Power tool

Details Power tool Power tool

1979-02-21

1981-07-21

Larson, Lowell A.

Metal deforming

Tool and/or tool holder

Having unitary tool-face

72481, 72705, 254 93R, B21D 112, B21D 3704

Patent

active

042791413

ABSTRACT:
Each jaw of a pair of jaws of an expandable jaw power tool are individually modified so as to accept a shaft supported in one jaw while passing through the other jaw of the same pair. The shaft includes an adjustable power distributing member which makes the depth of the jaws adjustable and makes greater use of the power stroke of the jaws, distributes the power or pressure output of the jaws over a wider area and makes an improved power tool, adjustable at the point of application of power stroke.

REFERENCES:
patent: 884422 (1908-04-01), Schmitt
patent: 1319007 (1919-10-01), Kind
patent: 2296173 (1942-09-01), Mandl
patent: 2341278 (1944-02-01), Long
patent: 2443931 (1948-06-01), Stultz
patent: 2585158 (1952-02-01), Morgenthaler
patent: 2588509 (1952-03-01), Forster
patent: 2620737 (1952-12-01), Miller
patent: 2643562 (1953-06-01), Geddes
patent: 2690323 (1954-09-01), Evenson
patent: 3635440 (1972-01-01), Gompel

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