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:
May. 10, 2016

Filed:

Nov. 10, 2011
Applicants:

Ryuuichi Mimbu, Kanagawa, JP;

Osamu Ichihashi, Kanagawa, JP;

Inventors:

Ryuuichi Mimbu, Kanagawa, JP;

Osamu Ichihashi, Kanagawa, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/161 (2013.01); G03G 15/1605 (2013.01); G03G 21/168 (2013.01); G03G 21/1671 (2013.01); G03G 2215/0129 (2013.01); G03G 2215/0193 (2013.01);
Abstract

A transfer device includes a moving device to move a contact surface of an opposing member toward and away from an image bearing surface of an image bearing member. The moving device includes a cam and a cam driving device to rotate the cam. When the cam is at a first position, the image bearing surface and the contact surface are separated. When the cam is at a second position, the image bearing surface and the contact surface contact each other. After a recording medium enters a transfer nip between the image bearing surface and the contact surface, the cam is at the second position, and when the recording medium exits the transfer nip a timing at which the cam starts to rotate from the second position to the first position changes depending on a thickness of the recording medium, to reduce pressure in the transfer nip.


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