System for lifting and moving an object

Traversing hoists – Having horizontally swinging boom or bridge – Having fluid ram directly actuating load cable or sheave...

Reexamination Certificate

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Details

C212S197000, C212S225000

Reexamination Certificate

active

06845872

ABSTRACT:
A system for lifting and moving an object includes a vertical post (2), having a transversal lifting arm (38) rotatably connected thereto for rotation about a vertical axis thereof. The vertical post includes a weight (5) acting as a piston connected to a carriage (50) slidably mounted on the lifting arm, such that down and up displacements of the weight by gravity or pressurized fluid respectively lower and raise the object accordingly.

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