Bulk material handler and feeder

Details Bulk material handler and feeder Bulk material handler and feeder

B - Operations, Transporting

65

H

219/31

B65H 17/02 (1980.01)

Patent

CA 1134329

BULK MATERIAL HANDLER AND FEEDER ABSTRACT A bulk material feeder has two rollers, at least the lower of which is driven. Strip material is threaded around the side of the upper roller toward the direction of feed, between the rollers, around the said of the lower roller opposite the direction of feed and to downstream machinery spaced from the feeder. Roller spacing is greater than material thickness precluding compression of the material. Feed is produced by fric- tion between the roller and material only. Feed rate is greater than usage thereby producing a depending loop between the feeder and the downstream machinery. In one embodiment, increasing loop size decreases material and roller contact, causing relative slippage and a discontinuance of feed. In another embodiment, both rollers are driven and loop size is limited by a photoelectric device and associated control circuitry.

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