Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Clamp is active metal-deforming element
Patent
1992-02-18
1993-08-10
Larson, Lowell A.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Clamp is active metal-deforming element
72705, B21D 114
Patent
active
052338584
ABSTRACT:
The apparatus disclosed is an attachment to be used in correcting misaligned rails in a unitized automobile chassis which includes a face plate to which is joined a three-piece wedge assembly. The apparatus allows as a result of wedging action, a sizable area of contact to be established between the apparatus and the interior of the misaligned rail so that when pulling force is applied to the apparatus, it is transferred to the rail through the broad area of contact thereby decreasing the chance of further damage to the rail during the repair process. Also disclosed is an embodiment featuring a two-piece wedge assembly. Methods for repairing a damaged rail using the wedge assemblies are also disclosed.
REFERENCES:
patent: 1259640 (1918-03-01), Leake
patent: 1507645 (1924-09-01), Wedgeworth
patent: 2931416 (1960-04-01), Krise
patent: 2939739 (1960-06-01), Grunsky
patent: 3986383 (1976-10-01), Petteys
patent: 4589180 (1986-05-01), Vachon
patent: 4591200 (1986-05-01), Randen
patent: 4649730 (1987-03-01), Butler
patent: 4770025 (1988-09-01), Graf
Pp. 214-230 Automotive Collision Estimating and Repair by Andre G. DeRoche.
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