Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Clayton A. Crystal0
Date of Patent
April 20, 2021
Patent Application Number
15178221
Date Filed
June 9, 2016
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved drive pin retention system for mining chains is disclosed, including several embodiments. The drive pin retention system further decreases the chance that the chain can break due to sheared dowel pins.
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