| 发明名称 |
Snubbing apparatus for grapples and the like |
| 摘要 |
A snubbing device for a suspended grapple or the like operable by pressurized fluid in a cavity between a pin and housing of a universal joint which actuates a ramp to cause a retarding reaction between the pin and housing to prevent free swinging of the grapple.
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| 申请公布号 |
US4573728(A) |
申请公布日期 |
1986.03.04 |
| 申请号 |
US19840632503 |
申请日期 |
1984.07.19 |
| 申请人 |
TIMBERJACK INC. |
发明人 |
JOHNSON, THOMAS E. |
| 分类号 |
B66C3/00;E02F9/00;F16C11/04;F16F7/04;(IPC1-7):B66C1/00 |
主分类号 |
B66C3/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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