The invention pertains to an improved method of construction for lockable removable cassettes or cash boxes used for the protection of banknotes in automated handling equipment such as gaming machines, vending machines, automated teller machines and the like.
Current cash box products suffer from several deficiencies, including not being sufficiently rugged for general handling, and being of high cost. Further, it is not possible to distinguish a full cash box from an empty one without opening a currency access door with a key, conventional cash boxes require operation of a latch before removal is possible, and such cash boxes do not give a positive or easily recognizable indication that the cash box has not been properly seated in the host machine.
The present invention pertains to a lockable, removable cassette which includes improvements described herein that address all of the above defects.
An improved mechanism for stacking bills is also described. The improvements include a means to achieve a large stroke in a compact geometry and a means to adjust the available force on the pusher plate mechanism as a function of the pusher extension. Optimum compactness and efficiency can thereby be achieved.
Other features and advantages of the invention will be apparent from the following detailed description as illustrated by the accompanying drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Like reference numbers in the various drawings indicate like elements throughout the different views.
During normal operation the removable secure banknote cassette (3) is removed when it is desired by the operator to extract the stored payment media such as banknotes. It should be noted that the terms banknote, bill, paper currency, security document, coupons and the like denote items which may be inserted into the validator, transported and then stored in the cassette.
Removal of the secure banknote cassette (3) is achieved by exerting a pull force on the cassette handle (4) or the cassette grip (5) sufficient to overcome a retention force. Referring to
During typical operations, an empty cassette replaces a removed one. Inserting another cassette is also achieved in a simple manner. Referring to
In the present implementation, if the insertion effort is unsuccessful the ejector (20) will push the removable secure banknote cassette (3) back towards the operator by approximately two inches as shown by the ejected cassette (28) in
The construction of the removable secure banknote cassette (3) is now described in more detail. The cassette (3) may be made from molded plastic and have a single wall construction.
In an implementation, the plastic shell halves of the lockable removable cassette (3) may be molded with inserts of reinforcing material. It is also contemplated that the outer shell may be overmolded with a resilient material or a soft material. For example, cassette left half (10) and cassette right half (11) may be fabricated by first inserting steel parts (for strength) into an injection mold tool and then molding plastic against the parts to form the cassette outer shell pieces. In addition, or alternately, a soft resilient material, such as a pliable rubber or the like, could be overmolded around a portion or all of the outer shell to enable the cassette (3) to better absorb impacts. One skilled in the art would recognize that various materials could be used to either impart strength or improve shock absorption, and that such materials may be applied to a portion or to the entire structure of the cassette.
In general, stacking mechanisms that include a banknote pusher plate and scissors arrangement for storing bills in a cash box are well known. However, as shown in
Regarding
The simplicity of the compact stacker (29) arrangement (see
If a prime mover is specified of sufficient torque to be adequate at the beginning of the stroke, excessively large forces may be generated at the fully extended position, especially when the removable secure banknote cassette (3) is filled with currency. In order to improve this situation the final gear pair (shown in detail H of
Current banknote acceptors use belts to transport the banknotes within a stacking mechanism. An alternative arrangement uses a system of drive wheels that may be conveniently connected by simple spur gears.
The currency access door (7) shown in
Referring to
In an alternative embodiment a pair of hinge pins are used. One pin is inserted from each side of the cassette. In another alternative implementation shown in
Referring to
During normal operation a control system sends a signal to drive the stacking mechanism as discussed above with regard to
If the signal level from light receiver (51) falls to a low level without a command to drive the stacking mechanism the control system will assume that the removable secure banknote cassette (3) has been removed and a message to this effect is sent to the host machine. When the same (or another) removable secure banknote cassette (3) is re-installed in the chassis (2) the signal is restored to the light receiver (51) and the banknote processor (1) returns to normal service.
The control system may perform an additional check to verify that a legitimate removable secure banknote cassette (3) has been installed by performing a test run of the stacker mechanism. If the signal from the light receiver (51) shows the characteristic sequential signal transitions representative of a full stacking sequence or cycle, then a genuine removable secure banknote cassette (3) is deemed to be present.
A number of embodiments of the present invention have been described. Nevertheless, it should be understood that various modifications might be made without departing from the spirit and scope of the invention. Accordingly other embodiments are within the scope of the following claims.
This application is a continuation of U.S. Ser. No. 10/775,873, filed Feb. 10, 2004, which is a divisional of U.S. Ser. No. 09/982,578, filed Oct. 16, 2001, which claims the benefit of prior U.S. Provisional Application 60/241,197, filed Oct. 17, 2000.
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Number | Date | Country | |
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20100156036 A1 | Jun 2010 | US |
Number | Date | Country | |
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60241197 | Oct 2000 | US |
Number | Date | Country | |
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Parent | 09982578 | Oct 2001 | US |
Child | 10775873 | US |
Number | Date | Country | |
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Parent | 10775873 | Feb 2004 | US |
Child | 12717894 | US |