Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1974-08-12
1979-05-01
Lanham, C. W.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 114
Patent
active
041517377
ABSTRACT:
Apparatus for repairing and straightening is disclosed in its preferred form for use in repairing and straightening the body and frame of a vehicle. The preferred apparatus includes a tread member including left and right track members for supporting a vehicle thereon, a tram member movable along and between the right and left track members and including two elongatable pull towers pivotally mounted thereto, and an additional elongatable pull tower mounted adjacent an end of the apparatus. A flexible connector, preferably a chain, is arranged for connection between the pull towers and the vehicle. The track members further include regularly shaped apertures which vertically pass therethrough. Locking pins are also provided which extend through an aperture of the track members and abut with a portion of the pull towers to lock the pull towers at any desired angle to the tread member. Bolsters are further provided which extend through the regular apertures of the track member and abut with a portion of the vehicle frame for anchoring the vehicle to the apparatus to prevent the vehicle from moving when it is subjected to the counter forces during the repair and straightening operation.
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Gurley D. M.
Lanham C. W.
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