Automatic overload tripper

Details Automatic overload tripper Automatic overload tripper

1985-06-14

1987-01-06

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 79, H01H 7104, H01H 7116

Patent

active

046350217

ABSTRACT:
An automatic overload tripper which uses a push button to press a bent bimetal strip down against a spring which assures that a hook at an end of the bimetal strip can keep good electrical contact with a contact plate, and the hook can trip automatically at overload. The spring also pushes against the bimetal strip so that it will not restore its original position by itself after cooling, for safety purposes.

REFERENCES:
patent: 2458804 (1949-01-01), Sundt
patent: 3038047 (1962-06-01), Marquis
patent: 4342979 (1982-08-01), Phillips

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