发明名称 |
POWER BOOM AND VACUUM HOSE SUPPORT |
摘要 |
A horizontally rotatable and vertically elevatable power boom is disclosed. The boom includes a link providing increased lifting torque about the boom hinge pin and the boom assembly is designed for minimizing the head room requirements for the vacuum machine without sacrificing payload capacity. The link also permits the boom to be locked down hydraulically for traveling.
|
申请公布号 |
US4068824(A) |
申请公布日期 |
1978.01.17 |
申请号 |
US19760697825 |
申请日期 |
1976.06.21 |
申请人 |
SUPER PRODUCTS CORPORATION |
发明人 |
FLYNN, THOMAS P. |
分类号 |
B66F19/00;E01H1/08;E03F7/10;(IPC1-7):B66F11/00 |
主分类号 |
B66F19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|