Rotary cutting knife mounting

Details Rotary cutting knife mounting Rotary cutting knife mounting

1978-12-08

1980-12-23

Whitehead, Harold D.

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83348, 83674, 83677, 83700, 83346, B23D 2500

Patent

active

042403138

ABSTRACT:
The knives of a rotary cutter assembly are mounted on a centrally disposed pivot and elastic means are used to apply bias force to the knife ends to normally maintain the cutting edges of the knives substantially parallel with the axis about which the rotary cutter assembly rotates, the mounting being such to allow the knives to pivot when contacting the surface of a rotary drum against which they operate to assure that the cutting edges are parallel to the drum surface during the actual cutting through of a material web passing in a winding course on the drum. Additionally, means for adjusting the radial positioning of the pivots relatively of the said cutter assembly axis of rotation are included and means for locking the pivots in a particular position are also included.

REFERENCES:
patent: 272354 (1883-02-01), Titus
patent: 1006783 (1911-10-01), Paquin
patent: 1825069 (1931-09-01), Kavle
patent: 2011611 (1935-08-01), Blum
patent: 2939356 (1960-06-01), Tracy
patent: 3340757 (1967-09-01), Rudszinat

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