High-speed cutting apparatus for card sheets

Details High-speed cutting apparatus for card sheets High-speed cutting apparatus for card sheets

1985-05-20

1986-11-25

Yost, Frank T.

Cutting

Processes

Plural cutting steps

83283, 834031, 83408, 83409, 834253, 83436, 83505, B26D 322

Patent

active

046241612

ABSTRACT:
A method and apparatus for high-speed and accurate cutting of cards from sheets, printed with an array of card layouts, moving along a unidirectional path. The apparatus includes rollers for initial accurate sheet feeding, a plurality of pairs of rotation members having common tangent points which serve to simultaneously advance a sheet in indexing motions and slit it along its leading edge, and a transverse cutting bar which cuts rows of cards across the slits. Each pair of rotation members includes a unidirectional driving anvil roller and an idling slitter disk. Continuous driving mechanism operates the apparatus. The apparatus for initial sheet feeding includes rollers feed sheets seriatim from a first leading-edge position to a second leading-edge position, hold them there until engaged by subsequent sheet-handling members, release them upon such engagement, and hold the next sheet in ready position while the released sheet is drawn past.

REFERENCES:
patent: 2751981 (1956-06-01), Hawkins
patent: 3759122 (1973-09-01), Lane et al.
patent: 4132401 (1979-01-01), Gauronski et al.

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