JPH02115855U

JPH02115855U -

Info

Publication number: JPH02115855U
Application number: JP2531489U
Authority: JP
Priority date: 1989-03-06
Filing date: 1989-03-06
Publication date: 1990-09-17

Description

[Brief explanation of the drawing]

第１図はこの考案による観覧席を椅子の収没に
より他の床面と同一平面状態にした動作図、第２
図は同観覧席を昇降作動装置により雛壇状の段差
面にした動作図、第３図は同観覧席を椅子の起立
出現により同一平面上での着座を可能にした動作
図、第４図は同観覧席を昇降作動装置により雛壇
上での着座を可能にした動作図である。１……框体、１ａ……可動床面、２……椅子、
３……基台、３Ａ……先端基台、３Ｎ……後端基
台、４Ａ……固定リンク板、４Ｂ……上部リンク
板、４Ｃ……下部リンク板、５……ピン軸、６…
…昇降作動装置、Ａ……観覧席、Ｂ……リンク機
構、Ｃ……基台群。 Figure 1 is a diagram of the operation of the bleachers according to this invention, which is made flush with the rest of the floor by retracting the chairs.
The figure shows an operation diagram in which the seating area is made into a pedestal-like stepped surface using the lifting device, Figure 3 is an operational diagram in which the seating area is made possible to sit on the same plane by raising and lowering the chairs, and Figure 4 is an operational diagram. It is an operation diagram in which the audience seat can be seated on a dais using a lifting device. 1... Frame, 1a... Movable floor surface, 2... Chair,
3...Base, 3A...Tip base, 3N...Rear end base, 4A...Fixed link plate, 4B...Upper link plate, 4C...Lower link plate, 5...Pin shaft, 6...
... Lifting operation device, A... Spectator seats, B... Link mechanism, C... Base group.

Claims

[Scope of Claim for Utility Model Registration] (1) A frame with a movable floor and equipped with a chair that can be freely moved in and out is placed on top of each base, and a plurality of bases according to this aspect are connected by a link mechanism. An elevating type chair storage type, characterized in that it is attached to a group of bases arranged in a front-rear arrangement, and that the group of bases is equipped with an elevating and lowering actuating device to simultaneously change the mode from a planar state to a podium state. Spectator seats. (2) The chair storage according to claim 1, wherein the link mechanism connects the upper link plate and the lower link plate in a parallelogram between the fixed link plate on the front end base side and the bottom of the rear end base. Elevated type bleachers. (3) The retractable chair according to claim 1, wherein the base group has pin shafts loosely inserted into the link mechanism at a plurality of locations on the bottom of each base to maintain the planar state of each movable floor surface. Elevated bleachers.