Bolt-in circuit breaker with improved terminal fastener retainin

Details Bolt-in circuit breaker with improved terminal fastener retainin Bolt-in circuit breaker with improved terminal fastener retainin

1989-04-26

1990-02-27

Envall, Jr., Roy N.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

439813, H02B 104

Patent

active

049051229

ABSTRACT:
Lateral ears of a terminal strap are bent sharply upward to form sidewalls spaced apart by the width of the strap, openings in the sidewalls overlapping arcuate edge portions of an annular flange of a threaded nut to loosely captivate the nut in position over a hole in the strap for cooperation with a threaded post projecting through the hole upon attachment of the breaker to a panelboard. Upper edges of the sidewall openings are abutted by the flange, and a frustoconical rear surface of the nut is engaged by the thread post upon installation to automatically align the nut and post.

REFERENCES:
patent: 1138445 (1915-05-01), Blauvelt
patent: 4040715 (1977-08-01), Debaigt
patent: 4059335 (1977-11-01), Simon
patent: 4358815 (1982-11-01), Koslosky et al.

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