Machine and method for cutting oval shapes

Details Machine and method for cutting oval shapes Machine and method for cutting oval shapes

1989-07-14

1991-05-14

Schmidt, Frederick R.

Cutting

With work immobilizer

Means to clamp work

8352215, 83564, 83591, 82 46, B26D 508

Patent

active

050145843

ABSTRACT:
A machine is provided for cutting oval shapes in planar workpieces, wherein the blade is dynamically oriented so as to maintain its cutting axis constantly tangent to the line of cutting. It utilizes a pivotably mounted cutter head, to which is attached an orienting arm that is arcuately reciprocated by an element moving unidirectionally in a circle, the direction of circular movement being opposite to that in which the cutting head proceeds.

REFERENCES:
patent: 3845676 (1974-11-01), Pierce
patent: 4044464 (1977-08-01), Schiess et al.
patent: 4112793 (1978-09-01), Pierce
patent: 4233736 (1980-11-01), Duggens et al.
patent: 4244106 (1981-01-01), Pierce
patent: 4351111 (1982-09-01), Carr
patent: 4790222 (1988-12-01), Morgan
patent: 4878409 (1989-11-01), Carithers

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