发明名称 |
Bridging device |
摘要 |
A bridging device ( 10 ) for providing a bridging surface ( 12 ) between two points comprising a stack of interjoined beams ( 14 ) housed in a retracted position in a housing ( 11 ) mounted at a first point; and a drive system that drives the beams ( 14 ) to slide one over the other to telescopically extend out of the housing ( 11 ) from the retracted position to an extended position to thereby form a bridging surface ( 12 ) to a second point. |
申请公布号 |
US7451512(B2) |
申请公布日期 |
2008.11.18 |
申请号 |
US20050568868 |
申请日期 |
2005.05.09 |
申请人 |
|
发明人 |
FULLERTON KEVIN JOHN;SCHACHT THEODOR REINHARDT |
分类号 |
E01D15/22;A61G3/06;B60P1/43;B61D23/02;B62D25/22;B63B27/14;B65G69/28;E01D15/10 |
主分类号 |
E01D15/22 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|