| 摘要 |
919,418. Switch contacts; snap-action switches. SAIA A.G. Nov. 26, 1959 [Dec. 3, 1958], No. 40199/59. Class 38 (5). A movable spring 5 carries a pair of contacts 6, 7, arranged one on each surface and at opposite sides of the spring, co-operating with fixed contacts 8, 9. The spring is operable, as shown, by a snap spring 3 which has slotted parts 12, 14 through which spring 5 passes. The slot 11 in part 12 is slanting, or the spring 5 is tilted where it passes through the slot. The arrangement is such that when the contacts engage, the spring 5 is twisted about its longitudinal axis and a wiping action occurs. The spring may be narrowed at 15 and provided with cooling tabs 16, Fig. 6. |
