Orientation-controlling apparatus for a suspender of a crane

Details Orientation-controlling apparatus for a suspender of a crane Orientation-controlling apparatus for a suspender of a crane

1983-11-01

1986-01-07

Blix, Trygve M.

Handling: hand and hoist-line implements

Spacing hoist bar or frame

With orienting means

212146, 212147, B66C 1306

Patent

active

045630305

ABSTRACT:
An apparatus for controlling an orientation of a suspender hung from an overhead crane by four ropes, with the apparatus being adapted to control two orientations such as lateral and longitudinal inclinations of the suspender. A frame is adapted to be moved by a first screw mechanism, with second and third screw mechanisms being mounted on the frame. The second and third screw mechanisms have second and third threaded shafts which are movable relative to the frame in a direction parallel to a direction of movement of the frame and in opposite directions to each other. The four ropes for suspending the suspender are attached to appropriate ends of the second and third threaded shafts so that the apparatus can simultaneously control two orientations of the suspender. After a carrying out of an orientation control, the reactions applied to the apparatus can be borne by the self-locking action of the screw threads of the screw mechanisms.

REFERENCES:
patent: 3868139 (1975-02-01), Drelicharz
patent: 4168857 (1979-09-01), Klous
patent: 4350254 (1982-09-01), Noly

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