JPS6236177U

JPS6236177U -

Info

Publication number: JPS6236177U
Application number: JP12658085U
Authority: JP
Priority date: 1985-08-20
Filing date: 1985-08-20
Publication date: 1987-03-03

Description

[Brief explanation of the drawing]

第１図は本考案に係るシヤツター装置の正面図
、第２図は第１図の側面図、第３図はバランスウ
エイトと動滑車部を示すＢ部拡大図、第４図は動
滑車部及びシヤツター板を上部から見たＣ―Ｃ断
面図、第５図は定滑車部を示すＡ部拡大図、第６
図は第５図の平面図、第７図はシヤツター板の隅
部Ｆ_１の拡大図、第８図は実施例の原理を示す簡
易図である。尚図面中１はシヤツター板、２はエアシリンダ
ー、３はピストンロツド、４はバランスウエイト
、Ｋ_１は動滑車部、Ｋ_２，Ｋ_３は定滑車部、ａ，
ｂはワイヤーロープである。 FIG. 1 is a front view of the shutter device according to the present invention, FIG. 2 is a side view of FIG. Figure 5 is an enlarged view of section A showing the fixed pulley section;
The figures are a plan view of FIG. 5, FIG. 7 is an enlarged view of the corner _F1 of the shutter plate, and FIG. 8 is a simplified diagram showing the principle of the embodiment. In the drawing, 1 is a shutter plate, 2 is an air cylinder, 3 is a piston rod, 4 is a balance weight, _K1 is a movable pulley part, _K2 and _K3 are fixed pulley parts, a,
b is a wire rope.

Claims

[Scope of utility model registration request]

In a shutter device that uses a wire rope to open and close a shutter plate up and down, the shutter plate, two wire ropes fixed to the shutter plate, and a balance weight that moves up and down via these two wire ropes are used. A shutter device comprising a movable pulley for holding and a drive source for operating the movable pulley.