JPH03101759U - - Google Patents
Info
- Publication number
- JPH03101759U JPH03101759U JP12510990U JP12510990U JPH03101759U JP H03101759 U JPH03101759 U JP H03101759U JP 12510990 U JP12510990 U JP 12510990U JP 12510990 U JP12510990 U JP 12510990U JP H03101759 U JPH03101759 U JP H03101759U
- Authority
- JP
- Japan
- Prior art keywords
- winding drum
- floor
- pulled out
- stored
- cable
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 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一部切欠して示
す正面図、第２図は、同じく右側面図、第３図は
、収納状態の段床を示す側面図、第４図及び第５
図は、段床の引出し時に掛かる力の一般式を説明
するための概略側面図、第６図は、第４図におけ
るワイヤの張力の計算式を出すための概略構成図
である。
１〜４……段床、１ａ〜４ａ……床板、１ｂ〜
４ｂ……背板、１ｃ〜４ｃ……脚体、５……車輪
、６……水平杆、７……椅子、８……通路、９…
…基台、１０……回転軸、１１……レバー、１２
……移動機構、１３〜１９……固定滑車（固定車
）、２０……内壁、２１……巻取ドラム、２２…
…床、２３……軸、２４……モータ（駆動手段）
、２５……収納用ワイヤ（収納用索条）、２６…
…取付枠、２７，２９……止め具、２８……引出
し用ワイヤ（引出し用索条）、３０……ストツパ
。
FIG. 1 is a partially cutaway front view showing an embodiment of the present invention, FIG. 2 is a right side view, FIG. 3 is a side view showing the stepped floor in the stored state, FIG. Fifth
The figure is a schematic side view for explaining the general formula for the force applied when pulling out the step bed, and FIG. 6 is a schematic configuration diagram for calculating the formula for the wire tension in FIG. 4. 1-4...Ranked floor, 1a-4a...Floor plate, 1b-
4b...Backboard, 1c-4c...Legs, 5...Wheels, 6...Horizontal rods, 7...Chairs, 8...Aisle, 9...
... Base, 10 ... Rotating shaft, 11 ... Lever, 12
...Moving mechanism, 13-19... Fixed pulley (fixed wheel), 20... Inner wall, 21... Winding drum, 22...
...Floor, 23...Axle, 24...Motor (driving means)
, 25... storage wire (storage cable), 26...
...Mounting frame, 27, 29...Stopper, 28...Drawer wire (drawer cable), 30...Stopper.
Claims (1)
、順次前位のものなど低寸とした複数の段床を相
互に連係させて、前後方向に入れ子式に収納した
り、引出したりしうるようにした移動観覧席にお
いて、巻取ドラムと、一端が段床の最後部に設け
た巻取ドラムに巻回され、かつ他端が最前列の段
床に止着された収納用索条と、一端が前記巻取ド
ラムに巻回され、かつ他端が、収納時には、側面
視において蛇腹状をなし、かつ引出し時には、同
じく階段状をなすように、前後に隣接する段床の
前位のものの上段後部と、その後位のものの前部
下側にそれぞれ設けた固定車間に順次巻回された
後、最前列の段床に止着された引出し用索条とを
備え、前記巻取ドラムの正転あるいは逆転によつ
て、段床の荷重を軽減した状態で、引出しあるい
は収納を行ないうるようにしたことを特徴とする
移動観覧席。 Chairs are placed on it, and the chairs are placed side by side in front and back, and multiple low-sized tiers, such as those at the front, are interconnected so that they can be stored or pulled out in a nested manner in the front-back direction. A winding drum, a storage cable having one end wound around the winding drum provided at the rearmost part of the tiered floor and the other end fixed to the tiered floor in the front row; One end is wound around the winding drum, and the other end is shaped like a bellows in side view when stored, and similarly steps like when pulled out. A drawer cable is provided at the rear of the upper stage, and a drawer cable is fixed to the floor of the front row after being wound sequentially between fixed wheels provided at the lower front side of the one following the upper stage, and the winding drum is rotated in the normal direction. Alternatively, a movable bleacher seat is characterized in that it can be pulled out or stored while reversing the load on the tiered floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12510990U JPH0432447Y2 (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12510990U JPH0432447Y2 (en) | 1990-11-29 | 1990-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03101759U true JPH03101759U (en) | 1991-10-23 |
| JPH0432447Y2 JPH0432447Y2 (en) | 1992-08-04 |
Family
ID=31672995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12510990U Expired JPH0432447Y2 (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432447Y2 (en) |
-
1990
- 1990-11-29 JP JP12510990U patent/JPH0432447Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432447Y2 (en) | 1992-08-04 |
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