Sheet feeding or delivering – Feeding – Pack holders
Patent
1992-07-24
1993-09-14
Schacher, Richard A.
Sheet feeding or delivering
Feeding
Pack holders
271 311, 271161, B65H 102
Patent
active
052441997
ABSTRACT:
A machine, for holding signatures and delivering them to a pocket in an inserter unit that forms part of a binding machine, has three conveyors, namely a feed conveyor, a spreading conveyor, and a pocket conveyor arranged in that order between a loading position and the pocket of the inserter unit. All three of the conveyors have table belts and side belts with the spacing between the side belts being less than the width of the signatures, so that the signatures bow forwardly when standing on edge in the conveyors. The belts of the spreading and pocket conveyors advance the signatures more rapidly then the belts of the feed conveyor, so that the signatures are less consolidated on the spreading and pocket conveyors. The table belts of the pocket conveyor are inclined downwardly away from the table belts of the spreading conveyor, but a supporting surface exists at the center of the pocket conveyor as an extension of the table belts in the spreading conveyor. This surface suports the bowed center portions of the signatures as they emerge from the spreading conveyor, at least until the side edges of those signatures pass free of the side belts for the spreading conveyor, thus enabling the initial signatures to transfer between the two conveyors without toppling forwardly through the pocket conveyor. The drive motors for the two sets of side belts and the set of table belts of the pocket conveyor are controlled independently of each other so that the signatures emerging from the pocket conveyor will assume an orientation most suitable for extraction by an extracting mechanism in the inserter.
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Schacher Richard A,.
St. Denis Manufacturing Co.
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