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:
Sep. 03, 2019
Filed:
Dec. 06, 2017
Applicants:
Haruki Nagata, Kanagawa, JP;
Ryo Hasegawa, Kanagawa, JP;
Atsushi Nagata, Kanagawa, JP;
Kenji Honjoh, Kanagawa, JP;
Inventors:
Haruki Nagata, Kanagawa, JP;
Ryo Hasegawa, Kanagawa, JP;
Atsushi Nagata, Kanagawa, JP;
Kenji Honjoh, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 7/02 (2006.01); F16H 25/14 (2006.01); G03G 15/00 (2006.01); G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/1675 (2013.01); F16H 7/023 (2013.01); F16H 25/14 (2013.01); G03G 15/161 (2013.01); G03G 15/1615 (2013.01); G03G 15/167 (2013.01); G03G 15/5004 (2013.01); G03G 2221/1657 (2013.01);
Abstract
A cam drive device includes a cam to rotate; a displacement body to be displaced in response to a change in a rotation position of the cam in contact with the displacement body; a motor to rotate the cam; and a power source to output an electric current to be supplied to the motor. An electric current to cause a stall torque to the motor being a stop state is changed in response to a change in a rotation stop position of the cam.