EP0518094B1 - Trolley with coin lock - Google Patents
Trolley with coin lock Download PDFInfo
- Publication number
- EP0518094B1 EP0518094B1 EP92108568A EP92108568A EP0518094B1 EP 0518094 B1 EP0518094 B1 EP 0518094B1 EP 92108568 A EP92108568 A EP 92108568A EP 92108568 A EP92108568 A EP 92108568A EP 0518094 B1 EP0518094 B1 EP 0518094B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coin
- operated lock
- transport cart
- cart
- handle
- 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 - Lifetime
Links
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/06—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by returnable containers, i.e. reverse vending systems in which a user is rewarded for returning a container that serves as a token of value, e.g. bottles
- G07F7/0618—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by returnable containers, i.e. reverse vending systems in which a user is rewarded for returning a container that serves as a token of value, e.g. bottles by carts
- G07F7/0663—Constructional details of the housing of the coin or token activated lock, or of mounting of the coin-lock on the trolley or cart
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S194/00—Check-actuated control mechanisms
- Y10S194/905—Shopping cart return
Definitions
- the invention relates to a transport trolley, in particular a shopping trolley, which can be inserted into a similar trolley and is equipped with a device suitable for receiving goods, generally in the form of a basket, and with a handle for moving the trolley, which is mounted on lateral support arms via terminal grip caps.
- the trolley has a coin lock and a key for connecting the trolleys standing in a parking column or for releasing the trolley, which is preferably at the end of the column, by entering a pawn coin, and the coin lock locks the pawn coin when the trolley is released and releases it when the trolley is reconnected.
- Trolleys with this deposit system are known in principle from DE-A 25 54 916 and are now on the market in different embodiments. Since the release of a trolley is only possible by inserting a coin into the coin machine and the user only gets the coin back when he connects the trolley to one of the various collection points, the trolleys no longer stand around uselessly. You save personnel to find, collect and return the wagons and also manage with fewer, because the unused wagons are always concentrated at the demand points.
- the coin lock is mounted on the handle tube with which the car can be moved, cf. DE-A 29 00 367 and US-A 4 683 609.
- this arrangement has the disadvantage that the accessibility of the basket is impaired.
- the coin lock on such shopping carts that are equipped with a child seat protrudes into the seating area.
- this positioning there is also the risk that the coin locks will be rotated around the handle axis.
- the assembly of the lock in this area requires a precise dimensional adjustment of the coin lock housing the geometrical conditions of different parts. Since here depending on the car manufacturer different shapes for the handle support arm, the handle cap, but especially for the inclination of the support arms are on the market, the well-known coin lock must be adapted to the transport car on the market through differently shaped housings.
- the object of the present invention is to improve the transport trolley described at the outset in such a way that it is distinguished by universal suitability for different types of trolleys. Furthermore, the accessibility of the basket for loading and unloading as well as the suitability for a possible child seat should be preserved. Finally, according to a further development of the invention, the coin lock should be so stable that a column of coupled carriages can not only be moved forward, which is not critical, but also backwards, by pulling the last carriage of the column. Here, the tensile forces are transmitted from one to the other carriage via the coin lock, so that the coin locks are exposed to high tensile loads.
- the pivotable arrangement of the coin lock allows a very precise alignment with respect to the tensile forces occurring when a column of vehicles moves backwards in such a way that the lock and in particular the key part inserted therein are subject to a pure tensile load.
- the previously occurring bending of the key due to obliquely acting forces is excluded and, at the same time, the locking elements of the coin lock which are engaged with the key are also protected.
- the receiving device has a real pivot bearing for the coin lock, whereby its alignment and assembly is particularly facilitated.
- the coin lock can be locked mechanically at the desired angle Socket bolts, screws or the like are made. Instead, however, it is also advantageous if this locking takes place by means of an elastic latching connection between the coin lock and the receiving device.
- the coin lock For simple assembly of the coin lock as well as for using one and the same mounting device for coin locks of different currencies, it is advisable to design the coin lock as an exchangeable plug-in element.
- the receiving device can then always have the same shape and is best integrated into the handle cap arranged at the end of the support arm, that is to say produced in one operation as an integral injection-molded part with the handle cap.
- the receiving device has a mouth-shaped opening into which the coin lock can be inserted approximately horizontally and locked therein. This particularly facilitates the use of the receiving device for coin locks of different coins as well as the alignment of the coin lock to the desired angle of inclination.
- the mouth-shaped opening is oriented against the direction of travel of the car.
- the tensile forces acting on the lock are then not only non-positively, but positively received by the receiving device and also the transfer of these tensile forces from the receiving device to the carriage arm not only non-positively, but form-fitting, because the receiving device is connected to the handle cap encompassing the end of the support arm.
- the receiving device has a corresponding recess on one or both side walls of the mouth-shaped opening.
- the coin-operated machine has an approximately rotationally symmetrical circumference, in particular a circular or polygonal cylinder, at least in its area inserted in the receiving device, and corresponds to corresponding adjacent surfaces in the interior of the mouth-shaped opening. As a result, it can be easily aligned and locked at different angles of inclination.
- the assembly of the coin lock becomes particularly easy if the mouth-shaped opening can be expanded elastically in such a way that the coin-operated machine can be inserted approximately horizontally into the mouth-shaped opening and can latch into it.
- This latching connection is sufficient for locking the coin lock because the jaw-shaped opening is open against the tensile forces possibly acting on the coin lock, so that the latching connection is not loaded in the sense of opening by these tensile forces but rather the lock is pressed into the mouth-shaped opening by these tensile forces.
