Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jason J. Trotnow0
Gurbachan S. Bumraw0
Date of Patent
January 21, 2020
Patent Application Number
14634292
Date Filed
February 27, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A hoist drum is disclosed for use with a power shovel. The hoist drum may have a body that is hollow and generally cylindrical, and an anchor connected to an outer annular surface of the body. The hoist drum may also have at least one stiffener located inside the body and extending in an axial direction of the body across the anchor.
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