Pulling tower structure

Details Pulling tower structure Pulling tower structure

1981-07-13

1983-06-07

Larson, Lowell A.

Metal deforming

With tool carrier

72705, 269166, 269171, 254112, B21D 112

Patent

active

043865178

ABSTRACT:
A pulling tower structure especially adapted for use in automotive frame-straightening equipment is improved by structure providing easy and simple vertical adjustment of a sheave over which a chain or the like is trained for attachment to a vehicle to be repaired so as to assure a straightline pulley. The tower includes an upright support of channel section having within its side walls a pair of members having semicircular notches for selectively receiving a sheave-supporting shaft. Handle structure is provided for enabling manual vertical adjustment of the sheave among selected pairs of transversely alined notches.

REFERENCES:
patent: 3566666 (1968-08-01), Berendt et al.
patent: 3589680 (1971-06-01), Kuhn
patent: 3992919 (1976-11-01), Jarman
patent: 4158303 (1979-06-01), Horn
patent: 4189934 (1980-02-01), Kuhn
Kansas Jack, Inc. Master Catalog, Jan. 1977, pp. 13, 17 and 26.

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