- the mouth-shaped opening is to be chosen with regard to its vertical opening width so that the coin lock is installed at all angles of inclination that occur in practice can be and still remains accessible for the tokens to be inserted. Accordingly, the slot for inserting the key must have a sufficiently large vertical extension at the peripheral region of the receiving device opposite the mouth-shaped opening.
- a usual bracket 1 of a shopping cart Such a support arm runs obliquely upwards on both sides of the carriage and carries a handle tube 2 there, which is fastened at both ends in the U-shaped bend at the end of each support arm.
- This attachment is usually carried out by means of a plastic handle cap which is pushed onto the U-shaped bend with a pocket and has a horizontally inwardly projecting bush 3 into which the handle tube 2 is inserted axially, see FIG. 3.
- the grip cap is fixed to the support arm 1 by a pin 8 which extends from the outside into an opening in the Handle cap is inserted and locked in it. It crosses the U-shaped bend of the support arm and thus holds the grip cap firmly on the support arm. Of course, another attachment is also possible.
- the handle tube 2 can be connected to the support arm via a handle cap of conventional shape.
- one handle cap is designed as a receiving device 4 for the adjustable mounting of a coin lock 5.
- the receiving device 4 has an approximately C-shaped shape in its upper region and is open towards the rear, that is to say against the direction of travel of the car.
- the mouth-shaped opening 4a thus created can be seen in particular in FIG. 2.
- the coin lock 5 can be pressed approximately horizontally with elastic expansion of the C-shaped upper part of the receiving device 4 and jammed therein, cf. 1 and 2.
- the cavity behind the opening 4a has a circular cylindrical contour 4b with an axis parallel to the handle 2 and is also provided with several adjacent longitudinal ribs 4c.
- the outer contour of the coin lock 5 corresponds to this. It therefore essentially has the shape of a cylinder with horizontal axis. On its outside it is provided with ribs 5a which cooperate with the longitudinal ribs 4c of the receiving device 4.
- the coin lock 5 is designed so that one or two upright pawn coins can be inserted forward on both sides via corresponding, approximately horizontally running slots 5b. On the opposite side, which points in the direction of travel, the coin lock has a slot 5c (see FIG. 1) into which the key 6 of the shopping cart in front can be inserted.
- the opening width of the mouth-shaped opening 4a for inserting the coin lock 5 as well as the height of the opposite slot 4d for the key 6, which is preferably to be inserted upright, are dimensioned such that the accessibility of the coin lock 5 at all practically occurring angle differences between the insertion level of the key 6 into the lock 5 on the one hand and the support arm 1 on the other hand is preserved.
- the vertical side walls 4e of the receptacle are also cut out and, moreover, are kept so narrow that the deposit coins in the coin lock always remain visible.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Handcart (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Basic Packing Technique (AREA)
- Coin-Freed Apparatuses For Hiring Articles (AREA)
- Testing Of Coins (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Die Erfindung betrifft einen Transportwagen, insbesondere Einkaufswagen, der in einen gleichartigen Wagen einschiebbar und mit einer zur Aufnahme von Waren geeigneten Einrichtung, im allgemeinen in Form eines Korbes, und mit einem an seitlichen Tragarmen über endständige Griffkappen montierten Griff zum Verfahren des Wagens ausgestattet ist, wobei der Wagen in Griffnähe ein Münzschloß und einen Schlüssel zum Aneinanderschließen von in einer Parkkolonne stehenden Wagen bzw. zur Freigabe des vorzugsweise am Kolonnenende stehenden Wagens gegen Eingabe einer Pfandmünze aufweist und das Münzschloß die Pfandmünze bei der Wagenfreigabe verriegelt, beim Wiederanschließen des Wagens freigibt.The invention relates to a transport trolley, in particular a shopping trolley, which can be inserted into a similar trolley and is equipped with a device suitable for receiving goods, generally in the form of a basket, and with a handle for moving the trolley, which is mounted on lateral support arms via terminal grip caps. wherein the trolley has a coin lock and a key for connecting the trolleys standing in a parking column or for releasing the trolley, which is preferably at the end of the column, by entering a pawn coin, and the coin lock locks the pawn coin when the trolley is released and releases it when the trolley is reconnected.
Transportwagen mit diesem Pfandsystem sind im Prinzip durch die DE-A 25 54 916 bekannt geworden und inzwischen in unterschiedlichen Ausführungsformen auf dem Markt. Da die Freigabe eines Wagens nur gegen Einstecken einer Pfandmünze in den Münzautomat möglich ist und der Benutzer die Münze nur dann zurückerhält, wenn er den Wagen an einer der verschiedenen Sammelstellen wieder ankoppelt, stehen die Wagen nicht mehr nutzlos herum. Man spart Personal zum Suchen, Sammeln und Zurückbringen der Wagen und kommt auch mit einer geringeren Anzahl aus, weil die nicht benutzten Wagen stets an den Bedarfspunkten konzentriert sind.Trolleys with this deposit system are known in principle from DE-A 25 54 916 and are now on the market in different embodiments. Since the release of a trolley is only possible by inserting a coin into the coin machine and the user only gets the coin back when he connects the trolley to one of the various collection points, the trolleys no longer stand around uselessly. You save personnel to find, collect and return the wagons and also manage with fewer, because the unused wagons are always concentrated at the demand points.
