EP0022712B1 - Apparatus for testing coins or tokens - Google Patents

Apparatus for testing coins or tokens Download PDF

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Publication number
EP0022712B1
EP0022712B1 EP80401029A EP80401029A EP0022712B1 EP 0022712 B1 EP0022712 B1 EP 0022712B1 EP 80401029 A EP80401029 A EP 80401029A EP 80401029 A EP80401029 A EP 80401029A EP 0022712 B1 EP0022712 B1 EP 0022712B1
Authority
EP
European Patent Office
Prior art keywords
magnet
path
opening
magnetic
coin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP80401029A
Other languages
German (de)
French (fr)
Other versions
EP0022712A1 (en
Inventor
Lucien Marie André Pipaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe de Recherches et de Perfectionnements Industriels SRPI
Original Assignee
Societe de Recherches et de Perfectionnements Industriels SRPI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Societe de Recherches et de Perfectionnements Industriels SRPI filed Critical Societe de Recherches et de Perfectionnements Industriels SRPI
Publication of EP0022712A1 publication Critical patent/EP0022712A1/en
Application granted granted Critical
Publication of EP0022712B1 publication Critical patent/EP0022712B1/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F1/00—Coin inlet arrangements; Coins specially adapted to operate coin-freed mechanisms
    • G07F1/04—Coin chutes
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/08—Testing the magnetic or electric properties

Definitions

  • the invention relates to devices for choosing, between coins or tokens able to roll, those which have a prescribed characteristic, which find application in automatic telephone boxes and in automatic machines for the sale of articles.
  • German Patent No. 602,908 describes an apparatus for this purpose comprising two magnets M and E which are not integral and one of which, M, is fixed, of the type according to which a part has the choice between two paths. If it is not magnetic, it is not attracted by magnet M and it falls through a window A. If it is magnetic in a correct way, it is attracted by magnet M and it continues on its way . If it is too magnetic, when it continues on, it attracts magnet E. But a very magnetic piece can, if it passes quickly enough, not be retained by magnet E. A non-magnetic piece can, if it is launched with skill, arriving at the window opposite the fixed magnet M and playing the role of a correct magnetic piece.
  • the invention overcomes these drawbacks by a device of very high safety which, in particular, prevents any too magnetized part from playing the role of a correct part.
  • the invention therefore relates to an apparatus for rejecting between coins or tokens those whose magnetic characteristic exceeds a prescribed threshold, comprising a path for coins having an opening in which engages a first magnet when a magnetic coin passes in the path opposite the opening and further comprising, upstream of the first magnet, a second magnet, characterized in that the second magnet is integral with the first and is shaped or positioned so that the magnetic force with which it is attracted to by a magnetic piece passing in front of it on the way is less than that with which the first magnet is attracted by this same piece when it passes in front of the opening.
  • the magnetic force applied to the magnet forming the device is greater than that applied to the magnet forming the obstacle upstream, because the first magnet has more extent than the second and / or because the pole of the first magnet, the closest to the raceway, is closer to the raceway than the corresponding pole of the second magnet.
  • the apparatus of Figures 1 to 3 consists of two vertical flanges 1, 2, parallel, spaced from each other by a distance just greater than the thickness of the parts having the prescribed characteristic.
  • the lower edges of the flanges 1 and 2 are inclined downwards from the right to the left in FIG. 1 and are connected by a bottom, so as to define a raceway 3 for the P coins.
  • a yoke 4 On the outer face of the flange 1 is fixed a yoke 4, the axis 5 of which is parallel to the flange 1 and is perpendicular to the direction followed by the parts P along the raceway 3.
  • Two jaws 6 are integral with the axis 5 and enclose a permanent, cylindrical magnet 7.
  • the axis 8 of the magnet 7 is coincident with an opening 9 formed in the flange 1, upstream of the yoke 4.
  • the axis 5 is integral with a latch 10 for locking, the spout 11, bent and pointed, facing an opening 12, formed in the flange 1, downstream of the yoke 4.
  • a counterweight 13 is fixed on the latch.
  • each jaw 6 is welded a branch 14 of a clamp enclosing a magnet 15, of smaller dimension than the magnet 7 and of axis parallel to that of the latter, which can come in the raceway 3 passing through a opening 16 made in the flange 1 upstream of the opening 9.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Description

