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:
Jan. 20, 2026
Filed:
Jul. 17, 2024
Light Optical Works, Ltd., Nagano, JP;
LIGHT OPTICAL WORKS, LTD., Nagano, JP;
Abstract
An optical sighting deviceused by being installed to a firearm includes: an objective system part, forming an inverted image of a target object on a first focal plane; and an erect system part, forming an erect image obtained by reversing the inverted image on a second focal plane. The erect systemhas: lensestoarranged between the first focal plane and the second focal plane; and a movable cylinderas an erect system cylinder holding the lensesto. The adjustment mechanismis a mechanism for adjusting tilting of an axial direction of the movable cylinder, and has: an advancing-retracting shaftas an advancing-retracting member advancing and retracting on an end side of the movable cylinder; and a springas a double torsion spring biasing the movable cylindertoward the advancing-retracting shaft