Compensating crane and method

Details Compensating crane and method Compensating crane and method

1991-08-20

1994-05-10

Huppert, Michael S.

Traversing hoists

Having horizontally swinging boom or bridge

Having specific bearing structure

384312, 384591, B66C 2384

Patent

active

053100670

ABSTRACT:
A crane design which automatically self-compensates for misalignment between the longitudinal axis of the central support for such crane and the actual axis of rotation of the upperworks thereof when under load. Means for accomplishing both translational and rotational correction as needed are disclosed. Also, method for accomplishing the same.

REFERENCES:
patent: 1279644 (1918-09-01), Brown
patent: 1721777 (1929-07-01), Gluckstein
patent: 2460810 (1949-02-01), Davidson
patent: 2512477 (1950-06-01), Bowes
patent: 4354606 (1982-10-01), Morrow et al.
patent: 4524875 (1985-06-01), Jamieson
patent: 4688688 (1987-08-01), Volakakis et al.

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