L'invention est relative aux appareils pour choisir, entre des pièces de monnaie ou jetons aptes à rouler, ceux qui ont une caractéristique prescrite, qui trouvent application dans les cabines téléphoniques automatiques et dans les machines automatiques pour la vente d'articles.The invention relates to devices for choosing, between coins or tokens able to roll, those which have a prescribed characteristic, which find application in automatic telephone boxes and in automatic machines for the sale of articles.

Au brevet allemand No 602.908, on décrit un appareil à cet effet comprenant deux aimants M et E qui ne sont pas solidaires et dont l'un, M, est fixe, du type suivant lequel une pièce a le choix entre deux chemins. Si elle n'est pas magnétique, elle n'est pas attirée par l'aimant M et elle tombe par une fenêtre A. Si elle est magnétique d'une manière correcte, elle est attirée par l'aimant M et elle poursuit son chemin. Si elle est trop magnétique, lorsqu'elle poursuit son chemin, elle attire l'aimant E. Mais une pièce très magnétique peut, si elle passe suffisamment rapidement, ne pas être retenue par l'aimant E. Une pièce non magnétique peut, si elle est lancée avec adresse, arriver à franchir la fenêtre en regard de l'aimant fixe M et jouer le rôle d'une pièce magnétique correcte.German Patent No. 602,908 describes an apparatus for this purpose comprising two magnets M and E which are not integral and one of which, M, is fixed, of the type according to which a part has the choice between two paths. If it is not magnetic, it is not attracted by magnet M and it falls through a window A. If it is magnetic in a correct way, it is attracted by magnet M and it continues on its way . If it is too magnetic, when it continues on, it attracts magnet E. But a very magnetic piece can, if it passes quickly enough, not be retained by magnet E. A non-magnetic piece can, if it is launched with skill, arriving at the window opposite the fixed magnet M and playing the role of a correct magnetic piece.

L'invention pallie ces inconvénients par un dispositif d'une très grande sûreté qui, en particulier, empêche toute pièce trop aimantée de jouer le rôle d'une pièce correcte.The invention overcomes these drawbacks by a device of very high safety which, in particular, prevents any too magnetized part from playing the role of a correct part.

L'invention a donc pour objet un appareil pour rejeter entre des pièces de monnaie ou jetons ceux dont une caractéristique magnétique dépasse un seuil prescrit, comprenant un chemin pour les pièces ayant une ouverture dans laquelle s'engage un premier aimant lorsqu'une pièce magnétique passe dans le chemin en regard de l'ouverture et comprenant en outre, en amont du premier aimant, un second aimant, caractérisé en ce que le second aimant est solidaire du premier et est conformé ou positionné de manière à ce que la force magnétique avec laquelle il est attiré par une pièce magnétique passant devant lui sur le chemin soit moindre que celle avec laquelle le premier aimant est attiré par cette même pièce lorsqu'elle passe devant l'ouverture.The invention therefore relates to an apparatus for rejecting between coins or tokens those whose magnetic characteristic exceeds a prescribed threshold, comprising a path for coins having an opening in which engages a first magnet when a magnetic coin passes in the path opposite the opening and further comprising, upstream of the first magnet, a second magnet, characterized in that the second magnet is integral with the first and is shaped or positioned so that the magnetic force with which it is attracted to by a magnetic piece passing in front of it on the way is less than that with which the first magnet is attracted by this same piece when it passes in front of the opening.

Lorsqu'une pièce magnétique passe dans le chemin, elle attire le second aimant, ce qui met en branle le premier. Lorsqu'elle passe devant le premier aimant, elle est attirée, si elle est magnétique d'une manière sûre, parce que tout retard, dû à une inertie mécanique, est évité grâce à la mise en branle préalable du premier aimant par le second. Une pièce trop magnétique, même envoyée à grande vitesse, reste collée au premier aimant.When a magnetic piece passes in the way, it attracts the second magnet, which sets in motion the first. When it passes in front of the first magnet, it is attracted, if it is magnetic in a safe way, because any delay, due to mechanical inertia, is avoided thanks to the initial activation of the first magnet by the second. A too magnetic part, even sent at high speed, remains stuck to the first magnet.

