Pile-height bar governor for printing press pile feeders

Details Pile-height bar governor for printing press pile feeders Pile-height bar governor for printing press pile feeders

1987-04-30

1989-03-14

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Pack holders

B65H 118

Patent

active

048119407

ABSTRACT:
An accessory for paper supply feeders on standard printing presses of the class utilizing a paper supply pile height sensor to position a platform having a substantial stack of paper to be fed to a printing press includes an adjustable, variable force biasing means for alleviating the downward force of a reciprocating cyclically applied pile height sensor as the sensor is applied to the top of a stack of paper so that the supply at the top of the stack does not become distorted. This permits the printing press to operate with a greater paper supply capacity while eliminating misfeeds or other interruptions in operation, reduces the set-up time and allows the press to be operated for substantially longer periods of time without requiring an operator's attention.

REFERENCES:
patent: Re32281 (1986-11-01), Tsubo
patent: 2746753 (1956-05-01), Battey
patent: 2866640 (1958-12-01), Rives
patent: 2912243 (1959-11-01), Gulick
patent: 3716226 (1973-02-01), Kistner
patent: 4358101 (1982-11-01), Janecek

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