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:
Oct. 27, 2015

Filed:

Dec. 10, 2014
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Masahiro Hideshima, Saitama, JP;

Tsuyoshi Mitarai, Saitama, JP;

Atsushi Misawa, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 7/02 (2006.01); G02B 7/10 (2006.01); G02B 7/04 (2006.01); G03B 3/10 (2006.01); G03B 13/32 (2006.01);
U.S. Cl.
CPC ...
G02B 7/10 (2013.01); G02B 7/04 (2013.01); G03B 3/10 (2013.01); G03B 13/32 (2013.01); G03B 2205/0046 (2013.01);
Abstract

An appropriate operation angle (actuation angle) corresponding to a use is obtained by a relatively simple structure. A focus ringis mounted around a focus camWhen the focus ringis moved to a front end side, a gear formed in the focus ringmeshes with a gearof the focus camand the rotation of the focus ringis directly transmitted to the focus camWhen the focus ringis moved to a rear end side, the gear formed in the focus ringmeshes with pinionsmounted on the focus camand the rotation of the focus ringis directly transmitted to the focus camthrough the pinionsA half of the rotation angle of the focus ringis the same as the rotation angle of the focus cam


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