Bei den meisten Wagen ist das Münzschloß an dem Griffrohr montiert, mit dem der Wagen verfahren werden kann, vgl. DE-A 29 00 367 und US-A 4 683 609. Diese Anordnung hat aber den Nachteil, daß die Zugänglichkeit des Korbes beeinträchtigt wird. Darüber hinaus ragt das Münzschloß bei solchen Einkaufswagen, die mit einem Kindersitz ausgestattet sind, störend in den Sitzbereich hinein. Schließlich besteht bei dieser Positionierung auch die Gefahr, daß die Münzschlösser um die Griffachse verdreht werden.In most cars, the coin lock is mounted on the handle tube with which the car can be moved, cf. DE-A 29 00 367 and US-A 4 683 609. However, this arrangement has the disadvantage that the accessibility of the basket is impaired. In addition, the coin lock on such shopping carts that are equipped with a child seat protrudes into the seating area. Finally, with this positioning there is also the risk that the coin locks will be rotated around the handle axis.
Daneben ist es durch die DE-A 33 24 962 bekannt, das Münzschloß außen an einer Korbseitenwand zu befestigen. Dabei besteht aber die Gefahr, daß man mit dem seitlich vorstehenden Schloßgehäuse hängen bleibt, insbesondere dann, wenn Gegenverkehr herrscht, weil dann die Münzautomaten jeweils an den einander zugewandten Korbseiten vorstehen. Dieser erhöhte Sicherheitsabstand wird vom Kunden normalerweise nicht erwartet, so daß es in den mitunter engen Passagen in Supermärkten häufig zu Kollisionen kommt.In addition, it is known from DE-A 33 24 962 to fasten the coin lock on the outside of a basket side wall. However, there is a risk that the lock housing protrudes laterally, especially when there is oncoming traffic, because then the coin-operated machines protrude on the sides of the basket facing each other. This increased safety distance is normally not expected by the customer, so that collisions often occur in the sometimes narrow passages in supermarkets.
Um diese Probleme zu beseitigen, wird in der EP 199 274 vorgeschlagen, das Münzschloß im Übergangsbereich zwischen Griff und Tragarm anzuordnen, wobei es sich sowohl am Griff als auch am Tragarm abstützen soll, damit eine mutwillige Verdrehung ausgeschlossen ist.In order to eliminate these problems, it is proposed in EP 199 274 to arrange the coin lock in the transition region between the handle and the support arm, whereby it should be supported both on the handle and on the support arm so that a deliberate twisting is excluded.
Die Montage des Schlosses in diesem Bereich verlangt aber eine genaue maßliche Anpassung des Münzschloß-Gehäuses an die geometrischen Gegebenheiten verschiedener Teile. Da hier je nach Wagenhersteller unterschiedliche Formen für den Grifftragarm, die Griffkappe, insbesondere aber für die Neigung der Tragarme auf dem Markt sind, muß das bekannte Münzschloß durch unterschiedlich geformte Gehäuse an die auf dem Markt befindlichen Transportwagen angepaßt werden.The assembly of the lock in this area requires a precise dimensional adjustment of the coin lock housing the geometrical conditions of different parts. Since here depending on the car manufacturer different shapes for the handle support arm, the handle cap, but especially for the inclination of the support arms are on the market, the well-known coin lock must be adapted to the transport car on the market through differently shaped housings.
Hiervon ausgehend liegt die Aufgabe der vorliegenden Erfindung darin, den eingangs beschriebenen Transportwagen dahingehend zu verbessern, daß er sich durch universelle Eignung für unterschiedliche Wagentypen auszeichnet. Des weiteren soll die Zugänglichkeit des Korbes zum Be- und Entladen wie auch die Eignung für einen eventuellen Kindersitz gewahrt bleiben. Schließlich soll gemäß einer Weiterbildung der Erfindung das Münzschloß so stabil sein, daß man eine Kolonne zusammengekoppelter Wagen nicht nur vorwärts, was unkritisch ist, sondern auch rückwärts verfahren kann, indem der letzte Wagen der Kolonne gezogen wird. Hierbei werden die Zugkräfte jeweils über das Münzschloß vom einen auf den anderen Wagen übertragen, so daß die Münzschlösser hoher Zugbelastung ausgesetzt sind.Proceeding from this, the object of the present invention is to improve the transport trolley described at the outset in such a way that it is distinguished by universal suitability for different types of trolleys. Furthermore, the accessibility of the basket for loading and unloading as well as the suitability for a possible child seat should be preserved. Finally, according to a further development of the invention, the coin lock should be so stable that a column of coupled carriages can not only be moved forward, which is not critical, but also backwards, by pulling the last carriage of the column. Here, the tensile forces are transmitted from one to the other carriage via the coin lock, so that the coin locks are exposed to high tensile loads.
Dieser Aufgabenkomplex wird erfindungsgemäß durch die Merkmale des kennzeichens von Anspruch 1 gelöst.This complex of tasks is solved according to the invention by the features of the characterizing part of
Dadurch gelingt es, das Münzschloß unabhängig von der jeweiligen Neigung der Wagen-Tragarme stets horizontal ausgerichtet werden. Man kann also ein und dieselbe Gehäusekonstruktion des Münzschlosses für unterschiedliche Einkaufswagen-Typen verwenden, braucht nur noch eine Spritzgußform und erzielt dadurch erheblich günstigere Herstellkosten als bisher.This ensures that the coin lock is always horizontal, regardless of the inclination of the carriage arms be aligned. So you can use one and the same housing construction of the coin lock for different types of shopping trolleys, just need an injection mold and thereby achieve significantly lower manufacturing costs than before.
