Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1976-10-26

1978-01-24

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

271108, B65H 310

Patent

active

040700151

ABSTRACT:
Sheet feeding apparatus including a direct acting vacuum control value for an oscillating vacuum feeder. The control valve includes a valve shoe normally biased to a position to cover a vent port in the housing of the oscillating vacuum feeder. An appropriate linkage, interconnected to the shoe, is actuated to uncover the vent port for at least a portion of the oscillation cycle of the oscillating vacuum feeder, whereby the vacuum within the oscillating vacuum feeder is vented to release pneumatic forces on the sheets during at least the return portion of the oscillation cycle.

REFERENCES:
patent: 1888194 (1932-11-01), Broadmeyer
patent: 2849232 (1958-08-01), Halahan et al.
patent: 3218061 (1965-11-01), Rabinow
patent: 3287011 (1966-11-01), Currie
patent: 3674255 (1972-07-01), Arnell
patent: 3904190 (1975-09-01), Kuehn

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