| 摘要 |
A bistable push button overcenter switch having a pair of stable positions to which the movable contact is shifted by identical successive movement of the pushbutton. A tension spring is connected to the pivoted pushbutton and to a projection on the movable contact. Camming surfaces are associated with each of the fixed contacts to cam the free end of the movable contact toward the other stationary contact upon depressing the pushbutton to change the tilt of the movable contact and shift it laterally through an overcenter position.
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