| 摘要 |
<p>PRESSURE ACTUATED SWITCH A switch is provided including an actuating member having a piston portion at one end responsive to applied fluid pressure, a guide portion at its opposte end encompassed by a coiled compression spring, and having an intermediate annular rib engagable with inwardly projecting tabs of arcuately extending contact plates. Each of two of the contact plates has a contact selectively engagable with a corresponding contact on the third contact plate in response to movement of said actuating member.</p> |
