Electric lamp assembly having improved mechanical connection bet

Details Electric lamp assembly having improved mechanical connection bet Electric lamp assembly having improved mechanical connection bet

1988-08-15

1989-09-05

Wieder, Kenneth

Electric lamp and discharge devices

With envelope

Having base and connector

362296, 313 51, H01J 514, F21M 330

Patent

active

048641839

ABSTRACT:
A lamp assembly having a molded plastic holder body for holding a light bulb in position thereon. The light bulb has a flat base encircled by a holder band which has bulb retainer lugs resiliently engaging the bulb base under their own bias. The holder band inclusive of the bulb retainer lugs is made from a metal (e.g. nickel silver) that is resilient enough to enable the lugs to securely engage the bulb base. Spot welded to the holder band is a first connector made from another metal (e.g. austenitic stainless steels of certain specific compositions) that is weldable enough to permit the first connector to be firmly welded to the holder band. A second connector of substantially tubular shape, which may be made from the same metal as the first connector, is immovably engaged in the holder body and welded to the first connector. Thus the light bulb is securely engaged by the holder band of resilient metal and firmly mechanically coupled to the molded plastic holder body via the first and second connectors of weldable metal.

REFERENCES:
patent: 3885149 (1975-05-01), Wolfe et al.
patent: 4500946 (1985-02-01), Mikola
patent: 4547838 (1985-10-01), Wakimizu
patent: 4634920 (1987-01-01), Rijckaert et al.
patent: 4641056 (1987-02-01), Sanders et al.
patent: 4769574 (1988-09-01), Nagasawa et al.

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