| 发明名称 | Rotation mechanism | ||
| 摘要 | A rotation mechanism includes a mandrel, a rotation axle, a needle roller bearing and an angular bearing. The mandrel includes a shaft portion, a first annular contact portion and a second annular contact portion. The shaft portion has an outer surface, and the first annular contact portion and the second annular contact portion are located on the outer surface and respectively surround the axis of the mandrel. The rotation axle includes an annular portion, a third annular contact portion and a fourth annular contact portion. The annular portion has a shaft hole and an inner surface forming the shaft hole. The third annular contact portion and the fourth annular contact portion are located on the inner surface, and the mandrel passes through the shaft hole. The needle roller bearing is in contact with the first annular contact portion and the third annular contact portion, and is located between them. | ||
| 申请公布号 | US9102474(B2) | 申请公布日期 | 2015.08.11 |
| 申请号 | US201414176998 | 申请日期 | 2014.02.10 |
| 申请人 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE | 发明人 | Lin Wei-Chu;Chou Mei-Chin;Huang Yu-Shiang;Su Hsin-Chuan;Hsiao Hsi-Hung |
| 分类号 | B23Q7/14;B65G29/00;F16C19/44;F16C19/16;B23Q7/02 | 主分类号 | B23Q7/14 |
| 代理机构 | Locke Lord LLP | 代理人 | Locke Lord LLP ;Xia, Esq. Tim Tingkang |
| 主权项 | 1. A rotation mechanism comprising: a mandrel comprising a shaft portion, a first annular contact portion and a second annular contact portion, wherein the shaft portion has a outer surface, and the first annular contact portion and the second annular contact portion are located on the outer surface and respectively surround the axis of the mandrel; a rotation axle comprising an annular portion, a third annular contact portion and a fourth annular contact portion, wherein the annular portion has a shaft hole and an inner surface forming the shaft hole, the third annular contact portion and the fourth annular contact portion are located on the inner surface, and the mandrel passes through the shaft hole; a needle roller bearing in contact with the first annular contact portion and the third annular contact portion, and being located between them; and an angular bearing in contact with the second annular contact portion and the fourth annular contact portion, and located between the outer surface and the inner surface. | ||
| 地址 | Hsinchu TW | ||