G - Physics – 07 – D
Patent
G - Physics
07
D
209/29
G07D 3/00 (2006.01) G07D 3/12 (2006.01)
Patent
CA 1214755
ABSTRACT OF THE DISCLOSURE In accordance with the invention a coin sorter is provided which sorts mixed denominations of coins. The coin sorter comprises a rotatable disc having a resilient surface and a stationary disc having its first surface positioned proximate to the resilient surface of the rotatable disc. The two discs are positioned sufficiently close such that coins placed between the two disc surfaces are pressed into the resilient surface by pressure from the stationary disc surface. Accordingly, coins cannot move on the rotatable disc and, as a result, they rotate with the rotatable disc. Radial movement of the coins is urged by centri- fugal force from the coin rotation, but such movement is prevented by the coins pressed engagement with the resilient surface. Selected areas of the stationary disc are recessed so as to release coins from their pressed engagement with the resilient surface and thereby allow radial movement of the released coins in response to centrifugal force. The selected areas of the stationary disc which are recessed, guide the coins along a path which results in each denomination of coin escaping from between the two discs at different positions along the periphery or the stationary disc. A means is provided to remove the upper coin from stacked or shingled coin combinations. Particularly, the means may be an arcuate elastomer member which retards movement of the upper coin while allowing the lower coin to rotate freely. Alternately, the means may be a recess in the stationary disc whose entrance allows only single layer coins to enter the recess by sweeping the surface of the lower coin and recirculating any stacked and shingled coins removed thereby. Recesses and ridges are provided on the underside of the stationary disc which recirculate improperly aligned coins. In particular, a ridge is provided which recirculates misaligned coins to a recessed area which initially receives coins from the center opening of the stationary disc. A portion of the recesses in the stationary disc which guide correctly aligned coins are configured to be approximately equal to the largest diameter coin in order to facilitate correct coin alignment. Another portion of the recesses provide a ejection route for misaligned coins which leads the coins back to the recessed area which initially accepts coins into the area between the two discs. Yet another portion of the recesses in the stationary disc allow the smallest diameter coin denomination smooth and quick release between the two discs.
456341
Johnson Roy B.
Ristvedt Victor G.
Marks & Clerk
Ristvedt-Johnson Inc.
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