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:
Jul. 27, 2021
Filed:
Jun. 27, 2018
Applicant:
Nidec Sankyo Corporation, Suwa-gun Nagano, JP;
Inventor:
Toshio Shirotori, Suwa-gun Nagano, JP;
Assignee:
NIDEC SANKYO CORPORATION, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/025 (2013.01); G02B 7/021 (2013.01); G02B 7/026 (2013.01); G02B 13/0045 (2013.01);
Abstract
A lens unit may include a plurality of lenses, and a mirror cylinder that holds the plurality of lenses. At least one of the plurality of lenses may include a glass lens held in a lens holder having a cylinder part. The lens holder may include an annular projection part that protrudes radially inward from the cylinder part, on the opposite side of the cylinder part from an installation opening for the glass lens. The glass lens may be press-fitted and fixed in the cylinder part with a gap between the glass lens and the annular projection part.