Sheet metal drawing equipment

Details Sheet metal drawing equipment Sheet metal drawing equipment

1992-11-23

1994-08-02

Larson, Lowell A.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72705, B21D 112

Patent

active

053334868

ABSTRACT:
A sheet metal drawing equipment capable of rapidly and positively carrying out sheet metal drawing without skill and effectively smoothing a surface of a sheet metal material. The equipment includes a first operation mechanism provided with at a distal end thereof with a bit weldable to a surface of a sheet metal material to be drawn, a second operation mechanism manually operated to pull up the first operation mechanism, and a leg structure for supporting the second operation mechanism. The second operation mechanism includes a support section for rotatably supporting the first operation mechanism.

REFERENCES:
patent: 3801772 (1974-04-01), Curcio et al.
patent: 4037448 (1977-07-01), Di Maio
patent: 4050271 (1977-09-01), Jones
patent: 4089201 (1978-05-01), Raptis
patent: 4116035 (1978-09-01), Malarsky
patent: 4376385 (1983-03-01), Davis
patent: 4914942 (1990-04-01), Ishihara
patent: 4930335 (1990-06-01), Ishihara

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