Außerdem gestattet die verschwenkbare Anordnung des Münzschlosses eine sehr genaue Ausrichtung bezüglich der beim Rückwärtsfahren einer Wagenkolonne auftretenden Zugkräfte in der Weise, daß das Schloß und insbesondere das darin steckende Schlüsselteil einer reinen Zugbelastung unterliegen. Dadurch wird das bisher auftretende Verbiegen des Schlüssels aufgrund schräg einwirkender Kräfte ausgeschlossen und zugleich werden auch die mit dem Schlüssel in Eingriff stehenden Verriegelungselemente des Münzschlosses geschont.In addition, the pivotable arrangement of the coin lock allows a very precise alignment with respect to the tensile forces occurring when a column of vehicles moves backwards in such a way that the lock and in particular the key part inserted therein are subject to a pure tensile load. As a result, the previously occurring bending of the key due to obliquely acting forces is excluded and, at the same time, the locking elements of the coin lock which are engaged with the key are also protected.
Für die verschwenkbare Anordnung des Münzschlosses und seine Fixierung in dem gewünschten Neigungswinkel unabhängig von der Schrägstellung seines Tragarmes bieten sich dem Fachmann verschiedene Möglichkeiten. Besonders zweckmäßig ist es, wenn die Verbindung des Münzschlosses mit seinem Tragarm über eine Aufnahmevorrichtung erfolgt, an der das Münzschloß bezogen auf die zum Griff parallele Drehachse in unterschiedlichen Neigungswinkeln fixierbar ist.Various possibilities are available to the person skilled in the art for the pivotable arrangement of the coin lock and its fixing in the desired angle of inclination regardless of the inclined position of its support arm. It is particularly expedient if the coin lock is connected to its support arm via a receiving device on which the coin lock can be fixed at different angles of inclination with respect to the axis of rotation parallel to the handle.
Dabei besteht die Möglichkeit, daß die Aufnahmevorrichtung eine echte Schwenklagerung für das Münzschloß aufweist, wodurch seine Ausrichtung und Montage besonders erleichtert wird. Die Arretierung des Münzschlosses in dem gewünschten Neigungswinkel kann mechanisch durch Steckbolzen, Schrauben oder dergleichen erfolgen. Stattdessen ist es aber auch vorteilhaft, wenn diese Arretierung durch eine elastische Rastverbindung zwischen Münzschloß und Aufnahmevorrichtung erfolgt.There is the possibility that the receiving device has a real pivot bearing for the coin lock, whereby its alignment and assembly is particularly facilitated. The coin lock can be locked mechanically at the desired angle Socket bolts, screws or the like are made. Instead, however, it is also advantageous if this locking takes place by means of an elastic latching connection between the coin lock and the receiving device.
Zur einfachen Montage des Münzschlosses wie auch zur Verwendung ein und derselben Aufnahmevorrichtung für Münzschlösser unterschiedlicher Währungen empfiehlt es sich, das Münzschloß als auswechselbares Steckelement auszubilden. Die Aufnahmevorrichtung kann dann stets die gleiche Form aufweisen und wird am besten in die am Ende des Tragarmes angeordnete Griffkappe integriert, also in einem Arbeitsgang als einstückiges Spritzgußteil mit der Griffkappe hergestellt.For simple assembly of the coin lock as well as for using one and the same mounting device for coin locks of different currencies, it is advisable to design the coin lock as an exchangeable plug-in element. The receiving device can then always have the same shape and is best integrated into the handle cap arranged at the end of the support arm, that is to say produced in one operation as an integral injection-molded part with the handle cap.
Gemäß einer besonders vorteilhaften Weiterbildung der Erfindung, weist die Aufnahmevorrichtung eine maulförmige Öffnung auf, in die das Münzschloß etwa horizontal einsteckbar und darin arretierbar ist. Dadurch wird die Verwendung der Aufnahmevorrichtung für Münzschlösser unterschiedlicher Münzen wie auch die Ausrichtung des Münzschlosses auf den gewünschten Neigungswinkel besonders erleichtert.According to a particularly advantageous development of the invention, the receiving device has a mouth-shaped opening into which the coin lock can be inserted approximately horizontally and locked therein. This particularly facilitates the use of the receiving device for coin locks of different coins as well as the alignment of the coin lock to the desired angle of inclination.
Damit die Aufnahmevorrichtung für die Aufnahme hoher Zugkräfte geeignet ist, wird die maulförmige Öffnung entgegen der Fahrtrichtung des Wagens orientiert. Die auf das Schloß einwirkenden Zugkräfte werden dann nicht nur kraftschlüssig, sondern formschlüssig von der Aufnahmevorrichtung aufgenommen und ebenso erfolgt auch die Weitergabe dieser Zugkräfte von der Aufnahmevorrichtung auf den Wagen-Tragarm nicht nur kraftschlüssig, sondern formschlüssig, weil die Aufnahmevorrichtung mit der das Ende des Tragarmes umfassenden Griffkappe verbunden ist.So that the receiving device is suitable for absorbing high tractive forces, the mouth-shaped opening is oriented against the direction of travel of the car. The tensile forces acting on the lock are then not only non-positively, but positively received by the receiving device and also the transfer of these tensile forces from the receiving device to the carriage arm not only non-positively, but form-fitting, because the receiving device is connected to the handle cap encompassing the end of the support arm.
Um das Einstecken der Pfandmünze bzw. der Pfandmünzen in den Münzautomat zu erleichtern, weist die Aufnahmevorrichtung an der einen oder an beiden Seitenwänden der maulförmigen Öffnung eine entsprechende Aussparung auf.In order to make it easier to insert the deposit coin or the deposit coins into the coin machine, the receiving device has a corresponding recess on one or both side walls of the mouth-shaped opening.
