Metal deforming – By use of non-deforming work-gripping clamp and relatively... – With plural spaced clamps
Patent
1990-03-22
1991-07-16
Larson, Lowell A.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
With plural spaced clamps
72705, B21D 112
Patent
active
050314386
ABSTRACT:
The apparatus includes a base frame 10; an assembly of carrier beams 17, 18 pivoted on the base frame 10 for rotation about an upright axis; clamps 19, 23 adjustably mounted on the carrier beams 17, 18 for clamping a vehicle supported on the carrier beams; retaining means 34 for releasably locking the assembly of carrier beams 17, 18 in rotatably adjusted position; a standard 36 on the base 10; and tensioning means 48, 50 mounted for vertical adjustment on the standard 36, for connection by a chain 51 direct or via a beam 52 and a further chain to parts of a vehicle clamped on the rotatable carrier beam assembly 17, 18. The tensioning means 48, 50 comprises a hydraulic cylinder 48 swingable about the standard 36 and an associated yoke 50.
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patent: 3501938 (1970-03-01), Sprague
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patent: 4158303 (1979-06-01), Horn et al.
patent: 4344314 (1982-08-01), Aldrich et al.
patent: 4516423 (1985-05-01), Reich
patent: 4658628 (1987-04-01), Grace
Keefe Peter D.
Larson Lowell A.
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