JPS6194146U - - Google Patents

Description

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

第１図は本考案のいすを設けた伸縮式階段状観
覧席の側面図、第２図は本考案いすの一部縦断側
面図、第３図は支柱の拡大横断面図。 １は階段状床、１Ａ・１Ｂ・１Ｃ…は段床、１
Ｎは固定段床、２は前倒式折畳みいす、３は収納
状態の階段状床、４は起伏可能座部、５は背当、
６はひじ掛、７は支柱、７Ａ・７Ｂは平行リンク
、８は支柱起立ばね、９は支脚、１０は脚台。 Fig. 1 is a side view of a retractable staircase-like bleachers equipped with the chairs of the present invention, Fig. 2 is a partially vertical side view of the chairs of the present invention, and Fig. 3 is an enlarged cross-sectional view of the supports. 1 is a stepped floor, 1A, 1B, 1C... is a stepped floor, 1
N is a fixed stepped floor, 2 is a folding chair that can be folded forward, 3 is a stepped floor in a stowed state, 4 is a seat that can be raised and lowered, 5 is a backrest,
6 is an armrest, 7 is a support, 7A and 7B are parallel links, 8 is a support spring, 9 is a support leg, and 10 is a footrest.

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ている左右の支柱を
前後に揺動可能の平行リンクで構成し、その平行
リンクの上端をひじ掛の一部で連結すると共に、
両リンクの間に支柱を起す方向に作用するばねを
設けた伸縮式階段状観覧席のいす。 Each tier of the stair-shaped floor that is extendable 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 erected when in use. In the retractable stair-shaped bleachers, the chairs on each tier can be folded down and stored under the floor of the rear tier.・The left and right pillars to which the back rest and armrests are attached are made up of parallel links that can swing back and forth, and the upper ends of the parallel links are connected by a part of the armrests.
A retractable staircase-shaped bleacher seat with a spring between both links that acts in the direction of raising the support.