Des weiteren empfiehlt es sich, daß der Münzautomat zumindest in seinem in der Aufnahmevorrichtung steckenden Bereich einen etwa rotationssymmetrischen Umfang, insbesondere einen Kreis- oder Vieleckzylinder, aufweist und mit entsprechenden Nachbarflächen im Inneren der maulförmigen Öffnung korrespondiert. Er kann dadurch leicht in unterschiedlichen Neigungswinkeln ausgerichtet und arretiert werden.Furthermore, it is recommended that the coin-operated machine has an approximately rotationally symmetrical circumference, in particular a circular or polygonal cylinder, at least in its area inserted in the receiving device, and corresponds to corresponding adjacent surfaces in the interior of the mouth-shaped opening. As a result, it can be easily aligned and locked at different angles of inclination.
Besonders leicht wird die Montage des Münzschlosses, wenn die maulförmige Öffnung derart elastisch aufweitbar ist, daß der Münzautomat etwa horizontal in die maulförmige Öffnung eingesteckt und in ihr verrasten kann. Diese Rastverbindung genügt für die Arretierung des Münzschlosses, weil die maulförmige Öffnung entgegen der auf das Münzschloß eventuell einwirkenden Zugkräfte offen ist, so daß die Rastverbindung durch diese Zugkräfte nicht im Öffnungssinn belastet wird sondern vielmehr das Schloß durch diese Zugkräfte in die maulförmige Öffnung hineingedrückt wird.The assembly of the coin lock becomes particularly easy if the mouth-shaped opening can be expanded elastically in such a way that the coin-operated machine can be inserted approximately horizontally into the mouth-shaped opening and can latch into it. This latching connection is sufficient for locking the coin lock because the jaw-shaped opening is open against the tensile forces possibly acting on the coin lock, so that the latching connection is not loaded in the sense of opening by these tensile forces but rather the lock is pressed into the mouth-shaped opening by these tensile forces.
Die maulförmige Öffnung ist hinsichtlich ihrer vertikalen Öffnungsweite so zu wählen, daß das Münzschloß unter allen in der Praxis vorkommenden Neigungswinkeln eingebaut werden kann und dabei immer noch für die einzusteckenden Pfandmünzen zugänglich bleibt. Dementsprechend muß auch der Schlitz zum Einstecken des Schlüssels an dem der maulförmigen Öffnung gegenüberliegenden Umfangsbereich der Aufnahmevorrichtung eine genügend große Vertikalerstreckung aufweisen.The mouth-shaped opening is to be chosen with regard to its vertical opening width so that the coin lock is installed at all angles of inclination that occur in practice can be and still remains accessible for the tokens to be inserted. Accordingly, the slot for inserting the key must have a sufficiently large vertical extension at the peripheral region of the receiving device opposite the mouth-shaped opening.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der Zeichnung; dabei zeigt
- Fig. 1
- Einen Teil des Tragarmes eines Einkaufswagens, an dem der Griff wie auch das Münzschloß und der Schlüssel befestigt ist in der Seitenansicht;
- Fig. 2
- die gleiche Seitenansicht wie Fig. 1 mit aus der Aufnahmevorrichtung herausgezogenem Münzschloß;
- Fig. 3
- den gleichen Bereich des Einkaufswagens von hinten in Fahrtrichtung gesehen und
- Fig. 4
- den gleichen Bereich des Einkaufswagens wie Fig. 3 jedoch von oben gesehen.
- Fig. 1
- A part of the support arm of a shopping cart, on which the handle as well as the coin lock and the key is attached in side view;
- Fig. 2
- the same side view as Figure 1 with the coin lock pulled out of the receiving device.
- Fig. 3
- seen the same area of the shopping cart from behind in the direction of travel and
- Fig. 4
- the same area of the shopping cart as Fig. 3, however, seen from above.
In Fig. 1 erkennt man zunächst einen üblichen Tragarm 1 eines Einkaufswagens. Ein solcher Tragarm läuft beidseits des Wagens schräg ansteigend nach hinten und trägt dort ein Griffrohr 2, das an seinen beiden Enden jeweils in der U-förmigen Umbiegung am Ende eines jeden Tragarmes befestigt ist. Diese Befestigung erfolgt meist mittels einer Griffkappe aus Kunststoff, die mit einer Tasche auf die U-förmige Umbiegung aufgeschoben wird und eine horizontal nach innen ragende Buchse 3 aufweist, in die das Griffrohr 2 axial eingeschoben wird, siehe Fig. 3.In Fig. 1 you can first see a
Die Fixierung der Griffkappe an dem Tragarm 1 erfolgt durch einen Zapfen 8, der von außen in eine Öffnung der Griffkappe eingesteckt und in ihr verrastet wird. Er durchquert die U-förmige Umbiegung des Tragarmes und hält die Griffkappe somit formschlüssig auf dem Tragarm fest. Selbstverständlich ist jedoch auch eine andere Befestigung möglich.The grip cap is fixed to the
Am gegenüberliegenden, in der Zeichnung nicht sichtbaren Tragarm kann das Griffrohr 2 über eine Griffkappe konventioneller Form mit dem Tragarm verbunden werden.On the opposite support arm, which is not visible in the drawing, the
