Trip bar means subassembly

Details Trip bar means subassembly Trip bar means subassembly

1978-04-03

1979-12-18

Braun, Fred L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

337 50, H01H 7500, H01H 7700

Patent

active

041796756

ABSTRACT:
A multi-pole circuit breaker is provided with a trip bar subassembly including a molded bar having integrally formed bearings defining a pivot axis for the subassembly remote from the bar. The bar also includes an integrally formed projection for releasing a latch of a trip free contact operating mechanism. The subassembly also includes an extension unit of formed sheet metal and an elongated pin pivotally connecting the unit to the bar. The unit includes an elongated main section and links individually connected to overload sensing devices of each pole. The links are spaced along the length of the main section extending transverse to the longitudinal axis thereof with the latter being generally parallel to the pin.

REFERENCES:
patent: 3233063 (1966-02-01), Platz
patent: 3329912 (1967-07-01), Brackett
patent: 3422381 (1969-01-01), Toth
patent: 4066989 (1978-01-01), Krueger

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