发明名称 |
FLEET ANGLE TOLERANT SHEAVE |
摘要 |
A sheave may include a body portion with a circular circumference and defining a center plane, a bore extending through the body portion and configured for receiving a shaft and allowing the body portion to rotate in the center plane, and a rope groove arranged on the circular circumference including a radiused bottom with a first end and a second end and a pair of opposing sidewalls each extending directly and tangentially from one of the first and second end and having a curved profile. |
申请公布号 |
US2015291403(A1) |
申请公布日期 |
2015.10.15 |
申请号 |
US201414251938 |
申请日期 |
2014.04.14 |
申请人 |
National Oilwell Varco, L.P. |
发明人 |
Ervin Howard |
分类号 |
B66D1/36 |
主分类号 |
B66D1/36 |
代理机构 |
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代理人 |
|
主权项 |
1. A sheave, comprising:
a body portion with a circular circumference and defining a center plane; a bore extending through the body portion and configured for receiving a shaft and allowing the body portion to rotate in the center plane; and a rope groove arranged on the circular circumference, comprising:
a radiused bottom with a first end and a second end; anda pair of opposing sidewalls each extending directly and tangentially from one of the first and second end and having a curved profile. |
地址 |
Houston TX US |