Cutter assembly with rotating knife blade

Details Cutter assembly with rotating knife blade Cutter assembly with rotating knife blade

1985-07-22

1987-09-08

Meister, James M.

Cutting

With means to stretch work temporarily

83485, 83488, 83508, B26D 714

Patent

active

046916059

ABSTRACT:
A cutter assembly (82) for cutting web material such as paper (80) includes a circular cutter (100) having an endless peripheral blade (102) mounted on a frame (92) on which also is mounted a tension roller in the form of a pulley (94). A smaller pulley (98) is mounted on and co-axial with the circular cutter 100, and a belt (96) is trained around the pulleys (94 and 98). The portion of the belt (96) on the tension roller (94) provides an engagement surface adapted to engage the paper (80) so that movement of the cutter assembly (82) causes rotation of the tension roller (94) and thus faster rotation of the circular cutter (100). This results in efficient cutting of the paper (80) and high cut quality because the tension roller (94) prevents bunching of the paper (80) in the vicinity of the endless blade (102).

REFERENCES:
patent: 1156224 (1915-10-01), Harwood
patent: 3693489 (1972-09-01), Pearl
patent: 3766816 (1973-10-01), Loveless
patent: 3859882 (1975-01-01), Demuth
patent: 4152962 (1979-05-01), Hendrischk
patent: 4448101 (1984-05-01), Templeton

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