Geometrical instruments
Patent
1976-10-18
1977-08-09
Lake, Roy
Geometrical instruments
339 99R, 339126R, 339176R, H01R 908, H01R 1354
Patent
active
040406997
ABSTRACT:
A plate, such as an escutcheon plate designed to overlie and cover a wall-mounted outlet receptacle, is provided with a centrally-located aperture extending therethrough which is aligned with a central cavity in a body member upon assembly. Both the aperture and cavity are configured to receive and retain a standardized male connector such as that disclosed in U.S. Pat. No. 3,761,869, Hardesty et al. A plurality of first grooves are provided in a lower surface of the central cavity of the body member and communicate with a corresponding plurality of bores through the body member, each of which in turn communicates by means of a second groove with one of a plurality of terminal-receiving cavities in the body member. A conductor is located in each one of the plurality of bores and has a first wire spring contact portion located within one of the plurality of first grooves and partially extending into the central cavity for engaging a corresponding contact in the male connector. A second portion of each conductor lies in the corresponding second groove and terminates in the corresponding terminal-receiving cavity, wherein it is clamped between a nut and a spacer by a machine screw to form the electrical terminal and to also allow interconnection with one of a plurality of leads pulled into the outlet receptacle. An embodiment of the invention is also disclosed wherein the body member is assembled with an adapter plate having a centrally-located aperture, with the adapter plate being configured to be installed in a wall-mounted outlet receptacle and to protrude through a centrally-located, knockout aperture of an escutcheon plate.
REFERENCES:
patent: 3619476 (1971-11-01), Rasmussen
patent: 3761869 (1973-09-01), Hardesty et al.
patent: 3835445 (1974-09-01), Hardesty
patent: 3850497 (1974-11-01), Krumreich et al.
Crest Industries, Inc.
Desmond E. F.
Lake Roy
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