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US Patent 10557540 Fleet angle tolerant sheave

Patent 10557540 was granted and assigned to National Oilwell Varco on February, 2020 by the United States Patent and Trademark Office.

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Patent abstract

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.

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Patent Inventor Names
Howard Ervin0
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Patent Citations Received
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US Patent 11473989 Multi-dimensional sheave for use in tension measurement systems
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Infobox
Is a
Patent
Patent
0
Patent Applicant
National Oilwell Varco
National Oilwell Varco
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Current Assignee
National Oilwell Varco
National Oilwell Varco
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
105575400
Date of Patent
February 11, 2020
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Patent Application Number
142519380
Date Filed
April 14, 2014
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Patent Citations Received
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US Patent 11279601 Hoisting and tensioning bearing saver
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Patent Primary Examiner
‌
Sang K Kim
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edited on 26 Sep, 2022
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Patent citations received
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US Patent 11279601 Hoisting and tensioning bearing saver
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 US Patent 10557540 Fleet angle tolerant sheave

Infobox
Is a
Patent
Patent
Patent applicant
National Oilwell Varco
National Oilwell Varco
Current assignee
National Oilwell Varco
National Oilwell Varco
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
10557540
Date of patent
February 11, 2020
Patent application number
14251938
Date Filed
April 14, 2014
Patent primary examiner
‌
Sang K Kim

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