Wesentlich ist nun, daß die eine Griffkappe als Aufnahmevorrichtung 4 zur verstellbaren Montage eines Münzschlosses 5 ausgebildet ist. Dazu weist die Aufnahmevorrichtung 4 in ihrem oberen Bereich eine etwa C-förmige Form auf und ist nach hinten hin, also entgegen der Fahrtrichtung des Wagens offen. Die so entstehende, maulförmige Öffnung 4a ist insbesondere in Fig. 2 erkennbar. In diese Öffnung kann das Münzschloß 5 unter elastischer Aufweitung des C-förmigen Oberteils der Aufnahmevorrichtung 4 etwa horizontal hineingedrückt und darin verklemmt werden, vgl. Fig. 1 und 2.It is essential that one handle cap is designed as a receiving
Um einen sicheren Halt des Münzschlosses 5 in der Aufnahmevorrichtung 4 einerseits und die erwünschte Justierbarkeit des Münzschlosses bezogen auf eine zum Griff 2 parallele Drehachse andererseits sicherzustellen, weist der Hohlraum hinter der Öffnung 4a eine kreiszylindrische Kontur 4b mit einer zum Griff 2 parallelen Achse auf und ist außerdem mit mehreren nebeneinander liegenden Längsrippen 4c versehen.In order to ensure a secure hold of the
Hierzu korrespondiert die Außenkontur des Münzschlosses 5. Es hat also im wesentlichen die Form eines Zylinders mit horizontaler Achse. An seiner Außenseite ist es mit Rippen 5a versehen, die mit den Längsrippen 4c der Aufnahmevorrichtung 4 zusammenwirken.The outer contour of the
Das Münzschloß 5 ist so gestaltet, daß an beiden Seiten über entsprechende, etwa horizontal verlaufende Schlitze 5b ein oder zwei hochkant stehende Pfandmünzen nach vorn eingeschoben werden können. An der gegenüberliegenden, in Fahrtrichtung weisenden Seite hat das Münzschloß einen Schlitz 5c (vgl. Fig. 1), in den der Schlüssel 6 des davorstehenden Einkaufswagens eingesteckt werden kann.The
Zu den konstruktiven Details des Münzschlosses wird auf die PCT/EP 91/00 261 verwiesen, in der das hier dargestellte Münzschloß näher beschrieben ist. Selbstverständlich kann aber stattdessen auch jede andere Schloßkonstruktion verwendet werden.For the constructive details of the coin lock, reference is made to PCT / EP 91/00 261, in which the coin lock shown here is described in more detail. Of course, any other lock construction can also be used instead.
Die Öffnungsweite der maulförmigen Öffnung 4a zum Einstecken des Münzschlosses 5 wie auch die Höhe des gegenüberliegenden Schlitzes 4d für den vorzugsweise hochkant einzusteckenden Schlüssel 6 sind so bemessen, daß die Zugänglichkeit des Münzschlosses 5 unter allen praktisch vorkommenden Winkeldifferenzen zwischen der Einsteckebene des Schlüssels 6 in das Schloß 5 einerseits und dem Tragarm 1 andererseits gewahrt bleibt. Zum gleichen Zweck sind auch die vertikalen Seitenwände 4e der Aufnahmevorrichtung ausgeschnitten und darüber hinaus so schmal gehalten, damit die im Münzschloß steckenden Pfandmünzen stets sichtbar bleiben.The opening width of the mouth-shaped
Darüber hinaus sind die Abmessungen der maulförmigen Aufnahmeöffnung 4a einerseits und des Münzschlosses 5 andererseits so gewählt, daß das Münzschloß unter elastischer Aufweitung der Aufnahmevorrichtung 4 in ihr verrastet werden kann.In addition, the dimensions of the mouth-shaped receiving
Schließlich wird aus Fig. 1 deutlich, daß bei Zugbelastung des im Münzschloß verriegelten Schlüssels 6 das Münzschloß 5 in die maulförmige Öffnung 4a der Aufnahmeöffnung hineingedrückt wird und daß gleichermaßen der untere Bereich der Aufnahmevorrichtung, der als Endkappe den Tragarm 1 übergreift, gegen diesen Tragarm gedrückt wird. In beiden Verbindungsstellen wird die genannte Zugbelastung also durch Formschluß übertragen. Dies gilt auch bei entgegengesetzter Kraftrichtung, wenn also beispielsweise an dem zum Tragarm 1 gehörenden Schlüssel 7 gezogen wird, denn in diesem Fall ist es der Zapfen 8, der die Zugkraft formschlüssig auf den Tragarm 1 weiterleitet, während das Münzschloß 5 nach wie vor in die maulförmige Öffnung der Aufnahmevorrichtung 4 hineingedrückt wird.Finally, it is clear from Fig. 1 that when the key 6 locked in the coin lock is pulled, the
Man erhält also eine sehr stabile und kompakte Anbringung des Münzschlosses am Einkaufswagen mit dem besonderen Vorteil, daß das Münzschloß hinsichtlich seiner Einsteckebene für den Schlüssel unabhängig vom Neigungswinkel des Tragarmes 1 ausgerichtet und somit für unterschiedliche Wagentypen verwendet werden kann.So you get a very stable and compact attachment of the coin lock on the shopping cart with the particular advantage that the coin lock aligned with regard to its insertion level for the key regardless of the angle of inclination of the
Claims (11)
