Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stephen J. Kochan0
Date of Patent
July 5, 2011
Patent Application Number
11564312
Date Filed
November 29, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention discloses a drive system for theatrical rigging, comprising a drive rope and a drive pulley. The drive rope has a fiber or cable core, surrounded by a plastic jacket. Formed on or in the surface of the drive rope are traction features that engage corresponding grooves in the drive pulley.
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