Circuit breaker line terminal screw retainer

Details Circuit breaker line terminal screw retainer Circuit breaker line terminal screw retainer

1985-12-20

1987-03-17

Weidenfeld, Gil

Geometrical instruments

339272R, 339 22B, 335 35, H01R 922

Patent

active

046502726

ABSTRACT:
A composite line strap is used with molded case circuit breakers to support the circuit breaker stationary contact and to retain the circuit breaker line terminal screw. The fixed contact is welded to the line strap within the breaker at a first end and the line terminal screw is attached to the opposite end of the line strap by a through-hole in a spring-steel retainer which extends partially within the circuit breaker. The line terminal screw is tightly held within the through-hole of the retainer at the first end and the retainer itself is trapped between the bottom of the circuit breaker case and the line strap at the opposite end of the line strap.

REFERENCES:
patent: 2231325 (1941-02-01), Douglas
patent: 3238495 (1966-03-01), Lanius
patent: 3354277 (1967-11-01), Stanback et al.
patent: 3426319 (1969-02-01), Downs et al.
patent: 3715707 (1973-02-01), Anderson
patent: 4513268 (1985-04-01), Seymour et al.
patent: 4609893 (1986-09-01), Seymour et al.
patent: 4631634 (1986-12-01), Raabe et al.

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