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:
Jun. 20, 2023
Filed:
Feb. 14, 2022
Ryoichi Teranishi, Kanagawa, JP;
Ryoichi Teranishi, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A lens unit includes: a resin lens including a flange forming an outer peripheral portion of the resin lens and a fitting portion having a diameter smaller than a diameter of the outer peripheral portion of the flange; a lens barrel including a lens housing chamber and an abutting surface, the lens housing chamber housing the resin lens with the fitting portion facing the abutting surface; and a pressing member pressing the resin lens against the abutting surface along an optical axis of the resin lens. The fitting portion being fit into the lens housing chamber over an entire circumference of the fitting portion with clearance between the entire circumference and the lens housing chamber to position the resin lens in a direction perpendicular to the optical axis of the resin lens.