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:
Dec. 04, 2018
Filed:
Jul. 26, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takeshi Aoki, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 3/52 (2006.01);
U.S. Cl.
CPC ...
B65H 3/5261 (2013.01); B65H 3/5207 (2013.01); B65H 2402/521 (2013.01); B65H 2402/64 (2013.01); B65H 2403/72 (2013.01); B65H 2404/133 (2013.01); B65H 2404/152 (2013.01); B65H 2404/17 (2013.01); B65H 2405/325 (2013.01);
Abstract
A medium transportation device includes a transportation driving roller that transports a medium; a roller unit including a separation roller as a driven roller that is rotated by rotation of the transportation driving roller and a shaft which penetrates a rotation center of the separation roller; a holder that detachably holds the roller unit; and a lock mechanism that switches between an unlocked state in which the roller unit is unlocked from the holder and a locked state in which the roller unit is locked to the holder.