Die-head of cutting machine

Details Die-head of cutting machine Die-head of cutting machine

1980-02-19

1982-05-11

Combs, Ervin M.

Cutting by use of rotating axially moving tool

With stopping upon completion of prescribed operation

Responsive to condition of work or product

10 96R, 10 96T, 10120, 408149, 408177, B23G 512

Patent

active

043290930

ABSTRACT:
A die-head of a cutting machine comprising a pair of relatively rotatable annular plates which movably hold cutting tools therebetween, a tool retracting lever with a stop, pivotally connected to one of the annular plates, a slide integrally connected to the other annular plate and peripherally pressed by a spring, and a pivotable cam plate with a projection bearing against the stop, the slide having a groove into which is engaged the projection of the cam plate, whereby the displacement of the lever, resulting from the movement of a workpiece causes the cam plate to rotate, thus resulting in a rotation of the slide to automatically retract the cutting tools.

REFERENCES:
patent: 731121 (1903-06-01), Nuttall
patent: 977541 (1910-12-01), Oster
patent: 1176812 (1916-03-01), Bradley
patent: 1527185 (1925-02-01), Hall
patent: 1701846 (1929-02-01), Harrison
patent: 2017764 (1935-10-01), Mathias
patent: 2549543 (1951-04-01), Strickland
patent: 3142076 (1964-07-01), Brandt
patent: 3165768 (1965-01-01), Herbkersman
patent: 3648313 (1972-03-01), Fohl
patent: 3820180 (1974-06-01), Birkestrand et al.
patent: 3977032 (1976-08-01), Newell et al.

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