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. 01, 2024
Filed:
Apr. 09, 2020
Ricoh Industrial Solutions Inc., Yokohama, JP;
Kazuhisa Takahashi, Yokohama, JP;
RICOH INDUSTRIAL SOLUTIONS INC., Yokohama, JP;
Abstract
A lens barrel including a space-saving position adjustment function. The lens barrel constitutes a part of a projection optical system including a catoptric system including at least one reflecting mirror and that uses a dioptric system including multiple lens groups. At least one of the multiple lens groups includes a non-circular lens. The lens barrel includes a movable part that has an inner wall surface holding the non-circular lens and that is able to move the lens group that includes the non-circular lens in an optical axis direction of the non-circular lens, a holding part that is disposed on an outer circumferential side of the movable part and that holds the movable part and a shaft part formed in the optical axis direction, and a curved part that is disposed on an outer circumferential side of the holding part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile