JPS6427354U

JPS6427354U -

Info

Publication number: JPS6427354U
Application number: JP12219187U
Authority: JP
Priority date: 1987-08-10
Filing date: 1987-08-10
Publication date: 1989-02-16

Description

[Brief explanation of drawings]

第１図は本考案の一実施例で第２図―線に
おける縦断側面図、第２図は一部を第１図の―
線で切断して示した正面図、第３図は第１図
―線で部分的に切断した平面図、第４図は第１
図―線における部分的な平面図、第５図は段
床構体の斜視図、第６図は床版の斜視図、第７図
は座席取付構体の斜視図、第８図は第１図とは異
なる状態を示した第１図と同一断面の縦断側面図
、第９図は一部を第８図の―線で切断して示
した正面図、第１０図は主フレームの作動説明図
、第１１図、第１２図は従来の可動観覧席の一例
の側面図である。１は台車、２０は主フレーム、２３，２４，２
６は起倒支柱、３７は段床構体、３８は床版、３
９は座席取付構体、４６，４８はチエンスプロケ
ツト、４７は床版支持軸、４９は座席取付構体支
持軸、５２は座席、５６は軸、５９はアーム、６
２，６４，６５，６８，７０，７１はチエンスプ
ロケツト、６３，６６，６９，７２はローラーチ
エン、６７は床版回動用モータ、７３は座席取付
構体回動用モータを示す。 Figure 1 is an embodiment of the present invention, Figure 2 is a longitudinal cross-sectional side view taken along the line, and Figure 2 shows a portion of Figure 1.
Fig. 3 is a front view cut along the line, Figure 3 is a plan view partially cut along the line from Fig. 1, and Fig. 4 is the front view cut along the line.
Figure 5 is a perspective view of the stepped floor structure, Figure 6 is a perspective view of the floor slab, Figure 7 is a perspective view of the seat mounting structure, Figure 8 is the same as Figure 1. is a longitudinal side view of the same cross section as FIG. 1 showing a different state, FIG. 9 is a front view partially cut along the - line of FIG. 8, and FIG. 10 is an explanatory diagram of the operation of the main frame. FIGS. 11 and 12 are side views of an example of conventional movable bleachers. 1 is a truck, 20 is a main frame, 23, 24, 2
6 is a tilting support, 37 is a stepped floor structure, 38 is a floor slab, 3
9 is a seat mounting structure, 46 and 48 are chain sprockets, 47 is a floor slab support shaft, 49 is a seat mounting structure support shaft, 52 is a seat, 56 is a shaft, 59 is an arm, 6
2, 64, 65, 68, 70, 71 are chain sprockets, 63, 66, 69, 72 are roller chains, 67 is a motor for rotating the floor slab, and 73 is a motor for rotating the seat mounting structure.

Claims

[Scope of utility model registration request]

The main frame is attached to the trolley via a tilting support, and the main frame is arranged on the main frame in the front-back direction, the rear part is pivotally supported on the main frame, and the front part is attached to the main frame via an arm that can be raised and folded. a plurality of tiered floor structures coupled to the tiered floor structure; and a seat mounting structure rotatably supported at the front of the tiered floor structure by the seat mounting structure support shaft having a seat mounting structure support shaft fixed in the left-right direction. , a plurality of seats that are attached to the seat attachment structure side by side in the left-right direction and are foldable and that are stored in the stepped floor structure when the seat attachment structure rotates rearward about the seat attachment structure support shaft; A floor slab having a floor slab support shaft fixed in the left-right direction on the lower surface and rotatably supported on the rear upper surface of the stepped floor structure by the floor slab support shaft, and power for rotating the seat mounting structure support shaft. A movable spectator seat comprising: a rotation mechanism; and a power rotation mechanism that rotates the floor slab support shaft.