Apparatus for applying pulling force to vehicle body

Details Apparatus for applying pulling force to vehicle body Apparatus for applying pulling force to vehicle body

1982-03-29

1984-06-26

Larson, Lowell A.

Metal deforming

With means to drive tool

With means to permit tool positioning

72705, B21D 112

Patent

active

044558597

ABSTRACT:
An apparatus for applying separate pulling forces to a structure such as a damaged vehicle body includes a post member formed of a back wall and a pair of side walls. The back wall is fastened to the ground by a supporting chain. A vehicle body is pulled by plural towing chains extending around respective first and second sprocket wheels and fixed to a swingable holding member upon extension of a hydraulic cylinder, each of which is mounted on the post member. The side walls of the post member have a plurality of apertures for receiving shafts of the first and second sprocket wheels, of ratchet wheels, of pawls and of the swingable holding member. The pawls are engaged with teeth of the ratchet wheels which are fixed to the first sprocket wheels for preventing return movement of the towing chains.

REFERENCES:
patent: 3612482 (1971-10-01), Eck
patent: 3835692 (1974-09-01), Hoffman
patent: 3891187 (1975-06-01), Bearden, Jr.
patent: 3955397 (1976-05-01), Meis
patent: 4082250 (1978-04-01), Allmon et al.
patent: 4189934 (1980-02-01), Kuhn

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