Dual filament halogen cycle automotive-type incandescent lamp

Details Dual filament halogen cycle automotive-type incandescent lamp Dual filament halogen cycle automotive-type incandescent lamp

1982-06-30

1985-01-08

Moore, David K.

Electric lamp and discharge devices

With envelope

Having base and connector

313315, 339144R, H01J 548, H01J 556, H01J 558

Patent

active

044928939

ABSTRACT:
To provide for cementless attachment of a halogen cycle incandescent bulb ) to a positioning ring (2) formed with a flange-like extension (6a) and a generally sleeve-like projection (6), the press stem (5) of the lamp is placed in a stem holder (1) which has a sleeve-like portion, fitted between lugs (11) extending in the direction of the sleeve-like portion of the positioning ring, the lugs being welded to the stem holder at selected circumferential positions. Assembly, alignment and adjusment of this structure is facilitated with respect to structures in which lugs are bent-over at right angles from a base holder.

REFERENCES:
patent: 4013335 (1977-03-01), Varkonyi et al.
patent: 4384236 (1983-05-01), Hellwig et al.
patent: 4396860 (1983-08-01), Hellwig et al.

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