Lamp socket attachment

Details Lamp socket attachment Lamp socket attachment

1983-12-30

1985-10-22

Weidenfeld, Gil

Geometrical instruments

339 73, 339167, 339176L, H01R 1302

Patent

active

045484490

ABSTRACT:
A lamp socket attachment to convert a conventional screw-type light bulb socket into a spring insert type socket comprises a hollow cylindrical member open at both ends made of electrically non-conductive material divided by a transverse partition into upper and lower cup-like compartments, a cylindrical plug made of electrically non-conductive material is fixed concentrically in the lower compartment, there is a bore centrally through the plug and the partition, a contact member made of electrically conductive material slides captive in the bore, the contact member being adjustable in length, and there is a conductor member made of electrically conductive material having a lower portion extending along the outside of the plug through the partition and an upper portion extending along the inside surface of the upper compartment, such conductor member being structured so its lower portion will engage the threads of a screw-type bulb socket when the plug is inserted into the bulb socket and its upper portion will engage the threads of a conventional screw base light bulb inserted into the upper compartment of the lamp socket attachment.

REFERENCES:
patent: 796922 (1905-08-01), Morgan
patent: 1239005 (1917-09-01), Harris et al.
patent: 1314008 (1919-08-01), McWilliams
patent: 1522204 (1925-01-01), O'Neil
patent: 2066144 (1936-12-01), Douglas
patent: 2394468 (1946-02-01), Noel
patent: 2565492 (1951-08-01), French, Jr.
patent: 3040285 (1962-06-01), Stanley
patent: 3040286 (1962-06-01), Heller et al.
patent: 3915536 (1975-10-01), Glantz
patent: 4183604 (1980-01-01), Tjornhom, Sr.

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