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Stephen J Kochan: Drive rope and drive pulley. J R Clancy, George R McGuire, David B Woycechowsky, Bond Schoeneck & King, July 5, 2011: US07971856 (7 worldwide citation)

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 dr ...


2
Stephen J Kochan: Drive rope and drive pulley. Bond Schoeneck & King Pllc, May 29, 2008: US20080121854-A1

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 dr ...