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 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