发明名称 PRINTING APPARATUS
摘要 A printing apparatus includes a printing portion for printing on a medium, a driving roller for transporting the medium, a first and a second driven roller which are respectively supported with a gap in one roller shaft in a shaft line direction of the roller shaft and rotate around the roller shaft while pressing the transported medium on the driving roller, and a shaft support member that has a shaft support portion which supports the roller shaft between the first driven roller and the second driven roller. The first and the second driven roller have a through hole into which the roller shaft is inserted and an inner diameter in a roller center portion is smaller than an inner diameter of a roller end portion in the shaft line direction. The roller shaft is supported so as to be swingable with the shaft support portion as a support point.
申请公布号 US2017087899(A1) 申请公布日期 2017.03.30
申请号 US201615277427 申请日期 2016.09.27
申请人 SEIKO EPSON CORPORATION 发明人 AOKI Hiroki;TOKAI Yoshitsugu
分类号 B41J13/03 主分类号 B41J13/03
代理机构 代理人
主权项 1. A printing apparatus comprising: a printing portion for printing on a medium; a driving roller for transporting the medium to the printing portion; a first driven roller and a second driven roller which are respectively supported with a gap in one roller shaft in a shaft line direction of the roller shaft and rotate around the roller shaft while pressing the transported medium on the driving roller; and a shaft support member that has a shaft support portion which supports the roller shaft between the first driven roller and the second driven roller, wherein the first driven roller and the second driven roller have a through hole into which the roller shaft is inserted and in which an inner diameter in a roller center portion is smaller than an inner diameter of a roller end portion in the shaft line direction, and wherein the roller shaft is supported so as to be swingable with the shaft support portion as a support point.
地址 Tokyo JP