Holddown bar for power notcher

Details Holddown bar for power notcher Holddown bar for power notcher

1997-06-26

1999-02-23

Vo, Peter

Cutting

With work immobilizer

Means to clamp work

83459, 83464, 834687, 83917, B26D 702

Patent

active

058732926

ABSTRACT:
An improved elongated holddown bar for use in conjunction with a power corner notcher having a table which defines a horizontal working surface. The notcher includes a clamp means adjustably positionable on, and connectable to, the table atop the work surface which immobilizes the holddown bar in a selected position to establish either of two upright side edges of the holddown bar against which a piece of sheet metal may be positioned. One of these edges includes a recess formed entirely therealong which defines a recessed upright abutting surface and a horizontal holddown surface spaced above the working surface a height substantially equal to the thickness of the sheet metal whereby the notching operation into the edge of the sheet metal cannot substantially buckle or distort the edge of the sheet metal.

REFERENCES:
patent: 3996829 (1976-12-01), Tromponi
patent: 4283978 (1981-08-01), Kasai et al.
patent: 4433600 (1984-02-01), Ikeda
patent: 4771669 (1988-09-01), Bianchi
patent: 5026222 (1991-06-01), Kawano et al.
patent: 5299896 (1994-04-01), Ferri
patent: 5586929 (1996-12-01), Butcher et al.
The Eagle 250 Hydraulic Power Notcher Brochure of Boschert GmbH + Co. KG.

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