The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 21, 1991

Filed:

Aug. 16, 1989
Applicant:
Inventor:

David J Bamber, Wichita, KS (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362389 ; 362372 ; 362399 ;
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.


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