Form burster

Details Form burster Form burster

B - Operations, Transporting

65

H

239/20

B65H 35/10 (2006.01) B26F 3/00 (2006.01)

Patent

CA 1240655

ABSTRACT The invention relates to apparatus adapted to burst form sets from continuous business form assemblies along burst lines and which is adapted to be adjustable to varying form set depths. The apparatus comprises: a frame, an intermittently operatively cooperating pair of entry rollers on the frame, a first of the entry rollers being rotatable about a first axis of rotation and revolvable about a first axis of revolution, and an intermittently opera- tively cooperating pair of exit rollers on the frame, a first of the exit rollers being rotatable about a second axis of rotation and revolvable about a second axis of revolution. The revolutions of the entry and exit rollers are timed relative to each other, and adjustably timed relative to the speed of the continuous business form assemblies such that both pairs of rollers operatively cooperate substantially simultaneously with each other, whereby both pairs of rollers operatively cooperate while burst lines of the assemblies are between the entry rollers and the exit rollers, and such that the periods of intermittency of the roller cooperation coordinates with the depths of the form sets of the assemblies.

462647

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