Lead free base locking mechanism

Details Lead free base locking mechanism Lead free base locking mechanism

2005-11-29

2005-11-29

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With envelope

Having base and connector

C313S318040, C313S318100, C313S318010, C445S027000

Reexamination Certificate

active

06969947

ABSTRACT:
A lamp that utilizes a lamp base locking ring to secure a lamp base shell to a lamp. A hollow light transmitting body terminates in a neck that includes threads and a keyway. A lamp base locking ring having an indentation that extends into the keyway is disposed around the circumference of the neck. A lamp base shell is threaded onto the threads of the neck. The lamp base shell is mechanically fastened to the lamp base locking ring to secure the lamp base shell to the hollow light transmitting body.

REFERENCES:
patent: 1049070 (1912-12-01), Fowler
patent: 1262936 (1918-04-01), Fowler
patent: 2028884 (1936-01-01), Thomas
patent: 2142072 (1938-12-01), Asmussen et al.
patent: 2157051 (1939-05-01), Birdseye
patent: 5006751 (1991-04-01), Marshall
patent: 5381070 (1995-01-01), Tuttle et al.
patent: 5521460 (1996-05-01), Zhu
patent: 0 599 624 (1994-06-01), None

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