Lorsqu'un obstacle barre normalement le chemin en aval du premier aimant et ne s'escamote temporairement hors du chemin qu'en réponse à la détection par le premier aimant d'une pièce ayant une caractéristique magnétique supérieure à une valeur donnée, le fonctionnement est très sûr, non seulement parce que, le chemin étant fermé positivement, le passage de toute pièce anormale est empêché, mais surtout parce que l'ouverture du passage provoquée par une pièce correcte est très sûre, puisque l'on vainc à coup sûr l'inertie du premier aimant. L'expérience montre qu'aucune pièce correcte n'est refusée alors qu'auparavant, dans un appareil du même type, une pièce correcte sur 80 était refusée. La force magnétique appliquée à l'aimant formant le dispositif est plus importante que celle appliquée à l'aimant formant l'obstacle en amont, parce que le premier aimant a plus d'étendue que le second et/ou parce que le pôle du premier aimant, le plus proche du chemin de roulement, est plus proche du chemin de roulement que le pôle correspondant du second aimant.When an obstacle normally blocks the path downstream of the first magnet and temporarily retracts out of the path only in response to the detection by the first magnet of a part having a magnetic characteristic greater than a given value, the operation is very safe, not only because, the path being closed positively, the passage of any abnormal part is prevented, but especially because the opening of the passage caused by a correct part is very safe, since one wins for sure inertia of the first magnet. Experience shows that no correct part is refused, whereas previously, in a device of the same type, one correct part out of 80 was refused. The magnetic force applied to the magnet forming the device is greater than that applied to the magnet forming the obstacle upstream, because the first magnet has more extent than the second and / or because the pole of the first magnet, the closest to the raceway, is closer to the raceway than the corresponding pole of the second magnet.

Au dessin annexé, donné uniquement à titre d'exemple :

  • les figures 1 et 2 sont des vues en plan d'un appareil suivant l'invention ; et
  • la figure 3 en est une vue partielle en perspective.
In the attached drawing, given solely by way of example:
  • Figures 1 and 2 are plan views of an apparatus according to the invention; and
  • Figure 3 is a partial perspective view.

L'appareil des figures 1 à 3 se compose de deux flasques 1, 2 verticaux, parallèles, écartés l'un de l'autre d'une distance juste supérieure à l'épaisseur des pièces ayant la caractéristique prescrite. Les bords inférieurs des flasques 1 et 2 sont inclinés vers le bas de la droite vers la gauche à la figure 1 et sont raccordés par un fond, de manière à définir un chemin 3 de roulement pour les pièces P de monnaie.The apparatus of Figures 1 to 3 consists of two vertical flanges 1, 2, parallel, spaced from each other by a distance just greater than the thickness of the parts having the prescribed characteristic. The lower edges of the flanges 1 and 2 are inclined downwards from the right to the left in FIG. 1 and are connected by a bottom, so as to define a raceway 3 for the P coins.

Sur la face extérieure du flasque 1 est fixée une chape 4, dont l'axe 5 est parallèle au flasque 1 et est perpendiculaire à la direction suivie par les pièces P le long du chemin de roulement 3. Deux mâchoires 6 sont solidaires de l'axe 5 et enserrent un aimant 7 permanent, cylindrique. L'axe 8 de l'aimant 7 est en coïncidence avec une ouverture 9 ménagée dans le flasque 1, en amont de la chape 4.On the outer face of the flange 1 is fixed a yoke 4, the axis 5 of which is parallel to the flange 1 and is perpendicular to the direction followed by the parts P along the raceway 3. Two jaws 6 are integral with the axis 5 and enclose a permanent, cylindrical magnet 7. The axis 8 of the magnet 7 is coincident with an opening 9 formed in the flange 1, upstream of the yoke 4.

