Counter weight handling system and boom parking device

Details Counter weight handling system and boom parking device Counter weight handling system and boom parking device

1997-04-23

2000-10-17

Brahan, Thomas J.

Traversing hoists

Having means facilitating assembly or disassembly

Of counterweight from hoist

212195, B66C 2374

Patent

active

061317519

ABSTRACT:
A crane having an upper works rotatably mounted on a lower works and a boom pivotally mounted on the upper works, wherein the crane further comprises an apparatus and method for lifting, positioning, and assembling a counter weight to the upper works. The apparatus and method includes pivotally connecting a counter weight pivot frame between the counter weight and the upper works and lifting the counter weight into position with the hydraulic boom hoist cylinder. The crane further comprises a boom parking device.

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