| 发明名称 |
BOOM SHEAVE WITH TUBULAR REINFORCING MEMBERS |
| 摘要 |
A sheave includes a hub defining an axis, a rim defining at least one circumferentially extending groove, and two plates oriented substantially perpendicular to the axis. Each plate is connected to the hub and to the rim, and a plurality of reinforcing tubular members extend between the plates.
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| 申请公布号 |
US2012195728(A1) |
申请公布日期 |
2012.08.02 |
| 申请号 |
US201213363015 |
申请日期 |
2012.01.31 |
| 申请人 |
STALKER GLENN H.;POWERS WILLIAM R. |
发明人 |
STALKER GLENN H.;POWERS WILLIAM R. |
| 分类号 |
E02F3/36;E02F3/30;F16H55/36 |
主分类号 |
E02F3/36 |
| 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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