Metal deforming – With means to drive tool – With means to permit tool positioning
Patent
1989-11-27
1991-05-21
Larson, Lowell A.
Metal deforming
With means to drive tool
With means to permit tool positioning
72705, B21D 0112
Patent
active
050164643
ABSTRACT:
The apparatus comprises a horizontally-extending base (2) mounted on wheels (3) and providied at one end (4) with anchoring means (5) locking it to a repair bench (6) and at the opposite end (9) with a pair of double-acting hydraulic jacks (11, 12) hinged thereto and joined together at a junction point (P) which is raised relative to the base (2). Connected to the junction point (P) is a third double-acting hydraulic jack (16, 33) which is intended to carry out a pulling or thrust action in order to straighten the deformed part (21) of a damaged vehicle body. The junction point (P) defined by the intersection of the pair of jacks (11, 12) hinged to the second base end (9), can be shifted in space without discontinuity and can therefore take any appropriate position for a correct and quick straightening of the deformed body.
REFERENCES:
patent: 3492855 (1970-02-01), Wylie
patent: 3667275 (1972-06-01), Hunnicutt
patent: 3691817 (1972-09-01), Friend et al.
patent: 4221122 (1980-09-01), Couturier
Garda Impranti
Larson Lowell A.
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