07971856 is referenced by 7 patents and cites 24 patents.

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.

Title
Drive rope and drive pulley
Application Number
11/564312
Publication Number
7971856 (B2)
Application Date
November 29, 2006
Publication Date
July 5, 2011
Inventor
Stephen J Kochan
Skaneateles
NY, US
Agent
Bond Schoeneck & King
David B Woycechowsky
George R McGuire
Assignee
J R Clancy
NY, US
IPC
B66D 1/30
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