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.

Date of Patent:
Feb. 17, 2026

Filed:

Jan. 27, 2022
Applicant:

Kowa Company, Ltd., Nagoya, JP;

Inventors:

Jun Takayama, Soka, JP;

Syuichi Tominaga, Nagoya, JP;

Assignee:

Kowa Company, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01);
U.S. Cl.
CPC ...
G02B 7/022 (2013.01); G02B 7/023 (2013.01);
Abstract

According to one or more embodiments of the disclosure, a lens barrel includes an operation member and a knob. The operation member is disposed to be rotatable in a circumferential direction with respect to a lens barrel body. The knob is restricting and fixing rotation of the operation member in the circumferential direction. The lens barrel further includes a knob falling-off prevention member capable of switching between a first state of making the knob detachable from the lens barrel body and a second state of making the knob non-detachable from the lens barrel body.


Find Patent Forward Citations

Takayama, Jun. (2026). Lens barrel and knob falling-off prevention member (U.S. Patent No. 12554094). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12554094

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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