Screw body jack and a body jack assembly

Details Screw body jack and a body jack assembly Screw body jack and a body jack assembly

1983-02-23

1985-10-29

Larson, Lowell A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

By individually non-deforming clamps

72305, 72705, B21D 112

Patent

active

045494231

ABSTRACT:
Disclosed are a screw body jack which can correct the deformation of a metallic structure with the force derived from screw mechanism and a body jack assembly which makes use of a plurality of body jack elements extending radially from a central bracket piece over an angle of either in excess of 180 degrees or no more than 180 degrees. In the latter case, at least one of the body jack elements is utilized in tension while the others are in compression. The screw body jack may be advantageously utilized in the body jack assembly because of its functionality and simplicity.

REFERENCES:
patent: 1397465 (1921-11-01), Steffey
patent: 2340587 (1944-02-01), Graham
patent: 2371659 (1945-03-01), Stultz
patent: 2463966 (1949-03-01), Hauschild
patent: 2627295 (1953-02-01), Jackson
patent: 2725917 (1955-12-01), Kauppi
patent: 2736359 (1956-02-01), Bowman
patent: 2956458 (1960-10-01), Hougen
patent: 3015353 (1962-01-01), Brown
patent: 3760625 (1973-09-01), Archambault

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