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:
Jun. 09, 2015
Filed:
Dec. 05, 2011
Applicant:
Junpei Nagao, Gunma, JP;
Inventor:
Junpei Nagao, Gunma, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 37/00 (2006.01); B65G 13/02 (2006.01); B65H 5/06 (2006.01); B65H 29/12 (2006.01);
U.S. Cl.
CPC ...
B65G 13/02 (2013.01); B65H 5/062 (2013.01); B65H 2402/545 (2013.01); B65H 2404/144 (2013.01); B65H 29/125 (2013.01); B65H 2404/174 (2013.01);
Abstract
The present invention may lower the cost, save space and simplify assembly in a medium conveyance mechanism that conveys a medium with a pair of conveyance rollers provided facing each other. Namely, the medium conveyance mechanism is disposed with a torsion spring including a coil portion and arms at both ends of the coil portion; a first fixing wall that fixes one arm of the torsion spring; and a second fixing wall that fixes the coil portion at an opposite side from the first fixing wall, wherein the other arm of the torsion spring is made to contact a following roller shaft at the first fixing wall side.