Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1980-03-19
1981-08-04
Watson, Robert C.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21J 1308
Patent
active
042815320
ABSTRACT:
A portable apparatus for straightening automobile bodies comprising two longitudinal main beams, each telescoping in length, connected to each other by two telescoping transverse beams; two end bars slideably and telescoping attaching to the end of the main beams; a plurality of cross beams which removeably but rigidly attach to the main beams at a multitude of points; each main beam having thereon a plurality of tie downs; each cross beam being equiped with a plurality of load pads operated by hydraulic jacks; and the end bars also operated by hydraulic pads; the entire apparatus being assembled by pins for easy quick assembly and disassembly.
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patent: 3673842 (1972-07-01), Sanchez
patent: 3754427 (1973-08-01), Hunakuff et al.
patent: 3777541 (1973-12-01), Whitney
patent: 4023394 (1977-05-01), Borup
Keller Walter R.
Portaframe, Inc.
Watson Robert C.
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