Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1988-10-03
1990-05-15
Broome, H.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
200303, H01H 7312
Patent
active
049261487
ABSTRACT:
A circuit breaker having the generally rectangular case with an actuating switch handle on one edge and terminals at the opposite edge is provided with an auxiliary switch receptacle at the edge by the terminal. Retainer means is provided for holding the auxiliary switch in the receptacle and an access opening is provided through the edge wall for communication between the switch actuating member and a portion of the breaker mechanism moving in response to breaker contact opening and closing. A U-shaped retainer is preferably used to retain the switch in the receptacle by passing prongs thereof through the holes in the switch walls and the aligned switch holes. The actuator member may be in accordance with various types of mechanisms, either a compressible member or a rigid slide, and in either case is moved by the breaker mechanism into the actuating means of the switch. In the case of a rigid slide, the slide may be extended outside the switch retainer housing and provide coverage or exposure of a colored patch, indicating respectively open and closed breaker contacts.
REFERENCES:
patent: 3720891 (1973-03-01), Nicol
patent: 4760226 (1988-07-01), Fasano
Broome H.
Heinemann Electric Company
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