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:
Jan. 17, 2012
Filed:
Apr. 01, 2008
Tomoyuki Kubota, Shiojiri, JP;
Kenichi Nakajima, Shimosuwa-machi, JP;
Tomoyuki Kubota, Shiojiri, JP;
Kenichi Nakajima, Shimosuwa-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided herein is a feed drive device for a printer including: a feed roller that feeds a print medium in synchronization with drive of a print head; a motor constituting a driving source of the feed roller; a roller reduction gear train that transmits power from the motor to the feed roller; and a reverse rotation preventing mechanism that is incorporated in an input side of the roller reduction gear train and prevents reverse rotation of the feed roller; the reverse rotation preventing mechanism being operated by reverse rotational power of the feed roller reversely input to the roller reduction gear train to prevent reverse rotation of a first gear disposed in an input side of the roller reduction gear train.