Slow socket

Details Slow socket Slow socket

1978-03-20

1980-01-15

Ross, Herbert F.

Electrical resistors

In or on lamp socket or base

200 5114, H01H 302, H01H 136, H01H 900

Patent

active

041841417

ABSTRACT:
A unique light-bulb switch socket which can accommodate conventional light bulbs and is actuated by either a pull chain or a pushbutton switch. This socket allows current to build up gradually when the bulb is turned on, rather than abruptly as in conventional sockets, resulting in longer bulb lifetimes and reduced eyestrain. The socket uses a special spring-and-cam mechanism to accomplish its function.

REFERENCES:
patent: 1228635 (1917-06-01), Alexander
patent: 2006195 (1935-06-01), Cook
patent: 2075436 (1937-03-01), Grossman et al.
patent: 3028523 (1962-04-01), Seid
patent: 3333224 (1967-07-01), Rosenblatt
patent: 3372302 (1968-03-01), Fasola
patent: 3930183 (1975-12-01), Harnden

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