Fail safe roller switch

Details Fail safe roller switch Fail safe roller switch

1997-12-23

1999-09-28

Gellner, Michael L.

Electricity: circuit makers and breakers

Special application

Feeler moves into detecting contact with object

200 6117, 200 6118, 200 6183, 187282, H01H 316

Patent

active

059592729

ABSTRACT:
A switch (8) having an arm (12) and a roller (16) includes a biasing force generating means (140, 150, 160) for operating the switch in the event the roller (16) is detached.

REFERENCES:
patent: 4295017 (1981-10-01), Kashima et al.
patent: 5276299 (1994-01-01), Marsh

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