| 摘要 |
<p>The safety element (5) is formed as a sleeve, bolt or pin-like body (12) with spring-elastic element e.g. yoke, tongue (7), arm etc. The spring elastic element has a radially outwardly pointing cam (8) or other projection and the safety element can be inserted in an end recess (6) of the output shaft (2) in a security position where the cam catches in a corresponding socket (9) in the inner wall of the recess. The safety element has a radial flange forming a stop (13) on the body and in the security position is set directly adjoining the entrainment member. The cam has a lead-in incline or at the back a rear cut section inclined about six degrees to the vertical.</p> |
