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.
Patent No.:
Date of Patent:
Oct. 02, 2001
Filed:
Feb. 15, 2000
Heinz F. Thummel, Salinas, CA (US);
Laser Devices, Inc., Monterey, CA (US);
Abstract
A laser precision bore sight assembly and method aligns a laser beam along the longitudinal axis of a gun barrel. At the proximate end of an elongated bore shaft is rotatably mounted a compressible barrel insert with a continuous outer surface which resiliently engages the inside wall of the gun barrel to coaxially align the longitudinal axis of the proximate end of the shaft with the longitudinal axis of the gun barrel. The exterior surface of an alignment cone is provided on the distal end of the bore shaft. A battery/switch housing, containing a switch assembly, cooperates with a laser housing assembly to provide an enclosure for a battery. A laser source in the laser housing assembly provides a laser beam in a direction coaxial with the longitudinal axis of the shaft. Matching threads provide for relative longitudinal movement such that a terminal of the battery engages the switch assembly to activate the laser source. The compressible barrel-shaped insert is a cylinder formed of a machined acetal material. Different sizes of compressible barrel inserts are provided for different gun-barrel calibers. A three point laser alignment mechanism directs the laser beam along the longitudinal axes of the shaft and the bore of the gun barrel, even when the shaft is rotated. The invention also provides a method for aligning a laser beam along the longitudinal axis of the bore of a gun barrel.