Battens system for raising and lowering sceneries on a stage
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United States of America Patent
Stats
-
Apr 22, 1980
Grant Date -
N/A
app pub date -
Mar 9, 1978
filing date -
Mar 9, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A battens system for raising and lowering sceneries or other loads on a stage is disclosed. The system comprises a support, a roller upon which at least one cable supporting a scenery is wound, a bearing assembly secured to the support for rotatably mounting the roller and including inclined bearings for longitudinally moving such roller at each turn by a distance equal to the pitch of the cable wound on or unwound from the roller, and a drive for rotating such roller.
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Family
International Classification(s)
Cited Art Landscape
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