JPH0223600U

JPH0223600U -

Info

Publication number: JPH0223600U
Application number: JP10256188U
Authority: JP
Priority date: 1988-08-02
Filing date: 1988-08-02
Publication date: 1990-02-16

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す側面図、第２
図はそのワイヤーの牽引作動を説明する牽引機構
の概略平面図、第３図は倒伏初期回動の付勢機構
を示す要部の一部断面した拡大側面図、第４図は
第３図の展開状態の側面図、第５図乃至第７図は
夫々任意の展開状態とした概略側面図である。１，２：支持部材、３：昇降脚材、４：後端脚
材、５：前端脚材、６：スライド脚材、５ａ，６
ａ：車輪、７：巻取ドラム、８：係止ドラム、９
：ガイド輪、１０：バネ筒、１１：コイルバネ、
１２：ロツド、１３：チエン、１４：スプロケツ
トホイール、１５：係合輪、Ａ：舞台板、Ｅ：倒
伏付勢機構、Ｆ：折立て初期付勢機構。 Figure 1 is a side view showing one embodiment of the present invention;
The figure is a schematic plan view of the traction mechanism to explain the wire traction operation, Figure 3 is an enlarged side view with a partial cross section of the main part showing the biasing mechanism for the initial rotation of lodging, and Figure 4 is the same as in Figure 3. FIGS. 5 to 7 are schematic side views of the unfolded state, respectively. 1, 2: Support member, 3: Lifting leg material, 4: Rear end leg material, 5: Front end leg material, 6: Slide leg material, 5a, 6
a: Wheel, 7: Winding drum, 8: Locking drum, 9
: Guide ring, 10: Spring tube, 11: Coil spring,
12: Rod, 13: Chain, 14: Sprocket wheel, 15: Engagement wheel, A: Stage board, E: Lodging biasing mechanism, F: Folding initial biasing mechanism.

Claims

[Scope of Claim for Utility Model Registration] (1) A plurality of assembled stages are provided in which a pair of divided stage parts can be folded up and rotated via elevating legs,
arranging the set stages by rotatably connecting the end of one stage part of each set stage to a slide leg member rotatably connecting the end of the other stage part of the adjacent set stage, The end of the stage section located on the rear end side is rotatably connected to the rear end leg material, and the end of the stage section located on the front end side is rotatably connected to the front end leg material, so that each slide A folding storage stage characterized in that the leg members and the rear end leg member are equipped with a traction device using a motor-driven wire, and the wire is connected to the slide leg member or the front end leg member located in the front part. (2) A motor is installed on each slide leg member and rear end leg member, a wire winding drum is fixed to the rotating shaft of the motor, and the wire is installed on the slide leg member or front end leg member located at the front of the motor. The folding storage type according to claim 1, wherein the wire is engaged with and reversed in the wire guide, and the ends of the reversed wire are connected and fixed to the slide leg side and rear end leg side where the motor is installed. stage. (3) The folding and retractable stage according to claim 1 or 2, wherein each assembly stage is provided with a biasing mechanism for initial rotation during lodging and initial rotation during folding.