| 摘要 |
The apparatus comprises a horizontally-extending base (2) mounted on wheels (3) and provided 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 the accidented 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.
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