Screw socket for an electric bulb

Details Screw socket for an electric bulb Screw socket for an electric bulb

1994-12-28

1998-10-13

Abrams, Neil

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

H01R 1340

Patent

active

058204156

ABSTRACT:
The present invention relates to a screw socket, wherein the screw area is formed on the inner wall of the neck of the screw socket for receiving a screwed in electric bulb. The screw area is composed of a pair of screws which occupy no more than 1/4 circumference and are opposite to each other. The male mold used for forming the above screws includes active molds with respect to the above screw area, and the precision of the screw threads is kept within the proper tolerence during an injection molding thereof.

REFERENCES:
patent: 959977 (1910-05-01), Woshburn et al.
patent: 3027533 (1962-03-01), Monson
patent: 3251023 (1966-05-01), Schick
patent: 4541605 (1985-09-01), Kubota et al.
patent: 4778409 (1988-10-01), Maddock
patent: 4836801 (1989-06-01), Ramirez
patent: 4919608 (1990-04-01), Catalanotti et al.
patent: 5176532 (1993-01-01), Herzog et al.

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