| 发明名称 | Medium transport device and recording apparatus | ||
| 摘要 | A medium transport device includes a rotation shaft that enables transport of a medium as it rotates, and a bearing of the rotation shaft, in which the rotation shaft is provided with a hollow portion, a lubricating material containing unit that contains a lubricating material inside an end portion of the hollow portion, and holes that are open to a contact portion with the bearing from the lubricating material containing unit, and the lubricating material can be drawn to the contact portion from the lubricating material containing unit via the holes. | ||
| 申请公布号 | US9227810(B2) | 申请公布日期 | 2016.01.05 |
| 申请号 | US201314082526 | 申请日期 | 2013.11.18 |
| 申请人 | Seiko Epson Corporation | 发明人 | Arimori Kazuhiko |
| 分类号 | B65H27/00;F16C33/10 | 主分类号 | B65H27/00 |
| 代理机构 | Workman Nydegger | 代理人 | Workman Nydegger |
| 主权项 | 1. A medium transport device comprising: a rotation shaft that enables transport of a medium as it rotates; and a bearing of the rotation shaft, wherein the rotation shaft is provided with a hollow portion, a lubricating material containing unit that contains a lubricating material inside an end portion of the hollow portion, and holes that are open to a contact portion with the bearing from the lubricating material containing unit, wherein the lubricating material can be drawn to the contact portion from the lubricating material containing unit via the holes, and wherein the holes are provided with ribs on rear ends of inner sides of the rotation shaft in the rotation direction of the rotation shaft when the lubricating material is drawn to the contact portion. | ||
| 地址 | Tokyo JP | ||