Movable crane apparatus

Details Movable crane apparatus Movable crane apparatus

1997-04-23

1999-05-11

Brahan, Thomas J.

Traversing hoists

Having means facilitating assembly or disassembly

Of traversing hoist from support

212253, 212309, B66C17/06

Patent

active

059018640

ABSTRACT:
A movable pedestal or kingpost type luffing crane that includes an upperworks, having a crane boom, rotatably mounted on a crane support. The crane support extends below the upperworks. The movable crane is constructed to be selectively maintained in or removed from a receiving socket. Movement prevention means prevents the radial and vertical movement of the crane support in the receiving socket. Anti-rotation means prevents the rotation of the crane support in the receiving socket. A centering means is also provided which facilitates the centering of the crane support means within the receiving socket. Providing a plurality of receiving sockets located at predetermined locations provides a system wherein the movable crane may be moved from socket to socket and from location to location.

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