JPH0196495U

JPH0196495U -

Info

Publication number: JPH0196495U
Application number: JP19296287U
Authority: JP
Priority date: 1987-12-18
Filing date: 1987-12-18
Publication date: 1989-06-27

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す正面図、第２
図は一部断面とした正面図、第３図は第１図のＡ
―Ａ矢印方向から見た平面図、第４図は係合部材
に付設したドグを示す斜視図、第５図は蓋板を外
した説明図、第６図は従来例の正面図、第７図は
従来の側面図。３……ケーシング、４……回転駆動用電動モー
タ、８……スクリユーシヤフト・ナツト機構、９
……スクリユーシヤフト、１０……昇降部材、１
５……ドグ、２０……リミツトスイツチ。 Figure 1 is a front view showing one embodiment of the present invention;
The figure is a partially sectional front view, and Figure 3 is A of Figure 1.
- A plan view as seen from the direction of arrow A, Fig. 4 is a perspective view showing the dog attached to the engaging member, Fig. 5 is an explanatory view with the lid plate removed, Fig. 6 is a front view of the conventional example, Fig. 7 The figure is a conventional side view. 3...Casing, 4...Electric motor for rotational drive, 8...Screw shaft/nut mechanism, 9
... Screw shaft, 10 ... Lifting member, 1
5...Dog, 20...Limit Switch.

Claims

[Scope of utility model registration request]

A push-up consisting of a screw shaft/nut mechanism, an electric motor for rotationally driving the screw shaft in the mechanism, and a gas spring disposed parallel to the mechanism to assist by always resiliently biasing upward. In a lifting device equipped with a mechanism, the screwshaft/nut mechanism and the gas spring are provided in a cylindrical casing, and the lifting/lowering member of the mechanism is screwed into engagement with the screwshaft of the screwshaft/nut mechanism. is supported by the inner wall of the casing so as to be freely raised and lowered, and furthermore, a dog for detecting the raising and lowering stop position is attached to the side surface of the raising and lowering member so as to be adjustable in position, and furthermore, it is in contact with the dog to detect the upper limit of the raising and lowering member. - A lifting device characterized in that a limit switch for detecting a lower limit stop position is provided inside the casing.