| 摘要 |
An electrical switch includes a pair of fixed contacts, an operating member movable relative to the fixed contacts, and a pair of movable contacts carried by the operating member and engageable with the fixed contacts respectively in an operative position of the switch, one of said four contacts being capable of movement when engaged by its respective mating contact and being arranged to be engaged by its respective mating contact fractionally before the remaining pair of contacts mate, so that both movable contacts can be engaged with their respective fixed contacts in the operative position of the switch. |
