Rotary cutter

Details Rotary cutter Rotary cutter

1986-06-16

1987-09-29

Schran, Donald R.

Cutting

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

Orbital motion of cutting blade

83345, 83365, 83371, B26D 162, B23D 2512, B27L 508

Patent

active

046962123

ABSTRACT:
An improved rotary cutter for a web material is proposed. It has a pair of rolls adapted to rotate synchronously in opposite directions and an axially elongated knife secured to each roll to extend axially. A plurality of rolling bodies are arranged around each roll to bear the shock upon cutting. Different means for preventing the knives from hitting the rolling bodies are proposed. This arrangement prevents the rolls from warping due to shock upon cutting and allows the use of rolls having a smaller diameter.

REFERENCES:
patent: 3683734 (1972-08-01), Claussen
patent: 3968713 (1976-07-01), Mosburger
patent: 4112798 (1978-09-01), Yoshizawa et al.
patent: 4397204 (1983-08-01), Colombo
patent: 4542671 (1985-09-01), Kesten
patent: 4548112 (1985-10-01), Thomas

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