Sheet feeding or delivering – Feeding – Pack holders
Patent
1991-05-08
1992-11-10
Olszewski, Robert P.
Sheet feeding or delivering
Feeding
Pack holders
271 311, 198462, B65H 122
Patent
active
051617927
ABSTRACT:
A machine for converting a group of marginally registered signatures into a shingled stream which is fed to the hopper of a binding machine includes a main frame and several conveyors located in succession along the frame. The first is a feed conveyor having driven side belts which are arranged to allow one's hand to move along the conveyor and install stacks of signatures with the signatures being in an edge standing condition on the feed conveyor. Next comes a spreading conveyor which separates the signatures as they move in the edge standing condition between side belts which impart a slight bow to the signatures. Constricting gates exist between the feed and spreading conveyors and they sense the force with which the signatures are introduced into the feed conveyor. Then comes a lifting conveyor which lifts the signatures from the spreading conveyor in a shingled condition. Sensors exist at the end of the spreading conveyor to control the relative speeds of the side belts for the spreading conveyor so that the signatures approach the lifting conveyor evenly and will not skew on the lifting conveyor. Backing belts hold the shingled signatures against the belts of the lifting conveyor as the signatures rise, and the belts are maintained taut and against the signatures by the weight of an articulated frame over which they pass. The lifting conveyor directs the shingled signatures onto a delivery conveyor, which at its very end imparts a curvature to the signatures so that they do not fold under as they are projected beyond the end of the delivery conveyor.
REFERENCES:
patent: 4531343 (1985-07-01), Wood
patent: 4641489 (1987-02-01), Wood
patent: 4771896 (1988-09-01), Newsome
patent: 4809964 (1989-03-01), Wood
Noland Kenneth
Olszewski Robert P.
St. Denis Manufacturing Co.
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