L'axe 5 est solidaire d'un loquet 10 de verrouillage dont le bec 11, coudé et pointu, est en regard d'une ouverture 12, ménagée dans le flasque 1, en aval de la chape 4.The axis 5 is integral with a latch 10 for locking, the spout 11, bent and pointed, facing an opening 12, formed in the flange 1, downstream of the yoke 4.

Avant le coude du loquet 10, un contrepoids 13 est fixé sur le loquet.Before the bend of the latch 10, a counterweight 13 is fixed on the latch.

A chaque mâchoire 6 est soudée une branche 14 d'une pince enserrant un aimant 15, de moindre dimension que l'aimant 7 et d'axe parallèle à celui de ce dernier, qui peut venir dans le chemin 3 de roulement en passant par une ouverture 16 pratiquée dans le flasque 1 en amont de l'ouverture 9.To each jaw 6 is welded a branch 14 of a clamp enclosing a magnet 15, of smaller dimension than the magnet 7 and of axis parallel to that of the latter, which can come in the raceway 3 passing through a opening 16 made in the flange 1 upstream of the opening 9.

Comme représenté à la figure 1, en l'absence d'une pièce P magnétique devant l'ouverture 9 et donc en l'absence de forces magnétiques d'attraction de l'aimant 7, le contrepoids 13 exerce un mouvement suffisamment important par rapport aux aimants 7 et 15 pour que le bec 11 traverse l'ouverture 12 et barre le chemin de roulement 3 en constituant un obstacle au passage des pièces tant dans un sens que dans l'autre. Mais quand (figure 2) une pièce P ayant la caractéristique prescrite, en l'occurrence la pro-As shown in FIG. 1, in the absence of a magnetic piece P in front of the opening 9 and therefore in the absence of magnetic forces of attraction of the magnet 7, the counterweight 13 exerts a sufficiently large movement relative to to the magnets 7 and 15 so that the spout 11 crosses the opening 12 and bars the raceway 3 by constituting an obstacle to the passage of the parts both in one direction and in the other. But when (Figure 2) a part P having the prescribed characteristic, in this case the pro-

priété d'être magnétique, passe devant l'ouverture 16, elle commence à mettre en branle l'aimant 15 et donc aussi l'aimant 7, de sorte que, lorsque la pièce P arrive devant l'ouverture 9, elle attire l'aimant 7 d'une manière sûre. Les mâchoires 6 pivotent et font tourner l'axe 5. Le loquet 10 pivote dans le sens des aiguilles d'une montre et le bec 11 s'écarte du chemin de roulement 3 par l'ouverture 12 en livrant passage à la pièce P. Dès qu'une pièce P ayant la caractéristique prescrite est passée devant l'ouverture 12, le contrepoids 23 ramène le bec 11 dans le chemin de roulement 3.request to be magnetic, passes in front of the opening 16, it begins to set in motion the magnet 15 and therefore also the magnet 7, so that, when the part P arrives in front of the opening 9, it attracts the magnet 7 in a safe way. The jaws 6 pivot and rotate the axis 5. The latch 10 pivots clockwise and the spout 11 moves away from the raceway 3 through the opening 12 giving passage to the part P. As soon as a part P having the prescribed characteristic has passed in front of the opening 12, the counterweight 23 brings the spout 11 back into the raceway 3.

Mais si une pièce P, trop magnétique, reste collée à l'aimant 7, l'obstacle 15 reste dans le chemin 3 de roulement en amont de la pièce P collée et interdit toute arrivée d'une pièce nouvelle susceptible de décoller la pièce P.But if a part P, which is too magnetic, remains stuck to the magnet 7, the obstacle 15 remains in the raceway 3 upstream of the stuck part P and prevents any arrival of a new part likely to take off the part P .

