JPS63145030U

JPS63145030U -

Info

Publication number: JPS63145030U
Application number: JP18843587U
Authority: JP
Priority date: 1987-12-10
Filing date: 1987-12-10
Publication date: 1988-09-26
Also published as: JPH0429139Y2

Description

[Brief explanation of drawings]

第１図・第２図は夫々従来装置の正面図、及び
スプリングの係合状態を示す説明図、第３図・第
４図・第５図は夫々本発明による一実施例の組付
状態を示す分解斜視図、第５図の―線に沿う
断面をもつて示された正面図、及びスプリングの
係合状態を示す断側面図である。２１…ケース、２２…外壁、２３…内壁、２７
…ハンドルシヤフト（駆動部材）、２８…切欠部
、３０…プレート（従動部材）、３０ａ…突起、
３４…小径コイルスプリング、３５…大径コイル
スプリング。 Figures 1 and 2 are respectively a front view of a conventional device and an explanatory diagram showing the engaged state of the spring, and Figures 3, 4, and 5 are respectively an assembled state of an embodiment according to the present invention. FIG. 6 is an exploded perspective view shown in FIG. 21...Case, 22...Outer wall, 23...Inner wall, 27
...Handle shaft (driving member), 28...Notch, 30...Plate (driven member), 30a...Protrusion,
34...Small diameter coil spring, 35...Large diameter coil spring.

Claims

[Claims for Utility Model Registration] A driving member and a driven member are rotatably disposed in a case, and a protrusion provided on the driven member is inserted into a notch formed in the driving member with a gap in the direction of rotation. The driving member and the driven member are fitted to each other so that the driving member and the driven member can rotate together, and the case is provided with an annular outer wall and an inner wall, and a large diameter wall is connected to the inner circumferential surface of the outer wall between the outer wall and the inner wall. A coil spring and a small-diameter coil spring connected to the outer peripheral surface of the inner wall are arranged side by side, one end of the large-diameter coil spring is locked to the driven member, and the other end of the large-diameter coil spring is fixed to the driven member. When the driving member is rotated in one direction, the small diameter coil spring is wound so as to be able to engage with the driving member and contracted by the rotation of the driving member in one direction; One end thereof is locked to the driven member, and the other end is engageable with the driving member when the driving member is rotated in the other direction, and expands when the driving member is rotated in the other direction. The inner wall of the case allows the driving member to rotate freely in the direction of its rotational axis over the fitting portion between the notch of the driving member and the protrusion of the driven member. Supported spring cutlet device.