Two-piece clamp shell for electric cigar lighter

Details Two-piece clamp shell for electric cigar lighter Two-piece clamp shell for electric cigar lighter

1984-04-09

1985-10-01

McQuade, John

Geometrical instruments

219267, H01R 1374

Patent

active

045442266

ABSTRACT:
A two-piece clamp shell for an automotive electric cigar lighter of the type that includes a socket carried in a panel or other support surface of the vehicle and has a threaded inner end receiving energy through a snap-on fitting connected to the vehicle's electrical system. The clamp shell comprises a two-piece assemblage which can be applied to the socket from the underside of the panel, to secure the same in place. It includes a tubular, encircling body part and a nut part. The body part has a forward edge portion which engages the rear face of the support surface, and a rear edge portion which is engaged by the nut part, the latter having a thread mating with the socket thread, and abutments disposed forward of the thread. The rear edge of the body part is engaged by the abutments on the nut part during the clamping. A continuous forwardly-facing shoulder on the nut part provides a retainer lip over which the vehicle's snap-on electrical fitting can be forced regardless of the rotative position of said part. The nut part permits circumferential alignment of the body part with respect to the socket, for lighting requirements. Also, the nut part can be employed with body parts having different axial lengths to accommodate different support surfaces.

REFERENCES:
patent: 1565313 (1925-12-01), Douglas
patent: 2180711 (1939-11-01), Lehmann
patent: 3341687 (1967-09-01), Horwitt et al.
patent: 3975619 (1976-08-01), Uda

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