FRICTION APPARATUS |
|||||||
| 申请号 | US15580354 | 申请日 | 2016-05-19 | 公开(公告)号 | US20180148897A1 | 公开(公告)日 | 2018-05-31 |
| 申请人 | KOREA RAILROAD RESEARCH INSTITUTE; | 发明人 | YONG HYEON CHO; JIN YU CHOI; YUN SUK KANG; JOO UK KIM; | ||||
| 摘要 | A friction apparatus is provided. The friction apparatus includes: a first member having a first surface; and a second member having a second surface that contacts the first surface, and moving while in contact with the first member, wherein at least one of the first surface and the second surface is hardened. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