Socket for discharge lamp bulb

Details Socket for discharge lamp bulb Socket for discharge lamp bulb

1997-05-02

2000-07-18

Abrams, Neil

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

200 5109, 439140, 439180, H01R 1344, H01R 3396

Patent

active

060898879

ABSTRACT:
A socket (11) for a discharge lamp bulb includes two power supply terminals, and a shielding wall for completely shielding the two power supply terminal from each other when a discharge lamp bulb is not properly seated in the socket (11). In different embodiments the socket (11) includes (FIGS. 2-5) a spring biased reciprocatably mounted cylindrical wall (24) to separate power supply terminals (21, 23), a (FIGS. 6, 7) center contact (21) mounted for reciprocation between a recessed position and an operating position in response to lamp insertion, a (FIGS. 9-14) rotary sliding member (34) or a rotary ring (40) both of which are spring biased to a blocking position and movable to a non-blocking position by lamp insertion into the socket, and a (FIGS. 16, 17) rotationally mounted member (47) having a plate (50) for separating power supply terminal segments (23b, 23c) prior to complete insertion of the lamp.

REFERENCES:
patent: 776855 (1904-12-01), La Har
patent: 1171914 (1916-02-01), Wright
patent: 1727826 (1929-09-01), Harris
patent: 2181050 (1939-11-01), Evans
patent: 3936122 (1976-02-01), Hagelberg
patent: 4461523 (1984-07-01), Ustin et al.
patent: 4875866 (1989-10-01), Winant
patent: 5593324 (1997-01-01), Ito
patent: 5823806 (1998-10-01), Nagase et al.
patent: 5871377 (1999-02-01), Sato et al.

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