Traversing hoists – Traveling bridge – Having horizontally swingable track- or load-rotating means...
Patent
1993-12-08
1996-02-06
Focarino, Margaret A.
Traversing hoists
Traveling bridge
Having horizontally swingable track- or load-rotating means...
212319, 212333, B66C 1108
Patent
active
054890330
ABSTRACT:
A stacker crane comprising a trolley moveable above the ground, the trolley including a frame, a turntable supported by the frame for rotation relative to the frame about a generally vertical rotation axis, and a rotate drive which rotates the turntable relative to the frame, a mast assembly depending from and fixedly mounted to the turntable so that the mast assembly rotates with the turntable relative to the trolley frame, a carriage supported by the mast assembly for vertical movement relative thereto and for common rotation therewith relative to the trolley frame, a load engaging mechanism mounted on the carriage, and a hoist assembly including a hoist drum which has an axis of rotation fixed relative to the trolley frame and which is rotatable in one direction and in an opposite direction, and a hoist rope wound around the drum and connected to the carriage such that rotation of the drum in the one direction raises the carriage and rotation of the drum in the opposite direction lowers the carriage.
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Brahan Thomas J.
Focarino Margaret A.
Harnischfeger Corporation
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