Gear pump and printing apparatus provided with same |
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| 申请号 | US15671496 | 申请日 | 2017-08-08 | 公开(公告)号 | US10112406B2 | 公开(公告)日 | 2018-10-30 |
| 申请人 | SEIKO EPSON CORPORATION; | 发明人 | Masaaki Ando; Noritaka Mitsuo; Norihiro Maruyama; | ||||
| 摘要 | A gear pump includes a pump casing and a gear assembly. The gear assembly includes a driving gear, a driven gear, a driving gear shaft, a driven gear shaft, and a bearing frame. The bearing frame includes a frame main body, a pair of driving side bearing portions, and a pair of driven side bearing portions. The frame main body has a pair of bearing support portions, in which the driving side bearing portion and the driven side bearing portion are provided, and a connecting portion which connects the bearing support portions. The bearing support portions and the connecting portion are integrated together as a one-piece member. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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