by compression or extension of coil springs

Full Title

Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement > Energy stored by deformation of elastic members (by deformation of bimetallic element in thermally-actuated switches H01H37/54) > by compression or extension of coil springs

Child Classifications

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• H01H 5/08 one end of spring transmitting movement to the contact member when the other end is moved by the operating part
• H01H 5/10 one end of spring being fixedly connected to the stationary or movable part of the switch and the other end reacting with a movable or stationary rigid member respectively through pins, cams, toothed or other shaped surfaces
• H01H 5/12 having two or more snap-action motions in succession