JPH0364700U

JPH0364700U -

Info

Publication number: JPH0364700U
Application number: JP12657589U
Authority: JP
Priority date: 1989-10-31
Filing date: 1989-10-31
Publication date: 1991-06-24

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の平面図、第２図は
第１図のＡ−Ａ断面図、第３図は第２図のＢ−Ｂ
断面図、第４図および第５図は上記実施例の作用
説明図、第６図は従来の舞台の平面図、第７図は
第６図のＣ−Ｃ断面図、第８図は第７図のＤ−Ｄ
断面図、第９図は従来の安全ネツト装置の作用説
明図である。１……舞台、２……沈下床、２Ｘ……降下位置
の沈下床、３……迫り、４……ピツト、５……支
柱、６……ガイド、７……軸、８……シーブ、９
……ストツパ、１０……ストツパ、１１……軸、
１２……安全ネツト枠、１３……安全ネツト、１
４……アーム、１５……駆動索、１６……ドラム
、１７……モーター、１８……軸、１０１……舞
台、１０２……沈下床、１０２Ｘ……降下位置の
沈下床、１０３……迫り、１０４……ピツト、１
０５……ガイド、１０６……ジヤツキ、１０６ａ
……ピストンロツド、１０７……安全ネツト枠、
１０７ａ……安全ネツト枠の端部、１０８……ピ
ン、Ａ……舞台のレベル、Ｂ……安全ネツトのレ
ベル。 Fig. 1 is a plan view of an embodiment of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a sectional view taken along line B-B in Fig. 2.
4 and 5 are explanatory diagrams of the operation of the above embodiment, FIG. 6 is a plan view of a conventional stage, FIG. 7 is a sectional view taken along line CC in FIG. 6, and FIG. Figure D-D
The sectional view, FIG. 9, is an explanatory view of the operation of a conventional safety net device. 1...stage, 2...sinking floor, 2X...sinking floor at descending position, 3...approaching, 4...pit, 5...post, 6...guide, 7...shaft, 8...sheave, 9
...Stoppa, 10...Stoppa, 11...Axis,
12... Safety net frame, 13... Safety net, 1
4...Arm, 15...Drive cable, 16...Drum, 17...Motor, 18...Axis, 101...Stage, 102...Sinking floor, 102X...Sinking floor at descending position, 103...Approaching , 104...Pitsuto, 1
05...Guide, 106...Jackie, 106a
...Piston rod, 107...Safety net frame,
107a...End of safety net frame, 108...Pin, A...Level of stage, B...Level of safety net.

Claims

[Scope of utility model registration request]

A guide installed below the stage adjacent to the approach, a support supported by the guide so that it can move up and down, a sheave attached to a horizontal shaft installed at the bottom end of the support, and a sheave installed at the top end of the support. a safety net frame rotatably mounted on a horizontal shaft, an arm provided at the base of the safety net frame, a driving cable with one end fixed to the end of the arm, and a sheave attached to the bottom surface of the pit. A stage safety net device comprising a drum connected to the other end of the drive cable via a drum for winding in or letting out the drive cable.