Drive rope and drive pulley
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United States of America Patent
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Jul 5, 2011
Grant Date -
May 29, 2008
app pub date -
Nov 29, 2006
filing date -
Nov 29, 2006
priority date (Note) -
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status (Latency Note)
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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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