Coin handling – Assorter – Smallest first
Patent
1988-09-09
1990-07-24
Rolla, Joseph J.
Coin handling
Assorter
Smallest first
453 49, 453 57, G07D 100
Patent
active
049432575
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a coin assorting device comprising a disc mounted for rotation on a bottom plate to pass, when rotating, below a coin supply tube and forming recesses arranged in pairs diametrically opposite each other, for receiving a coin from the coin supply tube in each recess, said bottom plate having a discharge opening for coins the diameter of which is less than a predetermined maximum diameter of the coins supplied.
Coin assorting means of this type are used in coin assorting machines for a so called second sorting of the coins. Then, the coins of an unassorted coin body are first subject to a first sorting, wherein the coins one after the other are allowed to roll along a sloping path and in dependence of the size of the coin diameter are diverted therefrom in one of a number of stations, where the coins are allowed to fall into coin tubes, the inside diameter of which is adjusted to the diameter of the coins to be received therein. In the coin tube the coins will form a pile which accordingly should include only coins of one and the same diameter. It is completely precluded and it is a technical impossibility that a coin the diameter of which is larger than the diameter of coins to be collected in the tube, could be included in the coin pile. However, it cannot be precluded that a coin or two having a smaller diameter appear in the coin pile from time to time. When the coins are diverted from the sloping path it may in fact happen that a coin which is diverted at the proper station brings along a smaller coin running in parallel with said coin, when falling down into the coin tube. Even if such anomalies in sorting the coins are rectified by said second sorting applied for many years, it nevertheless happens from time to time that a small parallel-running coin which has fallen down into the coin tube, causes cramping between the coins and the lower edge of the coin tube. There is a particular risk of such cramping in such cases when the diameter and thickness of said incorrect coin are small. When such cramping has occurred in coin assorting devices of the kind previously known, it may be necessary to stop the coin assorting machine, disassemble the coin tube and then manually remove the coin which has caused the cramping.
A main object of the present invention thus is to reduce, in coin assorting devices of the kind mentioned initially, the risk that interruption in the operation caused by cramping should happen. In case cramping caused by an incorrect small coin nevertheless should occur, still another object of the invention is to remove this interruption of the operation by automatically during a short sequence reversing the rotational movement of the rotatable disc and by striking action against the coin eliminate the cramping and then automatically revert to the initial rotational direction at the same time discharging coins.
According to the invention the objects mentioned above are achieved by designing the coin assorting device in accordance with the characteristic features specified in the appended claims.
In order to explain in more detail the invention an embodiment thereof will be described with reference to the accompanying drawings, in which
FIG. 1 is a plan view of the coin assorting device,
FIG. 2 is a cross sectional view taken along the broken dot--and--dash line II-II in FIG. 1,
FIG. 3 illustrates very schematically an arrangement for automatically, during a short sequence, cause the rotational disc to rotate in the opposite direction in order to eliminate cramping that has occurred, and
FIGS. 4 and 5 illustrate diagrammatically two situations in which cramping may occur.
The coin assorting device comprises a bottom plate 10, which should be fixedly mounted in a coin assorting machine. This bottom plate has on the upper side thereof a milled recess 11, with a flat bottom in which a disc 12 is rotatably mounted by means of a drive shaft 13. The rotatable disc 12 has four wings 14 which project from a hub 15 and are separated from each other by means of substantially s
REFERENCES:
patent: 1927265 (1933-09-01), Hume
patent: 2881775 (1959-04-01), Miller
patent: 3242931 (1966-03-01), Wandrey
patent: 3583410 (1971-06-01), Bayha et al.
patent: 3971393 (1976-07-01), Akai et al.
patent: 4202362 (1980-05-01), Kashio
Lindahl Bengt G.
Nilsson Bengt G.
Rolla Joseph J.
Scan Coin AB
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