Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1990-01-16
1991-07-02
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 112
Patent
active
050276395
ABSTRACT:
An ovate vehicle support rack is provided and equipped with a plurality of carriages guidingly supported from the rack for movement along the outer margin thereof and with the carriages projecting outwardly of the rack outer margin. Each carriage supports an upstanding pull tower therefrom for angularly displacement relative to the associated carriage about an upstanding axis and each pull tower upper end includes pull structure for exerting a pull in a direction extending away from the rack and toward the pull tower with the direction of pull being angularly displaceable with the tower relative to the carriage. A lower portion of each pull tower includes a lift arm extending therefrom to a position disposed over the adjacent marginal portion of the rack and the lift arm is pivoted from the pull tower for angular displacement about a horizontal axis extending transversely of the lift arm with the free end of the lift arm being provided with structure for engagement beneath and lifting a vehicle supported from the rack. In addition, vehicle stands are supported from the rack for independent, adjustable transverse and longitudinal shifting relative thereto and are downwardly foldable toward the rack when not in use.
REFERENCES:
patent: 4313335 (1982-02-01), Eck
patent: 4398410 (1983-08-01), McWhorter et al.
patent: 4574614 (1986-03-01), Field
patent: 4794782 (1989-01-01), Field et al.
patent: 4862727 (1989-09-01), Bergeron
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