|Publication number||USRE42944 E1|
|Application number||US 11/299,243|
|Publication date||Nov 22, 2011|
|Filing date||Mar 26, 2001|
|Priority date||Apr 12, 2000|
|Also published as||CA2376639A1, CA2376639C, DE50101320D1, EP1202778A2, EP1202778B1, US6659460, US20030047870, USRE44616, WO2001078854A2, WO2001078854A3|
|Publication number||11299243, 299243, PCT/2001/88, PCT/AT/1/000088, PCT/AT/1/00088, PCT/AT/2001/000088, PCT/AT/2001/00088, PCT/AT1/000088, PCT/AT1/00088, PCT/AT1000088, PCT/AT100088, PCT/AT2001/000088, PCT/AT2001/00088, PCT/AT2001000088, PCT/AT200100088, US RE42944 E1, US RE42944E1, US-E1-RE42944, USRE42944 E1, USRE42944E1|
|Inventors||Ernst Blaha, Peter Krenn|
|Original Assignee||Shuffle Master Gmbh & Co Kg|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (37), Classifications (4), Legal Events (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Applicants claim priority under 35 U.S.C. §119 of Austrian Application No. A 634/2000 filed Apr. 12, 2000. Applicants also claim priority under 35 U.S.C. §120 of PCT/AT01/00088 filed Mar. 26, 2001. The international application under PCT article 21(2) was not published in English.
The invention relates to a card shuffler.
An example of a shuffling device is described in U.S. Pat. No. 4,659,082. In this known shufflering apparatus the shuffling vessel is formed by a horizontally arranged drivable drum which is provided with radially extending shafts for receiving a card each. An input station for receiving a stack of discarded playing cards is provided through which the individual shafts of the drum are supplied. The storage container for the shuffled cards is supplied by the drum. Following the activation of a card ejector, the individual cards are pushed into the storage container at random.
A similar card shuffler has become known from U.S. Pat. No. 4,586,712 in which the drum is vertical.
A very high degree of shuffling is achieved with such card shufflers. The foreseeability of the card sequence in the shuffled card stack is virtually impossible for a third party even in the case of using electronic aids.
In these known solutions there are card storage means for retrieving the shuffled cards individually. This leads to the disadvantage, however, that such card shufflers can only be used for certain games, but not for such games where a removal in stacks of the shuffled cards is provided.
A card shuffling apparatus with an output apparatus for retrieving cards is described in U.S. Pat. No. 5,683,085 A which by way of a respective activation can be supplied from the shuffling storage means not only with individual cards, but also with several cards, so that an entire stack of cards can be taken from the output apparatus.
From U.S. Pat. No. 5,989,122 A, a card shuffling apparatus is known which also conveys entire playing card stacks to an intended output apparatus.
The differentiation whether or not entire stacks of cards or merely individual cards are conveyed to the output apparatus is solved in the last two documents electronically. The output apparatuses per se remain the same and can thus not be adapted to the different card games.
It is the object of the present invention to avoid this disadvantage and to propose a card shuffler of the kind mentioned above which can be used for both types of games.
The proposed measures lead to a modular arrangement of the card shuffler, with an exchange of the card storage means for the shuffled cards being possible in a simple way. A card storage means for the individual retrieval of cards can be replaced for example very simply by one for the retrieval of cards in stacks and vice-versa.
Principally, the receiving means can be provided with any desired arrangement and can comprise groove- and spring-shaped shapings, for example with which the card storage means and the basic body mutually engage. The fixing can be provided by means of a fixable alignment pin for example. It is also possible, however, to provide connections by clips or snap-in connections such as spring-loaded balls or pins as receiving means for the card storage means which latch into respective latching recesses of the card storage means or the basic body of the shuffler.
In one embodiment, the content of each compartment of the shufflers storage means is securely pushed into a nip line between two rollers during the output which convey the same into the card storage means for the shuffled cards.
This also allows shuffling more than one card into a compartment of the shuffling storage means and thus keeping the card shuffler relatively small. This allows operating such a shuffler on a game table even when a larger number of card stacks, such as six or eight, are in the game and need to be managed. The nip rollers can either be provided with an elastically deformable coating or be pressed in a resilient way against one another which also allows an adjustment to the thickness of the content of the compartment to be ejected which can also hold several cards, e.g. a card stack with nine cards.
