Apparatus for spreading steel structures

Details Apparatus for spreading steel structures Apparatus for spreading steel structures

1992-06-03

1994-03-01

Larson, Lowell A.

Metal deforming

By relatively receding work-engaging tool-faces

72705, B21D 112

Patent

active

052897117

ABSTRACT:
A telescoping base support having an elongated tube and an elongated slide coaxially and slideably nested therein is provided to form a secure support for a power ram used to deflect the entrapping structure. Ideally, the power ram is pivotably mounted to a carrige which is slideably disposed about the tube of the base support and longitudinally positionable thereon.

REFERENCES:
patent: 2151063 (1939-03-01), Weaver
patent: 2194991 (1940-03-01), Voges
patent: 2717020 (1955-09-01), Dobias
patent: 3302927 (1967-02-01), Gray
patent: 3416353 (1968-12-01), Hopkins
patent: 4783053 (1988-11-01), Yirmiyahu et al.
patent: 4930335 (1990-06-01), Ishihara

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