Multi-purpose feeder for successively delivering single sheet or

Details Multi-purpose feeder for successively delivering single sheet or Multi-purpose feeder for successively delivering single sheet or

1982-09-30

1985-12-10

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

221236, 221241, 221262, 271138, 271140, 271165, 414125, 414129, B65H 360

Patent

active

045574723

ABSTRACT:
Friction members, working together as an integral unit, rise up into engagement with the lowermost article in a stack to slightly raise it along the engaged portions thereof above the rest of the device as a forward stroke is commenced, thereby warping the article along its leading edge as such leading edge is at the same time tucked beneath a forwardly located element positioned to permit passage of only the lowermost article during each feed stroke. This combination of actions has the effect of advancing the articles seriatim from the stack into a pair of highspeed nip rollers which grab only the lowermost article and immediately complete its withdrawal. At the instant the nip rollers begin pulling on the article, the raised friction members respond by dropping down to their initial position below the upper surface of the feed device, which thereupon makes its return stroke in preparation for feeding the next article of the stack. An improved arrangement for draping the articles in order to promote pushing thereof from the rear, as well as an improved pusher arrangement for the articles, is also disclosed.

REFERENCES:
patent: 991091 (1911-05-01), Russ
patent: 1225410 (1917-05-01), Clark
patent: 2375296 (1945-05-01), Ford
patent: 3025054 (1962-03-01), Clemens et al.
patent: 3053176 (1962-09-01), Shepherd
patent: 3230871 (1966-01-01), Kooch et al.

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