Platform rotating mechanism for aerial devices
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United States of America Patent
Stats
-
Apr 23, 1985
Grant Date -
N/A
app pub date -
Jul 1, 1983
filing date -
Jul 1, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanism for rotating an aerial platform carried on the upper end of a truck mounted aerial boom assembly. The upper boom tip carries a rotatable platform pin to which a rigid beam is secured to extend forwardly beyond the boom tip. The platform is a bucket mounted on the forward end of the beam for rotation about a vertical axis displaced well forwardly from the axis of the platform pin. A hydraulic cylinder rotates the bucket about its vertical rotational axis through a 90.degree. arc between a side hung position alongside the upper boom tip and an end hung position beyond the end of the boom tip. A spring loaded locking pin locks the bucket in the end hung position and provides a safety device that prevents the bucket from being rotated against a material handling jib that may be used in the side hung position of the bucket.
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Cited Art Landscape
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