Geometrical instruments
Patent
1975-04-14
1976-04-20
Lake, Roy
Geometrical instruments
339156R, H01R 306
Patent
active
039514897
ABSTRACT:
An electrical receptacle comprises an integrally molded body member and flanged face plate formed preferably as a duplex receptacle for the receipt of conventional two and three wire electrical plugs. The interior of the body member comprises a series of selectively positioned contact supports for engagement with novel contact means suitably aligned therewithin. A mating cover member designed to latch with the body member is provided with inwardly directed projections selectively aligned in a series of rows to provide discrete cradles for each of the conductors of a multiconductor electrical cable to be attached to the receptacle. The receptacle is provided with mounting pawls rotatably and axially replaceable for contact with the inner surface of a support structure and is operable from the front surface of the receptable which comprises in one embodiment, a pair of pawl supporting screws the head portions of which are accessible from the front surface of the face plate. The electrical contacts are formed from a single strip of preferably highly conductive metallic material configured to selectively receive the conventional current carrying and the ground conductors of a conventional multiconductor non-metallic sheathed electrical cable. Each of the contacts is selectively formed to provide a U-shaped portion selectively slotted to provide highly effective insulation severing and conductor engaging independently deflectable finger portions designed to provide a rapid, secure, and permanent connection to the respective cable conductors. The contacts are further provided with flattened looped portions arranged to resiliently engage the contacts of an electrical plug inserted within the receptacle. Juxtaposed receptacles may be mounted in a frame and secured to a suitably apertured support member to provide a compact ganged assembly of increased capacity.
REFERENCES:
patent: 2031453 (1936-02-01), Benander
patent: 3725841 (1973-04-01), Robinson
patent: 3848220 (1974-11-01), Frantz
patent: 3860739 (1975-01-01), Kloth
Bicks Mark S.
Lake Roy
Teschner David
Thomas & Betts Corporation
Woldman Jesse
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