- Transport cart, especially shopping trolley, which can be pushed into a similar cart and is equipped with a device, in general in the form of a basket, suitable for the reception of goods, and with a handle (2) mounted on lateral carrier arms (1) for the propulsion of the cart, wherein the cart includes a coin-operated lock (5) in the vicinity of the handle and a key (7) for locking carts standing in a parked column to one another and for releasing the cart standing preferably at the end of the column on insertion of a deposit coin, the coin-operated lock (5) locking the deposit coin on release of the cart, and releases it on re-attachment of the cart,
characterised in that
the connection of the coin-operated lock (5) with the one carrier arm (1) of the cart takes place through a reception device (4) relative to which the coin-operated lock (5) is pivotable about an axis of rotation parallel to the handle (2) and is fixable at the desired angle of inclination of the coin-operated lock relative to the plane of insertion of the key (6). - Transport cart according to claim 1,
characterised in that
the reception device (4) includes a pivot mounting for the coin-operated lock (5). - Transport cart according to claim 1 or 2,
characterised in that
the coin operated lock (5) is held at the desired angle of inclination by a snap connection in the reception device (4). - Transport cart according to any one of the preceding claims,
characterised in that
the coin-operated lock (5) is made as a readily easily exchangeable plug-in element. - Transport cart according to any one of the preceding claims,
characterised in that
the reception device (4) is formed in one place on the handle cap arranged on the end of the carrier arm. - Transport cart, especially according to any one of the preceding claims,
characterised in that
the reception device (4) has a jaw-shaped opening (4a) into which the coin-operated lock (5) can be inserted approximately horizontally and arrested. - Transport cart according to claim 6,
characterised in that
the jaw-shaped opening (4a) is oriented oppositely to the direction of travel of the cart. - Transport cart according to claim 6 or 7,
characterised in that
the reception device (4) includes at least on the one side wall of the jaw-shaped opening (4a) an aperture for the insertion of the deposit coin into the coin-operated lock (5). - Transport cart according to any one of claims 6 to 8,
characterised in that
at least in its region pushed into the device (4), the coin-operated lock (5) has a circumference approximately symmetrical in rotation and corresponds with corresponding neighbouring faces (4b, 4c) in the interior of the jaw-shaped opening (4a). - Transport cart according to any one of claims 6 to 9,
characterised in that
the opening (4a) of jaw form is capable of resilient widening. - Transport cart according to any one of claims 6 to 10,
characterised in that
at its circumferential region lying opposite to the jaw-shaped opening (4a) the reception device (4) has a slot (4d) for the insertion of the key (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4118514 | 1991-06-06 | ||
| DE4118514A DE4118514A1 (en) | 1991-06-06 | 1991-06-06 | TRANSPORT CARRIAGE WITH COIN LOCK |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0518094A1 EP0518094A1 (en) | 1992-12-16 |
| EP0518094B1 true EP0518094B1 (en) | 1995-08-23 |
Family
ID=6433265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92108568A Expired - Lifetime EP0518094B1 (en) | 1991-06-06 | 1992-05-21 | Trolley with coin lock |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5259633A (en) |
| EP (1) | EP0518094B1 (en) |
| JP (1) | JPH05182075A (en) |
| AT (1) | ATE126914T1 (en) |
| AU (1) | AU649591B2 (en) |
| CA (1) | CA2070557A1 (en) |
| DE (2) | DE4118514A1 (en) |
| ES (1) | ES2077915T3 (en) |
| FI (1) | FI922577A (en) |
| IE (1) | IE921792A1 (en) |
| NO (1) | NO922192L (en) |
| ZA (1) | ZA923770B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9303149U1 (en) * | 1993-03-04 | 1993-05-19 | Huhn-Industriemontagen, Inh. Andreas Huhn, 5270 Gummersbach | Device for unlocking token-operated locking devices |
| DE9308624U1 (en) * | 1993-06-09 | 1993-08-19 | Vendoret Holding S.A., Luxemburg/Luxembourg | Shopping cart with deposit lock |
| DE9311453U1 (en) * | 1993-07-31 | 1994-05-26 | Wanzl Gmbh & Co. Entwicklungs-Kg, 89340 Leipheim | Transport trolley that can be moved by hand |
| FR2721127B1 (en) * | 1994-06-14 | 1996-07-26 | Ronis Sa | Deposit lock for goods trolley and its mounting process. |
| DE19605805B4 (en) * | 1996-02-16 | 2007-07-12 | Systec Pos-Technology Gmbh | Dolly with deposit lock |
| DE19830297A1 (en) * | 1998-07-07 | 2000-01-13 | Wanzl Metallwarenfabrik Kg | Sliding device for attachment to a shopping cart |
| EP1485888A2 (en) * | 2002-03-13 | 2004-12-15 | Franz Wieth | Deposit lock for a transport car |
| MXNL04000095A (en) * | 2004-11-22 | 2006-05-24 | Javier Valdes De La Garza | Rotative coin-operated lock for interlocking supermarket trolleys. |
| DE202008000606U1 (en) * | 2008-01-15 | 2009-05-28 | Sonnendorfer, Horst | Shopping cart with push handle and coin lock device |
| KR100883182B1 (en) * | 2008-05-27 | 2009-02-12 | 주식회사 삼보 | Clip for shopping trolley |
