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:
Aug. 11, 2015
Filed:
Sep. 26, 2011
Applicants:
Makoto Iikawa, Saitama, JP;
Ichiro Imaei, Tokyo, JP;
Inventors:
Makoto Iikawa, Saitama, JP;
Ichiro Imaei, Tokyo, JP;
Assignee:
PENTAX RICOH IMAGING COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); F16H 48/06 (2006.01); F16H 48/20 (2012.01); G02B 7/08 (2006.01); F16H 37/08 (2006.01);
U.S. Cl.
CPC ...
G02B 7/08 (2013.01); F16H 37/0826 (2013.01);
Abstract
A gear mechanism having a smaller diameter and achieving an accurate automatic drive includes a central gear supported on a rotational shaft, first and second side gears coaxially positioned on both sides of the central gear, planetary bevel gears supported within side surfaces of the central gear, and sun bevel gears respectively formed on the inner side surfaces of the first and second side gears which are engaged with the planetary bevel gears. At least one of the first and second side gears is provided with a torque adjuster for adjusting the torque of the side gear(s).