| 发明名称 | Telescoping system for crane jib and auxiliary jib | ||
| 摘要 | A crane jib system having a main jib, an auxiliary jib, and a telescoping cylinder. The main jib is comprised of main telescoping portions and the auxiliary jib is attached to the main jib and comprises auxiliary telescoping portions. The telescoping cylinder has a first telescopic part locking unit disposed on a base portion of the telescoping cylinder. The first telescopic locking unit is adapted to selectively engage the main telescoping portions. A second telescopic part locking unit is disposed on the telescoping cylinder above the first telescopic part locking unit. The second telescopic part locking unit is adapted to selectively engage the auxiliary telescoping portions. | ||
| 申请公布号 | US8893905(B2) | 申请公布日期 | 2014.11.25 |
| 申请号 | US201113328813 | 申请日期 | 2011.12.16 |
| 申请人 | Manitowoc Crane Group France SAS | 发明人 | Stührwoldt Dieter |
| 分类号 | B66C23/04;B66C23/70 | 主分类号 | B66C23/04 |
| 代理机构 | Brinks Gilson & Lione | 代理人 | Bacoch John C.;Brinks Gilson & Lione |
| 主权项 | 1. A crane jib system comprising: a main jib comprised of main telescoping portions; an auxiliary jib detachably attached to the main jib, the auxiliary jib comprised of auxiliary telescoping portions; a telescoping cylinder having a first telescopic part locking unit disposed on a base portion of the telescoping cylinder, the first telescopic part locking unit adapted to selectively engage the main telescoping portions, and a second telescopic part locking unit disposed on the telescoping cylinder above the first telescopic part locking unit, the second telescopic part locking unit adapted to selectively engage the auxiliary telescoping portions. | ||
| 地址 | Dardilly Cedex FR | ||