Die-head of cutting machines

Details Die-head of cutting machines Die-head of cutting machines

1979-05-07

1981-09-08

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, 10120, 408149, 408177, B23B 512

Patent

active

042881811

ABSTRACT:
A die-head of a cutting machine having a pair of relatively rotatable annular plates which retractably hold therebetween cutting tools extending in radial directions, one of the plates being provided with a tool retracting lever which is pivotably mounted thereto and which is engaged by a slide which is slidably arranged on one plate and which tends to rotate together with the other plate by a spring force, the slide being slide to cause relative rotation between the two plates when the lever is pivotally moved by a workpiece which extends axially in the plates.

REFERENCES:
patent: 731121 (1903-06-01), Nutthall
patent: 977541 (1910-12-01), Oster
patent: 1176812 (1916-03-01), Bradley
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), Newall et al.

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