| 摘要 |
1429093 Stud-and-socket fastenings B WENNERSTEN 23 April 1974 [24 April 1973] 17642/74 Heading E2B [Also in Division H1] In a releasable rotary coupling for an electric switch, a female component 1 Fig. 2 attached to a switch door 6 and having a shaped aperture 8a engageable with a male coupling member 7, 7a, with a correspondingly shaped plate 7a, a further component 3 rotatably mounted on the door 6 and having a correspondingly shaped aperture 8 prevents the insertion or removal of the male coupling member 7 unless the apertures 8, 8a are rotatably aligned. A stop bolt 9 engageable in a slot 11 of the female component I limits the rotation. A tab 10 extends radially from the periphery of the component 3 and engage in a selected recess 12 of the bearing 2 for setting the required release position. |
