Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1987-08-10
1989-01-03
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
B21D 112
Patent
active
047947829
ABSTRACT:
An apparatus including a vehicle support, for receivably supporting the wheels of a vehicle which has pulling towers attached to the vehicle support for pulling on a part of a vehicle disposed on the vehicle support. An arm is pivotally attached to the tower at one end thereof and has an engagement attachment disposed on the other end of the arm for abutment with the other side of the vehicle. An intermediate portion of the arm, between the ends thereof, is operably attached to the tower for permitting the tower apparatus to selectively pivot the arm up and down and thereby cause the engagement attachment and the vehicle in engagement therewith to move up and down accordingly.
REFERENCES:
patent: 4313335 (1982-02-01), Eck
patent: 4353241 (1982-10-01), Field
patent: 4379545 (1983-04-01), Gray et al.
patent: 4546638 (1985-10-01), Field
patent: 4574614 (1986-03-01), Field
"Practi-Pull Mark II" by Guy Chart, Batavia, N.Y., 14020 Apr. 1978, copy in 72/705.
Advertisement, Automotive Body Repair News, Jun. 1987, p. 29.
Kansas Jack Magna-Rack Operations Manual, Kansas Jack, 1101 West First, McPherson, Kansas, pp. 1, 18-19.
Kansas Jack World Rack Operations Manual, Kansas Jack, 1101 West First, McPherson, Kansas, pp. 1, 26.
Brochure-Jack World Rack 2000, "Introducing the Ultimate Rack", Kansas Jack, 1101 First, McPherson, Kansas.
Field Carl R.
Saichaie Pichai
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