Self-climbing stage light support
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United States of America Patent
Stats
-
Sep 4, 2007
Grant Date -
May 19, 2005
app pub date -
Nov 18, 2004
filing date -
Nov 18, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-climbing stage lighting system having a self-climbing apparatus and a light bar is disclosed. The self-climbing apparatus is hung from cables that extend approximately vertically from a fixed endpoint. The self-climbing apparatus includes an elongated support member and a linear actuator that drives travels sheaves along a portion support member. Responsive to the travel sheaves being driven in a first direction, the self-climbing apparatus climbs cables. Responsive to the travel sheaves being driven in the direction opposite the first direction, the self-climbing apparatus descends the cables.
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Cited Art Landscape
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