| CA2751413C (en) * | 2009-02-04 | 2016-04-19 | Horst Sonnendorfer | Shopping trolley with a magnifying glass |
| DE102011118506A1 (en) * | 2011-10-14 | 2013-04-18 | Horst Sonnendorfer | Push handle for a shopping cart |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE400803C (en) * | 1923-09-11 | 1924-08-19 | Colla Tiggemann & Co | Padlock |
| DE2554916C2 (en) * | 1975-12-06 | 1990-10-25 | Willi 7016 Gerlingen Kragl | Transport trolley |
| DE2900367A1 (en) * | 1978-01-10 | 1979-07-26 | Abacco Installation Aps | Control system for supermarket or luggage trolleys - has automatic lock on each trolley released by insertion of money and returns money when trolley is locked again at coupling station |
| DK145550C (en) * | 1980-11-28 | 1983-05-09 | Catena Locks As | AUTOMATIC LASER FOR A PLANT WITH TRUCKS, ISRAEL PURCHASES AND TRANSPORT TRUCKS |
| US4371070A (en) * | 1981-01-26 | 1983-02-01 | Maxwell Harry L | Key deposit return machine |
| US4513983A (en) * | 1983-01-28 | 1985-04-30 | Calder Robert E | Point-of-purchase advertising for shopping carts |
| FR2545246B2 (en) * | 1983-02-18 | 1988-03-11 | Mors | LOCKER AND DISSIGNER DEVICE FOR UTILITY OBJECTS, SUCH AS LUGGAGE CARTS |
| US4573564A (en) * | 1983-05-10 | 1986-03-04 | Trailmor [Proprietary] Limited | Trolley locking device |
| DE3317656A1 (en) * | 1983-05-14 | 1984-11-15 | VCW Video-Componenten Weissenfels, 7500 Karlsruhe | Safety device for a coin-operated machine |
| FR2575569B1 (en) * | 1984-12-27 | 1988-06-10 | Maloeuvre Robert | METHOD AND DEVICE FOR INCENTING THE STORAGE OF SELF-SERVICE TROLLEYS |
| DE3515069A1 (en) * | 1985-04-26 | 1986-11-06 | Rudolf Wanzl Kg, 8874 Leipheim | SHOPPING VENTURE |
| US4683609A (en) * | 1986-04-08 | 1987-08-04 | Cari-All Inc. | Shopping cart handle having an integral lock pin |
| FR2612321B1 (en) * | 1987-03-11 | 1991-05-24 | Ronis Sa | CHAIN LOCKER FOR GOODS CARRIAGE |
| CA1228844A (en) * | 1987-04-09 | 1987-11-03 | Antoine Trubiano | Arresting bracket for a shopping cart lock |
| DE3714115A1 (en) * | 1987-04-28 | 1988-11-10 | Wanzl Rudolf Gmbh Co Kg | Coin-operated lock |
| DE3743757A1 (en) * | 1987-12-23 | 1989-07-13 | Standard Elektrik Lorenz Ag | Insertion device for coins |
| DE3841003A1 (en) * | 1988-12-06 | 1990-06-07 | Peter Fuchs | Coin-insertion and return arrangement for deposit coins |
| DE3900538A1 (en) * | 1989-01-11 | 1990-07-12 | Peter Fuchs | Coin insertion and return arrangement for deposit coins |
| DE3900582A1 (en) * | 1989-01-11 | 1990-07-12 | Carry Park Ltd | Coin-operated or token-operated device for the uncoupling of shopping trolleys |
| DE3902242A1 (en) * | 1989-01-26 | 1990-08-02 | Peter Fuchs | Coupling device for hand trolleys |
| FR2643310B1 (en) * | 1989-02-21 | 1991-12-27 | Carrie Marcel | SHELF FOR USE OF PURCHASE LIST SUPPORT ADAPTABLE TO THE HANDLING HANDLE OF TROLLEYS, ESPECIALLY SELF-SERVICE STORES |
| DE3912831A1 (en) * | 1989-04-19 | 1990-10-25 | Wanzl Entwicklung Gmbh | COIN LOCK FOR TRANSPORT CARS |
| DE3917172A1 (en) * | 1989-05-26 | 1990-11-29 | Peter Fuchs | Hand trolley return system using coin deposit-return devices - has trapping devices at collection points preventing removal of trolleys without insertion of coin |
| AU642970B2 (en) * | 1990-02-14 | 1993-11-04 | Systec Ausbausysteme Gmbh | Trolley with coin lock |
| DE4023396A1 (en) * | 1990-07-23 | 1992-01-30 | Systec Ausbausysteme Gmbh | SECURITY DEVICE FOR TRANSPORT CARTS |
-
1991
- 1991-06-06 DE DE4118514A patent/DE4118514A1/en not_active Withdrawn
-
1992
- 1992-05-21 EP EP92108568A patent/EP0518094B1/en not_active Expired - Lifetime
- 1992-05-21 AT AT92108568T patent/ATE126914T1/en not_active IP Right Cessation
- 1992-05-21 DE DE59203345T patent/DE59203345D1/en not_active Expired - Fee Related
- 1992-05-21 ES ES92108568T patent/ES2077915T3/en not_active Expired - Lifetime
- 1992-05-22 ZA ZA923770A patent/ZA923770B/en unknown
- 1992-05-28 US US07/889,563 patent/US5259633A/en not_active Expired - Fee Related
- 1992-06-03 NO NO92922192A patent/NO922192L/en unknown
- 1992-06-04 JP JP4143061A patent/JPH05182075A/en active Pending
- 1992-06-04 FI FI922577A patent/FI922577A/en not_active Application Discontinuation
- 1992-06-04 AU AU18051/92A patent/AU649591B2/en not_active Ceased
- 1992-06-05 CA CA002070557A patent/CA2070557A1/en not_active Abandoned
- 1992-07-01 IE IE179292A patent/IE921792A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IE921792A1 (en) | 1992-12-16 |
| AU1805192A (en) | 1992-12-10 |
| NO922192D0 (en) | 1992-06-03 |
| DE59203345D1 (en) | 1995-09-28 |
| AU649591B2 (en) | 1994-05-26 |
| CA2070557A1 (en) | 1992-12-07 |
| EP0518094A1 (en) | 1992-12-16 |
| FI922577A (en) | 1992-12-07 |
| FI922577A0 (en) | 1992-06-04 |
| DE4118514A1 (en) | 1992-12-10 |
| JPH05182075A (en) | 1993-07-23 |
| US5259633A (en) | 1993-11-09 |
| ZA923770B (en) | 1993-01-27 |
| ES2077915T3 (en) | 1995-12-01 |
| ATE126914T1 (en) | 1995-09-15 |
| NO922192L (en) | 1992-12-07 |
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