Two component operating handle for a primary circuit breaker

Details Two component operating handle for a primary circuit breaker Two component operating handle for a primary circuit breaker

1987-09-30

1989-02-14

Scott, J. R.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200 17R, 337245, 439477, H01H 0000

Patent

active

048048070

ABSTRACT:
A two component operating handle for opening and closing an electrical switch by a hook stick, the handle including a rigid portion mounted on the operating shaft of the electrical switch and a flexible portion mounted on the outer end of the rigid portion. The flexible portion including a pair of extensions extending outwardly to form an enclosed hook stick opening with the ends of the extensions terminating at a slot at the outer end of the handle so that the hook stick will be released from the opening on bending of one or both of the extensions to open the slot when the rigid portion of the handle engages a fixed stop.

REFERENCES:
patent: 1633979 (1927-06-01), Crabbs
patent: 1925624 (1933-09-01), Boll
patent: 4268811 (1981-05-01), Evans et al.
patent: 4435690 (1984-03-01), Link et al.
patent: 4480244 (1984-10-01), Manning
patent: 4636764 (1987-01-01), Mee et al.
patent: 4737878 (1988-04-01), Mikulecky

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