ，７ｂ…アーム、６ｅ，７ｅ…
車輪、８…モータ（回転駆動手段）、９…ドラム
、１０…基台、１１…水平梁、１１ａ…揺れ止め
アーム、１２，１３…ガイド枠、１４…圧縮コイ
ルばね（付勢手段）、１５，１８…プーリー、１
６，１９…固定プーリー、１７，２０…ワイヤ、
２１…観覧席、２２…フレーム、２３…椅子。
Fig. 1 is a partially cutaway front view showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along line - - in Fig. 1, and Fig. 3 is an enlarged longitudinal cross-section taken along line - - in Fig. 1. It is a diagram. 1... Floor, 1a... Floor unit, 2... Lid plate, 3... Opening, 4... Room, 5... Bottom plate, 6, 7... Swing arm,
6a, 6b, 7a, 7b...Arm, 6e, 7e...
Wheel, 8... Motor (rotation drive means), 9... Drum, 10... Base, 11... Horizontal beam, 11a... Anti-swaying arm, 12, 13... Guide frame, 14... Compression coil spring (biasing means), 15 , 18...Pulley, 1
6, 19... fixed pulley, 17, 20... wire,
21...blessing seats, 22...frames, 23...chairs.
Claims (1)
基盤と対向する開口を有する床と、前記基盤に対
して昇降自在に設けられ、かつ下面に左右方向に
所定の間隔で取付けられた１対の固定プーリーを
有する基台と、下端部が該固定プーリーと対向す
る基盤に枢着され、かつ上端部が前記基台の底面
を摺動自在に支承する左右１対の揺動アームと、
起立された該揺動アームを平伏方向に付勢する付
勢手段と、前記揺動アーム間の基盤に設けられた
回転自在なドラムと、該ドラムを正転あるは逆転
させる回転駆動手段と、基端が前記ドラムの外周
に互いに逆向きに巻回され、かつ遊端がそれぞれ
左右の前記固定プーリーを経て、前記揺動アーム
の上端部にそれぞれ止着された左右１組の索条と
、前記基台に載置され、使用時には開口より床上
に突出し、かつ不使用時には床下に収納される観
覧席を備えることを特徴とする床下収納式昇降観
覧席。 a base, a floor provided above the base and having an opening facing the base, and a pair of floors that are movable up and down with respect to the base and attached to the lower surface at predetermined intervals in the left and right direction. a base having a fixed pulley; a pair of left and right swing arms whose lower ends are pivotally connected to the base facing the fixed pulley and whose upper ends slidably support the bottom surface of the base;
a biasing means for biasing the erected swinging arm in a lying direction; a rotatable drum provided on a base between the swinging arms; and a rotational drive means for rotating the drum forward or reverse; a pair of left and right cables whose base ends are wound in opposite directions around the outer periphery of the drum, and whose free ends are respectively fixed to the upper end portions of the swing arms via the left and right fixed pulleys; An under-floor storage type elevating bleacher seat, characterized by comprising a bleacher seat that is placed on the base, projects above the floor through the opening when in use, and is stored under the floor when not in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5671987U JPH0432450Y2 (en) | 1987-04-16 | 1987-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5671987U JPH0432450Y2 (en) | 1987-04-16 | 1987-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63165049U true JPS63165049U (en) | 1988-10-27 |
| JPH0432450Y2 JPH0432450Y2 (en) | 1992-08-04 |
Family
ID=30885787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5671987U Expired JPH0432450Y2 (en) | 1987-04-16 | 1987-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432450Y2 (en) |
-
1987
- 1987-04-16 JP JP5671987U patent/JPH0432450Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432450Y2 (en) | 1992-08-04 |
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