Spreader unit for multi-legged stands
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United States of America Patent
Stats
-
Oct 20, 1998
Grant Date -
N/A
app pub date -
Mar 7, 1996
filing date -
Mar 10, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spreader unit for controlling a multi-legged stand is presented comprising a hub having a central axis and a plurality of arms hinged to the hub to swing in radial planes with respect to the hub axis. A control shaft is mounted in the hub for rotation about the axis with a reversible gear drive between the shaft and arms so that rotation of the shaft swings the arms with respect to the hub in unison and vice versa. A control for locking the shaft against rotation with respect to the hub is provided to hold the arms in required spread positions with respect to the hub.
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Family
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