Automobile lamp bulb with welded low beam shield

Details Automobile lamp bulb with welded low beam shield Automobile lamp bulb with welded low beam shield

1997-06-04

1998-12-15

O'Shea, Sandra

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

313316, 313113, 313115, H01K 900

Patent

active

058501240

ABSTRACT:
In an automobile lamp bulb, a shield is attached firmly to a common conductor by an improved fixing method. Dents are formed in one surface of a shield to form projections in the other surface of the same and a cut is formed in the shield. Portions of the shield defined by the cut are raised to form lugs, and projections are formed, respectively, on the lugs. A projection is formed in each lug which corresponds to the dents, but project in opposite directions. The projections of the shield are welded by projection welding to the common conductor to join the shield firmly to the common conductor. Therefore, an inexpensive rough service automobile lamp bulb is provided. In another embodiment, a portion of a round common conductor is flattened to form a flat portion. A shield is positioned on and welded to the flat portion of the common conductor. Since the shield is positioned on and welded to the common conductor in surface contact, the amplitude of vibration of the shield can effectively be suppressed.

REFERENCES:
patent: 1793398 (1931-02-01), Hamberger
patent: 3774064 (1973-11-01), Vause
patent: 3801178 (1974-04-01), Van Den Berge
patent: 3824421 (1974-07-01), Schuringa et al.
patent: 3904908 (1975-09-01), Wolfe et al.
patent: 3912961 (1975-10-01), Rees et al.
patent: 4801845 (1989-01-01), Kiesel
European Patent Application No. 97 108 901.6; Honda Giken Kogyo K.K.

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