Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1978-11-16
1981-04-21
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 114
Patent
active
042625190
ABSTRACT:
A vehicle frame alignment apparatus comprising a pair of substantially parallel tracks upon which a vehicle may rest, at least one transversely extending beam suspended beneath the tracks, the beam being longer than the spacing between the tracks and having an upright pillar at each end thereof, the pillars being respectively on opposite sides of the pair of tracks and provided with anchorage means for attachment of straining members for applying a plurality of variously directed loads to the vehicle, the beam being suspended beneath the tracks by a pair of suspension units, each suspension unit comprising a top and bottom carriage mutually interconnected by a substantially vertical shaft so as to be relatively rotatable about the axis of the shaft, each of the tracks having fixedly associated and extending substantially parallel therewith a pair of longitudinally extending track rails spaced one from the other along which top carriage rides, the transverse beam having fixedly associated and extending substantially parallel therewith a pair of longitudinally extending beam rails spaced one from the other and bearing upon the bottom carriage over which the beam rails ride, the arrangement thereby permitting the beam to move transversely, longitudinally and rotationally with respect to the tracks, and means for locking the beam with respect to the tracks.
REFERENCES:
patent: 2442425 (1948-06-01), Merrill et al.
patent: 2563527 (1951-08-01), Gingrich et al.
patent: 2717020 (1955-09-01), Dobias
patent: 3566666 (1971-03-01), Berendt et al.
patent: 3626747 (1971-12-01), Rouis
patent: 3776022 (1973-12-01), Lionello
patent: 3835692 (1974-09-01), Hoffman
patent: 3835693 (1974-09-01), Majersky
patent: 4151737 (1979-05-01), Specktor
Applied Power Inc.
Larson Lowell A.
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