Sheet feeding or delivering – Feeding – Multiple supplies
Patent
1994-02-16
1995-04-04
Olszewski, Robert P.
Sheet feeding or delivering
Feeding
Multiple supplies
271 10, 271 35, 271114, 271121, 271265, 271266, 198835, B65H 344, B65H 304
Patent
active
054029961
ABSTRACT:
A number of card feeders comprise a feed belt underlying a friction wheel operated by a pulsed drive. A continuously rotating drive shaft may be coupled to a selected feeder by an air cylinder which retracts under control of a controller to translate a guide wheel of the feed belt of the selected feeder so that the feed belt moves into contact with a drive wheel rotated by the continuously rotating drive shaft. The pulsed friction wheel rotates through an arc in order to drop a card from a stack of cards partially supported by the friction wheel onto the now moving feed belt. A downstream card sensor, when sensing that a card has been delivered, signals the controller so that the controller operates the air cylinder to extend it to decouple the feed belt from the drive shaft.
REFERENCES:
patent: 2583471 (1952-01-01), Collis
patent: 3291286 (1966-12-01), Adams
patent: 3291287 (1966-12-01), Rehm
patent: 4651983 (1987-03-01), Long
patent: 4966357 (1990-10-01), Burger
patent: 5129641 (1992-07-01), Long
patent: 5141216 (1992-08-01), Ballestrazzi
Milef Borus
Olszewski Robert P.
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