Adjustable light

Details Adjustable light Adjustable light

1989-08-16

1991-05-21

Husar, Stephen F.

Illumination

Supports

Antislipping

362372, 362399, F21V 1900

Patent

active

050173278

ABSTRACT:
A light includes an adjusting mechanism for focusing the light beam. The light includes a casing, a reflector mounted in the casing, and a piston housing mounted in the casing. A piston is slidably mounted in the piston housing and carries a bulb. A screw is rotatably mounted on the casing and is threadedly engaged with the piston. Rotation of the screw slides the piston and the bulb relative to the reflector to adjust the light beam.

REFERENCES:
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patent: 1610127 (1926-12-01), Godley
patent: 2186439 (1940-01-01), Whalen
patent: 2212975 (1940-08-01), Boynton
patent: 2217790 (1940-10-01), Boynton
patent: 3428800 (1969-02-01), Levin et al.
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patent: 4410933 (1983-10-01), Blake et al.
patent: 4429471 (1984-02-01), Goodstine et al.
patent: 4536832 (1985-08-01), Lemons
patent: 4602321 (1986-07-01), Bornhorst
patent: 4675794 (1987-06-01), Fink, Jr. et al.
patent: 4692844 (1987-09-01), Galerne
Brochure for "MAGNUM" Handheld--1,250,000 Candlepower Spot Only, no date given.

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