Lamp/reflector assembly and electric lamp for use therein

Details Lamp/reflector assembly and electric lamp for use therein Lamp/reflector assembly and electric lamp for use therein

1992-01-29

1993-08-10

Lazarus, Ira S.

Illumination

Light source and modifier

Including reflector

362287, 362429, 313113, 313580, F21V 700

Patent

active

052354989

ABSTRACT:
A lamp/reflector assembly has an electric lamp (10) having a base (13) presenting projections (17-19) which touch an imaginary sphere having its center of curvature coincident with the electrical element (12) of the lamp. The reflector (1) of the assembly has an opening (6) through which the lamp (10) extends, and a convex, spherically curved mounting surface (30) aligned with respect to the opening (6). The mounting surface (30) has its center of curvature substantially coincident with the optical center (4) of the reflector (1). The projections (17-19) of the base bear against the mounting surface (30) and the optical center (4) of the reflector (1) coincides with the electrical element (12), also when the lamp occupies one of a number of positions tilted with respect to the optical axis (3) of the reflector (1).

REFERENCES:
patent: 3963916 (1976-06-01), Morton
patent: 3974370 (1976-08-01), Pearson
patent: 4061912 (1977-12-01), Levasseur
patent: 4390935 (1983-06-01), Audesse et al.

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