JPS63129055U - - Google Patents
Info
- Publication number
- JPS63129055U JPS63129055U JP2128587U JP2128587U JPS63129055U JP S63129055 U JPS63129055 U JP S63129055U JP 2128587 U JP2128587 U JP 2128587U JP 2128587 U JP2128587 U JP 2128587U JP S63129055 U JPS63129055 U JP S63129055U
- Authority
- JP
- Japan
- Prior art keywords
- movement mechanism
- parallel movement
- nut
- support arm
- base
- 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/12—Theatre, auditorium, or similar chairs
- A47C1/126—Theatre, auditorium, or similar chairs stowable in floor or wall
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
第１図は、本考案の第１実施例を示す縦断面図
、第２図は、第１図の―線における左側縦断
面図、第３図は、本考案の第２実施例を示す縦断
面図、第４図は、第３図の―線における横断
面図である。
１…段床、２…開口、３…蓋、４…床板、５…
基台、７…台枠、８…平行移動機構、９…支持ア
ーム、１０…水平軸、１１…軸、１２…車輪、１
３…ねじ杆、１４…軸受、１６…固定ナツト、１
７…回動手段、１８…観覧席、１９…フレーム、
２０…椅子、２１…駆動手段、２２…ねじ杆、２
３…ナツト、２４…回動手段、２５…圧縮コイル
ばね（付勢手段）、２６…間隔材。
FIG. 1 is a vertical sectional view showing a first embodiment of the present invention, FIG. 2 is a left vertical sectional view taken along the line - in FIG. 1, and FIG. 3 is a longitudinal sectional view showing a second embodiment of the present invention. The top view, FIG. 4, is a cross-sectional view taken along the line -- in FIG. 1... Step floor, 2... Opening, 3... Lid, 4... Floor plate, 5...
Base, 7... Underframe, 8... Parallel movement mechanism, 9... Support arm, 10... Horizontal axis, 11... Axis, 12... Wheel, 1
3...screw rod, 14...bearing, 16...fixing nut, 1
7... Rotating means, 18... Spectator seat, 19... Frame,
20...Chair, 21...Driving means, 22...Screw rod, 2
3... Nut, 24... Rotating means, 25... Compression coil spring (biasing means), 26... Spacing member.
Claims (1)
、該段床内に昇降自在に設けられた基台上下端部
を拡開可能として、Ｘ字形に交差し、中央部同士
を水平軸で枢支した前後１対の支持アームを有し
、かつ上端部で前記基台を平行移動自在に支承す
る平行移動機構と、該平行移動機構における前記
支持アームを回動させる回動手段と、前記基台に
載置され、使用時には段床上に突出し、かつ不使
用時には段床内に収納しうる観覧席とを備えるこ
とを特徴とする平行移動機構を備える移動観覧席
。 (2) 回動手段が、支持アームに枢着されたナツ
トと、段床あるいは基台のいずれか一方に回動自
在に装置され、かつ前記ナツトと螺合されたねじ
杆とからなる実用新案登録請求の範囲第(1)項に
記載の平行移動機構を備える移動観覧席。 (3) ナツトが、支持アームの上端部に枢支され
ている実用新案登録請求の範囲第(2)項に記載の
平行移動機構を備える移動観覧席。 (4) ナツトが、支持アームを枢支する水平軸に
枢着されている実用新案登録請求の範囲第(2)項
に記載の平行移動機構を備える移動観覧席。[Scope of Claim for Utility Model Registration] (1) A hollow oblong box-shaped tiered floor with an opening on the top surface, and a base provided within the tiered floor that can be raised and lowered so that the upper and lower ends can be expanded to form an X-shape. a parallel movement mechanism having a pair of front and rear support arms that intersect and whose center portions are pivoted about a horizontal axis, and whose upper end supports the base so as to be free to move in parallel; and the support arm in the parallel movement mechanism. and a viewing seat that is placed on the base and that protrudes above the tiered floor when in use and can be stored within the tiered floor when not in use. Mobile bleachers. (2) A utility model in which the rotating means includes a nut pivotally connected to the support arm, and a screw rod rotatably mounted on either the step floor or the base and screwed into the nut. A movable spectator seat equipped with a parallel movement mechanism according to registered claim (1). (3) A movable spectator seat equipped with a parallel movement mechanism according to claim (2) of the utility model registration, wherein the nut is pivotally supported at the upper end of the support arm. (4) A movable spectator seat equipped with a parallel movement mechanism according to claim (2) of claim 2, wherein the nut is pivotally attached to a horizontal shaft that pivots the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2128587U JPH0431952Y2 (en) | 1987-02-18 | 1987-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2128587U JPH0431952Y2 (en) | 1987-02-18 | 1987-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63129055U true JPS63129055U (en) | 1988-08-24 |
| JPH0431952Y2 JPH0431952Y2 (en) | 1992-07-31 |
Family
ID=30817586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2128587U Expired JPH0431952Y2 (en) | 1987-02-18 | 1987-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431952Y2 (en) |
-
1987
- 1987-02-18 JP JP2128587U patent/JPH0431952Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431952Y2 (en) | 1992-07-31 |
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