Claims (6)

1. An apparatus for rejecting from coins or tokens those whose magnetic characteristic exceeds a prescribed threshold, said apparatus comprising a path (3) for the coins (P) having an opening (9) in which a first magnet (7) engages when a magnetic coin (P) passes along the path (3) opposite the opening (9) and, upstream of the first magnet (7), a second magnet (15) characterized in that the second magnet (15) is carried by the same mounting means as the first (7) and is shaped or positioned so that the magnetic force with which it is attracted by a magnetic coin (P) passing in front of it along the path (3) is less than that with which the first magnet (7) is attracted by this same coin (P) when it passes in front of the opening (9).
2. Apparatus as claimed in claim 1, characterized in that, when neither of the two magnets (7, 15) is attracted by a magnetic coin (P), the second magnet (15) is further removed from the path (3) than is the first magnet (7).
3. Apparatus as claimed in claim 1, characterized in that the first magnet (7) has a larger extent than the second (15).
4. Apparatus as claime.d in claim 1, characterized in that an opening (16) is made in the path (3) opposite the second magnet and the course of this second magnet (15) is such that it can engage in said opening until it blocks the path (3).
5. Apparatus as claimed in claim 4, characterized in that the second magnet (15) blocks the path (3) when a coin (P) having a magnetic characteristic exceeding the prescribed threshold is situated opposite the opening (9) in which the first magnet (7) by which the coin is retained is engaged.
6. The apparatus as claimed in any one of claims 1 to 5, making it possible to select from coins those whose magnetic characteristic is above a given value, wherein an obstacle (11) blocks normally the path (3) downstream of the first magnet (7) and withdraws temporarily out of the path only in response to the detection by the first magnet (7) of a coin (P) having a magnetic characteristic above a given value.
EP80401029A 1979-07-13 1980-07-08 Apparatus for testing coins or tokens Expired EP0022712B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7918225A FR2461308A1 (en) 1979-07-13 1979-07-13 APPARATUS AND METHOD FOR CHOOSING BETWEEN COINS OR TOKENS
FR7918225 1979-07-13

Publications (2)

Publication Number Publication Date
EP0022712A1 EP0022712A1 (en) 1981-01-21
EP0022712B1 true EP0022712B1 (en) 1983-11-16

Family

ID=9227849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401029A Expired EP0022712B1 (en) 1979-07-13 1980-07-08 Apparatus for testing coins or tokens

Country Status (5)

Country Link
US (1) US4315567A (en)
EP (1) EP0022712B1 (en)
JP (1) JPS5659386A (en)
DE (1) DE3065605D1 (en)
FR (1) FR2461308A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411347A1 (en) * 1984-03-28 1985-10-10 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen DEVICE FOR TESTING THE MAGNETIC PROPERTY OF A COIN
KR100445563B1 (en) * 1996-05-30 2005-05-16 아사히 세이코 가부시키가이샤 Coin classification apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602908C (en) * 1934-09-19 Elektrozeit Akt Ges Coin checker
CH92304A (en) * 1919-01-03 1921-12-16 Hansen K Anker Arrangement for vending machines to prevent theft by false iron coins.
US1850382A (en) * 1929-02-23 1932-03-22 Cornine Hakanson Die Casting C Coin controlled mechanism
US1838907A (en) * 1931-01-29 1931-12-29 Grenier Arthur H Du Check controlled mechanism
GB420765A (en) * 1933-08-08 1934-12-07 David Morgan Griffiths A magnetical contrivance to prevent iron and steel discs and washers from being inserted through the slots of automatic coin slot machines
US2298440A (en) * 1940-06-12 1942-10-13 Bell Telephone Labor Inc Coin collector
CH327130A (en) * 1954-09-13 1958-01-15 Eduard Dipl Ing Stark Coin validator
US3556276A (en) * 1968-03-29 1971-01-19 Vendo Co Dual path coin sorting and validating device
CA916554A (en) * 1968-12-06 1972-12-12 Coin Verifiers Company Limited Coin-sensing devices
US4111292A (en) * 1974-12-19 1978-09-05 Dixon Eugene H Coin machine slug rejector

Also Published As

Publication number Publication date
JPS5659386A (en) 1981-05-22
FR2461308B1 (en) 1982-09-10
US4315567A (en) 1982-02-16
FR2461308A1 (en) 1981-01-30
DE3065605D1 (en) 1983-12-22
EP0022712A1 (en) 1981-01-21

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