Chopper and corner rounder for a web material

Details Chopper and corner rounder for a web material Chopper and corner rounder for a web material

1995-04-03

1996-10-08

Peterson, Kenneth E.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83300, 83303, 83324, 83328, B26D 162

Patent

active

055620094

ABSTRACT:
A chopper and corner rounder (10) for a web material includes tool pairs (14, 16; 18, 20) driven by two double eccentrics (22, 24), the first double eccentric driving the upper knife by a first eccentric and the upper punch by a second eccentric, the first and second eccentrics being 180.degree. out of phase; the second double eccentric driving the lower knife by a third eccentric and the lower die by a fourth eccentric, the third and fourth eccentrics being 180.degree. out of phase. The first double eccentric is driven at the same speed but in the opposite direction as the second double eccentric.

REFERENCES:
patent: 2327646 (1943-08-01), Hutchinson
patent: 3264920 (1966-08-01), Hallden
patent: 3411390 (1968-11-01), Maynard et al.
patent: 3433107 (1969-03-01), Horton et al.
patent: 3653304 (1972-04-01), Lenoir
patent: 3747452 (1973-07-01), Gilev et al.
patent: 3782231 (1974-01-01), Jannetty
patent: 3785194 (1974-01-01), Bradlee
patent: 3886830 (1975-06-01), Holthoff et al.
patent: 4299151 (1981-11-01), Burton
patent: 4537589 (1985-08-01), Schmidt
patent: 5179885 (1993-01-01), McLeod
patent: 5182935 (1993-02-01), Schockman
Ingenious Mechanisms for Designers and Inventors, vol. 1, 1930, "Cams and Their Applications", pp. 11-12.

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