Pushbutton electric switch

Details Pushbutton electric switch Pushbutton electric switch

1977-01-06

1978-04-04

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 72, H01H 7116

Patent

active

040830276

ABSTRACT:
A circuit interrupter characterized by a manually operated fast acting switch and an overload relay for tripping of switch in response to current overload. The switch comprises means for moving electric contacts between open and closed and tripped positions which means includes a releasable arm which is movable between latched and unlatched positions. The switch also comprises a pair of pushbuttons for manually opening and closing the switch which pushbuttons are effective to move a lever which in turn actuates an overcenter toggle mechanism for opening and closing the switch.

REFERENCES:
patent: 2374778 (1945-05-01), Platz
patent: 2473901 (1949-06-01), Pierce

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