| 发明名称 | Pipe puller | ||
| 摘要 | A pipe puller apparatus includes a body and a main actuator mounted on the body. A strut assembly is also mounted on the body and includes a first shoe and a second shoe. The first shoe is adapted to engage a first interior wall of a pipe and the second shoe is adapted to engage a second interior wall of the pipe. The strut assembly includes a strut actuator that is adapted to increase the distance between the first shoe and the second shoe. | ||
| 申请公布号 | US9377131(B2) | 申请公布日期 | 2016.06.28 |
| 申请号 | US201514598347 | 申请日期 | 2015.01.16 |
| 申请人 | Basinger Jon E. | 发明人 | Basinger Jon E. |
| 分类号 | F16L1/09 | 主分类号 | F16L1/09 |
| 代理机构 | MacMillan, Sobanski & Todd, LLC | 代理人 | MacMillan, Sobanski & Todd, LLC |
| 主权项 | 1. A pipe puller apparatus, comprising: a body; a main actuator mounted on the body; and a strut assembly mounted on the body and including a first shoe adapted to engage a first interior wall of a pipe, a second shoe adapted to engage a second interior wall of the pipe, and a strut actuator adapted to increase the distance between the first shoe and the second shoe; wherein the strut assembly includes a strut rotatably mounted to the body for rotation relative to the body and a pivot plate mounted to the body for rotation relative to the body, wherein the strut actuator is mounted on the strut and the strut actuator is adapted to rotate the pivot plate relative to the body, and the strut and the pivot plate rotate relative to the body on substantially the same rotational axis. | ||
| 地址 | Elida OH US | ||