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:
Dec. 06, 2022
Filed:
Aug. 07, 2018
Applicant:
Nikon Corporation, Tokyo, JP;
Inventors:
Assignee:
NIKON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01); G02B 7/04 (2021.01); G03B 13/34 (2021.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 7/021 (2013.01); G03B 13/34 (2013.01);
Abstract
A lightweight lens barrel with two focus lenses; a first lens holding frame for holding a first lens, a first drive unit for causing the first lens holding frame to move in the optical axis direction, a second lens holding frame for holding a second lens, a second drive unit for causing the second lens holding frame to move in the optical axis direction, and a moving tube with the first driving unit and the second driving unit, and movable in the optical axis direction, wherein the first lens holding frame and the second lens holding frame are each movable in the optical axis direction with respect to the moving tube.