Geometrical instruments
Patent
1981-06-25
1983-10-04
Desmond, Eugene F.
Geometrical instruments
H01R 13504
Patent
active
044075600
ABSTRACT:
An electrical adapter is described particularly useful for converting a 250 watt halogen lamp socket having a width of 7/16" to a 75 watt episical reflector lamp or flood socket having a diameter of 1". The adapter comprises a top and bottom hollow ceramic section. The top section consists of a hollow base member adhesively mated to a top member. The top member has mounted thereon a male screw shell and a center contact. The bottom ceramic section contains an internally threaded female screw shell and a bottom central contact. A connecting member is bonded to the hollow base member of the top section and is equipped with a central internally threaded collar to which is threaded a tubular neck. The bottom section is screwed to the connecting member. Wires connect the top and bottom center contacts and the male and female screw shells.
REFERENCES:
patent: 2127124 (1938-08-01), Litner
patent: 2385478 (1945-09-01), Steinmayer
patent: 3248534 (1966-04-01), Cahill et al.
Desmond Eugene F.
Goebel Ronald G.
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