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. 07, 2025
Filed:
Mar. 24, 2021
Applicant:
Nidec Sankyo Corporation, Nagano, JP;
Inventors:
Toshiyuki Yoshida, Nagano, JP;
Toshio Shirotori, Nagano, JP;
Assignee:
NIDEC SANKYO CORPORATION, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 17/12 (2021.01); G02B 7/02 (2021.01);
U.S. Cl.
CPC ...
G03B 17/12 (2013.01); G02B 7/021 (2013.01); G02B 7/025 (2013.01); G02B 7/026 (2013.01);
Abstract
An O-ring seals between a first lens and a lens barrel. Further, between the second lens and the lens barrel is also sealed by a first adhesive layer. The lens barrel, in a state before manufacturing of the lens unit, is provided with a communication passage that communicates an inside of the lens barrel with an outer peripheral groove (outside of the lens barrel. The communication passage, in the state of FIG.after manufacturing, is sealed by a second adhesive layer (third seal member) made of an adhesive.