Earth terminal for electrical equipment

Details Earth terminal for electrical equipment Earth terminal for electrical equipment

1982-05-20

1984-04-17

Desmond, Eugene F.

Geometrical instruments

339 14R, 339 75R, 339253R, H01R 452, H01R 466, H01R 13629

Patent

active

044430540

ABSTRACT:
An earth terminal for electrical equipment which is adapted to be attached to and detached from a ground pin. It comprises a collet having locking hooks capable of clamping a ground pin and engageable with a neck portion thereof, a main tubular body in which the collet is inserted in such a manner that the locking hooks project from a mouth thereof, a connector for an earth conductor, which is formed integrally with the tubular body, a shaft formed integrally with the collet and projecting partially from a rear end of the tubular body, a pair of operating levers through which a rear end portion of said shaft is inserted, a holding member consisting of a stop ring mounted fixedly on a rear tip portion of the shaft so as to receive one of the operating levers, a coil spring provided around a front end portion of the shaft so as to urge the collet in the forward direction, a pair of annular face cams, which are engaged with each other and which are formed integrally with the operating levers, respectively, so as to surround the shaft, and projections having inclined surfaces, formed on the outer surfaces of the locking hooks of the collet, and adapted to come into engagement with the mouth of the tubular body.

REFERENCES:
patent: 2567727 (1951-09-01), Quackenbush
patent: 3493917 (1970-02-01), Glowacz
patent: 4054762 (1977-10-01), Knecht

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