Sheet material collating apparatus

Details Sheet material collating apparatus Sheet material collating apparatus

1994-10-31

1996-04-30

Ryznic, John E.

Sheet-material associating

Associating or disassociating

Sheet associating

271 1003, 271114, 1984183, B65H 3904, B65H 306

Patent

active

055117694

ABSTRACT:
A sheet material collating apparatus includes a conveyor and a plurality of hoppers which hold sheet material articles. Feed drums are operable to sequentially feed sheet material articles from each of the hoppers to sheet material receiving locations on the conveyor. Each of a plurality of feed drum drive systems includes a transmission which is operable to drive a feed drum at either a first speed or a second speed which is greater than the first speed. A control system for the transmissions may include a detector which is operable to detect when a pusher element in the conveyor is at predetermined location relative to a feed drum by detecting either the pusher element itself or the trailing edge of a sheet material article being pushed by the pusher element. A signal generator, such as an encoder or pulse generator, may be used to indicate the position of a pusher element in the conveyor relative to the feed drums.

REFERENCES:
patent: 2251943 (1941-08-01), Kleineberg
patent: 3809385 (1974-05-01), Rana
patent: 3825247 (1974-07-01), Fernandez-Rana et al.
patent: 4299378 (1981-11-01), Muller
patent: 5080341 (1992-01-01), Luthy
patent: 5326087 (1994-07-01), Colson et al.

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