Cable-actuated electrical safety switch device

Details Cable-actuated electrical safety switch device Cable-actuated electrical safety switch device

H - Electricity

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H

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H01H 17/08 (2006.01) F16P 3/12 (2006.01) H01H 3/02 (2006.01) H01H 15/10 (2006.01)

Patent

CA 1302463

ABSTRACT CABLE-ACTUATED ELECTRICAL SAFETY SWITCH DEVICE A piston operated by a cable stretched out within hand reach along a dangerous zone actuates a tappet whose movements is transmitted to the switch. A slider compresses a spring until in a first phase a pawl prevents the return of the tappet whereafter in a second phase the force of the spring exceeds the force necessary to retract the pins of a striker which is therefore released abruptly to operate the switch. To restore the device to its standby state, a lock plug carrying a cam adapted to release the pawl from the groove in the slider is rotated by means of a key, whereby the device indicates any operation it has made, in order to make it impossible to simulate a stoppage without leaving any trace.

594522

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