In one embodiment, the card shuffling storage means is a drum having radially arranged compartments. The cards are held in the individual compartments and cannot slip outwardly by centrifugal force and thus prevent any contact of the cards with a housing enclosing the drum. This leads to a very substantial protection of the cards.
Moreover, in the case of any required exchange of a drum, it is not necessary to remove the cards from the compartment of the same. Instead, the drum including the cards contained in the same can be exchanged.
In one embodiment, a card sensor is provided to detect the cards used in a game. It is not only possible to check their number, but also the card picture, as a result of which any changes to the cards can be recognized.
The invention is now explained in closer detail by reference to the enclosed drawings, wherein:
On a base plate 1, a shuffling storage means 2′ is disposed on a console formed by two legs 9, which shuffling storage means is formed by a rotatably held drum 2. Said drum 2 is connected to two disks 3 via spacers 62 (
Said disks 3 are each provided with a circumferential toothing 70. The shuffling storage means 2′ can be driven via a pinion 4 and a toothed pulley 5 which is rigidly connected to the same and are jointly held rotatably in plates 25, and a toothed belt 6 via a second toothed pulley 7 and a motor 8. This motor 8 is triggered via a randomizer and optionally also moves the shuffling storage means 2′ in mutually opposite directions, so that an oscillating movement of the shuffling storage means 2′ can occur.
A reservoir 10 for the discarded cards 13 is provided which is part of an input apparatus. It comprises a wedge 11 which is rolled off by a roller 12 which is arranged rotatably within the same on an inclined floor of the reservoir 10 against two elastic rollers 14 (
A sensor 24 is provided as a line sensor for recognizing the card symbol of the respectively moved card 13.
The pair of rollers 19 and the pair of rollers 18 which touch the same on the circumference and are each situated on shaft 30 can be driven in the same manner as described above by motor 23.
The two levers 21 are used for the complete insertion of the respectively moved card into a compartment 69 of the shuffling storage means 2′ and are oscillatingly drivable by way of a rod 22 which is swivelably connected with the lever 21 by the axle 34 by way of an eccentric disk 23 disposed on the motor.
Two variants are provided for the card storage means 42, 42′ for the shuffled cards 13, which storage means can optionally be fastened to the base plate 1 and can easily be mutually exchanged.
A receiving means is provided which comprises two alignment pins 100 which are inserted in the base plate 1 and on which a card storage means 42, 42′ for shuffled cards can be inserted. The card storage means 42, 42′ is provided with respective bores 102 in its base. In order to fix the respective card storage means 42, 42′, a screw 101 is provided which engages in a threaded bore 103 of the card storage means 42, 42′.
A receiving means for the card storage means 42, 42′ can also use clip connectors to connect to the card storage means 42, 42′, or a recess can be formed in the base plate 1 into which the card storage means 42, 42′ can be inserted.
The output of cards 13 from the compartments 69 into a card storage means 42, 42′ is performed by means of two swivel arms 35 which are swivelably held in the two legs 9 and are oscillatingly drivable by way of levers 37 and by way of an eccentric disk 38 situated on a motor. Said two swivel arms 35 each carry at their upper ends an inwardly positioned rail 36 (
The grip rollers 40 convey the respectively moved cards 13 either into the card storage means 42 for the shuffled cards as shown in
A card storage means 42 is substantially formed by a U-shaped table 43 in which the cards 13 are deposited in a stack 44. The cards can be removed upwardly by the croupier stack-by-stack if necessary.
The reservoir 42′ according to
As is shown in
As is shown in
The spring 52 is provided with a bending 55 which covers the radially outer openings of the compartments 69 and prevents securely that cards are ejected outwardly by centrifugal force during the rotation of the shuffling storage means 2′.
The springs 51 according to
The output of the cards of a compartment 69 is carried out in such a way that the card 13 or a stack of up to nine cards for example is ejected by force. This is carried out by means of the swivel arms 35 and rails 36, as already explained above. The springs 51, 52 are deformed during the ejection of the card(s) 13.
As is shown in
The drum 2 can be placed in a security container 63 (
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|Mar 14, 2014||AS||Assignment|
Owner name: SHUFFLE MASTER GMBH & CO KG, AUSTRIA
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BLAHA, ERNST;KRENN, PETER;REEL/FRAME:032440/0395
Effective date: 20140306