Method for web cutting in rolled sheet material dispensers

Details Method for web cutting in rolled sheet material dispensers Method for web cutting in rolled sheet material dispensers

1981-05-26

1983-09-20

Schran, Donald R.

Cutting

Processes

Plural cutting steps

83322, 83337, 83345, 242 553, B26D 156

Patent

active

044048807

ABSTRACT:
A mechanism for cutting a web of flexible sheet material which is adapted to be used in a dispenser having a feed roller and a pinch roller between which rollers the web passes. A knife is pivotally mounted in the feed roller to swing about an axis laterally displaced from the plane of a radially outward portion of the knife defining a cutting edge which edge is projected outwardly beyond the periphery of the feed roller to cut the web as it passes over the feed roller and cam followers ar carried by the ends of the knife extending beyond the ends of the feed roller with the followers displaced from the pivot mounting axis of the knife. Stationary cams are mounted adjacent the ends of the feed roller with which the cam followers on the knife engage to positively project the knife cutting edge beyond the feed roller periphery and retract the cutting edge upon rotation of the feed roller.

REFERENCES:
patent: 2512900 (1950-06-01), Kwitek
patent: 2769600 (1956-11-01), Kwitek et al.
patent: 4122723 (1978-10-01), Granger

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