Metal deforming – With means to drive tool – With means to permit tool positioning
Patent
1990-11-28
1992-05-12
Larson, Lowell A.
Metal deforming
With means to drive tool
With means to permit tool positioning
72705, B21D 112
Patent
active
051116804
ABSTRACT:
A tower assembly for applying a force to a damaged part of a vehicle mounted on a work rack having upper and lower plates with inner and outer flanges, the assembly including a carriage mounted on the inner and outer flanges of the lower plate and a beam extending radially outward from the carriage, a tower mounted on the outer end of the beam with a vertically adjustable bracket mounted on one side of the tower and a guide member pivotally mounted on the bracket, a rail assembly mounted in the bottom of the tower for guiding a chain through the tower, a chain dog assembly mounted for reciprocal motion on the opposite side of the tower, a chain aligned with the chain dog assembly, rail assembly in bracket and being connected to the damaged vehicle and a force applying hydraulic piston and cylinder assembly mounted in the tower for moving the dog assembly to apply a force to the damaged vehicle.
REFERENCES:
patent: 4574614 (1986-03-01), Field
patent: 4643015 (1987-02-01), Larson et al.
patent: 4794783 (1989-01-01), Eck
Ballard James G.
Wisner Craig A.
Hein-Werner Corporation
Larson Lowell A.
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