| 摘要 |
<p>An electrical switch mechanism comprising: a fixed contact; a movable contact on a lever carrier, movable between an inoperative position and an operative position where the contacts engage, through an intermediate position; a pivotable rocker carrying first bias means for urging the lever carrier, the rocker being pivotable from a first rest position where the first bias means can urge the lever carrier into the inoperative position and a second position where the bias means can urge the lever carrier into the intermediate position; an actuator comprising a push button which, when actuated, pivots the rocker between the first position and the second position, and a latch which retains the rocker in the second position upon release of the push button, the arrangement being such that when the push button is subsequently released, the first bias means urges the lever carrier into the operative position.</p> |
