JPS6211444U

JPS6211444U -

Info

Publication number: JPS6211444U
Application number: JP10287985U
Authority: JP
Priority date: 1985-07-08
Filing date: 1985-07-08
Publication date: 1987-01-23
Also published as: JPH0313235Y2

Description

[Brief explanation of drawings]

第１図は、階段状の床台に設置した本考案の椅
子の側面図、第２図は、第１図における前方の椅
子の要部拡大中央縦断側面図、第３図は、同じく
拡大前面図、第４図は、第１図における中央の椅
子の要部拡大中央縦断側面図、第５図は、同じく
後方の椅子の要部拡大中央縦断側面図である。Ａ_１，Ａ_２，Ａ_３……椅子、１……床台、２…
…空洞、３……サスペンシヨンレール、３ａ……
走行片、４……停止杆、５……支軸、６……長孔
、７……背板、８……脚柱、９……係止金具、９
ａ……係止部、１０……凹入孔、１１……係止ば
ね、１２……枢軸、１３……支板、１４……ステ
ー、１５……係合ピン、１６……停止ピン、１７
……座板、１８……ワイヤ、１９……引張りばね
。 Fig. 1 is a side view of the chair of the present invention installed on a stepped floor stand, Fig. 2 is an enlarged central vertical sectional side view of the main part of the front chair in Fig. 1, and Fig. 3 is an enlarged front view of the chair in the front. 4 is an enlarged central longitudinal sectional side view of the main part of the center chair in FIG. 1, and FIG. 5 is an enlarged central longitudinal sectional side view of the main part of the rear chair. A ₁ , A ₂ , A ₃ ...Chair, 1 ... Floor stand, 2 ...
...Cavity, 3...Suspension rail, 3a...
Running piece, 4... Stopping rod, 5... Support shaft, 6... Long hole, 7... Back plate, 8... Pillar, 9... Locking metal fitting, 9
a... Locking portion, 10... Recessed hole, 11... Locking spring, 12... Pivot, 13... Support plate, 14... Stay, 15... Engagement pin, 16... Stop pin, 17
... seat plate, 18 ... wire, 19 ... tension spring.

Claims

[Scope of utility model registration request]

The lower ends of the pair of left and right pillars are pivoted to the support provided on the floor table so that they can rotate from the front horizontal position to the rear and upwards, and the rear part of the seat plate is vertically supported at key points of both the pillars. It is pivoted so that it can rotate from the position to the forward horizontal position,
The front part of a locking fitting having a locking part facing in the front-rear direction and facing rearward and upward at the rear end is pivotally attached to the lower end of the leg rod, and a spring is used so that the locking part faces upward. At the same time, with a flexible member, the locking part is connected to the key point of the seat plate so that the locking part is directed downward by the upward swinging of the seat plate, and further, the locking part is connected to the key point of the pillar column in the rear and downward direction. A stay facing upward is pivotally mounted, and its lower end is engaged with a support body so as to be movable back and forth, and when the lower end of the stay is at the rear limit, the pillar faces upward at a predetermined angle,
When the seat plate is in a horizontal state at a predetermined angle, the locking part of the locking fitting engages the lower end of the stay from below to prevent its forward movement, and when the seat plate rotates upward, A chair for spectator seating, in which the dimensions of each part are determined so that the engagement can be released.