Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1993-01-26
1993-11-02
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 112
Patent
active
052575268
ABSTRACT:
Apparatus is disclosed for straightening the frame of a damaged vehicle and includes a bed on which the damaged vehicle is located during the frame straightening operation. A plurality of towers are mounted on the bed and are adjustably movable in a horizontal direction relative thereto. Some of the primary towers include a pushing and holding mechanism, and a pulling mechanism; while other towers include only a pushing and holding mechanism. The pushing and holding mechanism of a tower is operable to selectively push or hold a designated location of the damaged vehicle frame, and is simultaneously selectively operable with a pushing and holding mechanism and/or the pulling mechanism of towers as applied to a separate designated location of the vehicle frame to effectively straighten the frame of the vehicle.
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