US2757005A - Card shuffling device - Google Patents
Card shuffling device Download PDFInfo
- Publication number
- US2757005A US2757005A US230095A US23009551A US2757005A US 2757005 A US2757005 A US 2757005A US 230095 A US230095 A US 230095A US 23009551 A US23009551 A US 23009551A US 2757005 A US2757005 A US 2757005A
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- cards
- card
- lid
- stacks
- card shuffling
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F1/00—Card games
- A63F1/06—Card games appurtenances
- A63F1/12—Card shufflers
Definitions
- One of the principal objects of my invention is to provide a card shufliing device of extremely simple construction that will shuffle ordinary playing cards in an eflicienl and effective manner.
- Another object is to provide a device of the foregoing character that can be manufactured from inexpensive and light-weight materials, such as plastic or wood.
- Still another feature of the invention resides in the provision of a card shuffier that will shuflle almost any number of cards, limited only by the inherent inability of extremely thick decks to properly flex.
- my device will readily accommodate double decks, such as are commonly used in the playing of Canasta and the like.
- I have employed my device in the shufiling of four conventional decks of fifty-two cards per deck, this being possible when the cards are of fairly high quality and therefore relatively flexible.
- a still further object is to provide a card shuffler that will not subject the cards to more than the ordinary amount of wear experienced in manual shufiling.
- Figure 1 is an end view of my device with its lid shown in raised position
- Figure 2 is a front elevation corresponding to Figure 1, and depicting a divided deck of cards ready for shuflling.
- Figure 3 is an elevational view showing the cards in the process of being shuflled
- Figure 4 is a similar view but showing the cards in a fully shuffled condition.
- my card shufiling device includes an open front box comprised of a bottom wall panel 10, a pair of spaced end wall panels 12 and 14, and a rear wall panel 16. These panels may be molded in one piece, or may constitute a plurality of pieces held together by screws or an adhesive.
- the blocks 22 and 24 are preferably as long as the cards are wide, and are provided with a horizontal section 26 and a sloping section 28. In this way the ends of the lowermost cards may rest on the surface 26, yet when large decks are shuffled the sloping surface 28 will permit the lowermost cards to assume a downwardly inclined position after their upper edges have been permitted to fall, as will presently become more apparent.
- a block element 30 that preferably has a rectangular cross-section to thereby present two flat parallel surfaces 32 and 34.
- the block 30 projects from the inner surface of the rear wall 16 adjacent the walls upper edge, and it will be observed that the shortest distance between the surfaces 32 and 34 to the 2,757,005 Patented July 31, 1956 surface 26 on both of the lower blocks 22 and 24 is slightly less than the length of playing card.
- a lid 36 is pivotally attached to the rear wall 16 by means of a pair of hinges 38 and 40.
- On the underneath side of the lid 36 are suitably affixed or molded a pair of spaced earns 42 and 44.
- These blocks or cams 42 and 44 are designed to abut the uppermost card of each stack 18 and 20 in a manner to flex each stack when a downward force is applied to the lid 36.
- the cams 42 and 44 may be rounded at 46, the portion which first engages the cards. From Figure 1 it will be noted that each cam 42 and 44 is inclined downwardly when the lid is vertical. By virtue of such an inclination the flat bottom 48 of each cam will literally be rolled into contact with the cards as the lid is pivoted into the closed position illustrated in Figure 4.
- a card shuffler comprising connected bottom, rear and end walls, a pair of spaced fixed block members having sloping top surfaces disposed adjacent the respective junctures of said end walls and said bottom wall, a centrally disposed non-resilient block member having flat parallel surfaces projecting from the inner surface of said rear wall adjacent its upper edge, a lid hinged to the upper edge of said rear wall and extending between and overlapping said end walls, and a pair of spaced block members depending from the underneath side of said lid.
Description
United States Patent 2,757,005 CARD SHUFFLING DEVICE Fred W. Nothaft, Minneapolis, Minn. Application June 6, 1951, Serial No. 230,095 '1 Claim. (Cl. 273149) This invention relates to mechanical card shuflling devices.
One of the principal objects of my invention is to provide a card shufliing device of extremely simple construction that will shuffle ordinary playing cards in an eflicienl and effective manner.
Another object is to provide a device of the foregoing character that can be manufactured from inexpensive and light-weight materials, such as plastic or wood.
Still another feature of the invention resides in the provision of a card shuffier that will shuflle almost any number of cards, limited only by the inherent inability of extremely thick decks to properly flex. In this connection, it is to be expressly understood that my device will readily accommodate double decks, such as are commonly used in the playing of Canasta and the like. Actually, I have employed my device in the shufiling of four conventional decks of fifty-two cards per deck, this being possible when the cards are of fairly high quality and therefore relatively flexible.
A still further object is to provide a card shuffler that will not subject the cards to more than the ordinary amount of wear experienced in manual shufiling.
Other advantages of this invention will be apparent from the following detailed description when read in conjunction with the accompanying drawing, wherein:
Figure 1 is an end view of my device with its lid shown in raised position;
Figure 2 is a front elevation corresponding to Figure 1, and depicting a divided deck of cards ready for shuflling.
Figure 3 is an elevational view showing the cards in the process of being shuflled, and
Figure 4 is a similar view but showing the cards in a fully shuffled condition.
Referring now to the drawings, my card shufiling device includes an open front box comprised of a bottom wall panel 10, a pair of spaced end wall panels 12 and 14, and a rear wall panel 16. These panels may be molded in one piece, or may constitute a plurality of pieces held together by screws or an adhesive.
To form a ledge upon which the bottom edges of a split deck of cards constituting the two stacks 18 and 20 may rest, I situate a pair of block elements 22 and 24 adjacent the juncture of each end wall 12 and 14 with the bottom wall 10. The blocks 22 and 24 are preferably as long as the cards are wide, and are provided with a horizontal section 26 and a sloping section 28. In this way the ends of the lowermost cards may rest on the surface 26, yet when large decks are shuffled the sloping surface 28 will permit the lowermost cards to assume a downwardly inclined position after their upper edges have been permitted to fall, as will presently become more apparent.
In order to releasably support the upper ends of the stacks 18 and 20, I employ a block element 30 that preferably has a rectangular cross-section to thereby present two flat parallel surfaces 32 and 34. The block 30 projects from the inner surface of the rear wall 16 adjacent the walls upper edge, and it will be observed that the shortest distance between the surfaces 32 and 34 to the 2,757,005 Patented July 31, 1956 surface 26 on both of the lower blocks 22 and 24 is slightly less than the length of playing card. It has been determined that if the block 30 is approximately threefourths of an inch wide and at such an elevation with respect to the blocks 22 and 24 to support the stacks 18 and 20 at a forty-five degree angle, then the cards will be shuflied with about a one-quarter inch interleavement of their margins. It will of course be understood that the foregoing dimensions are only suggestive, being applicable for the standard three and one-half inch deck of cards.
A lid 36 is pivotally attached to the rear wall 16 by means of a pair of hinges 38 and 40. On the underneath side of the lid 36 are suitably affixed or molded a pair of spaced earns 42 and 44. These blocks or cams 42 and 44 are designed to abut the uppermost card of each stack 18 and 20 in a manner to flex each stack when a downward force is applied to the lid 36. To prevent damage to the cards the cams 42 and 44 may be rounded at 46, the portion which first engages the cards. From Figure 1 it will be noted that each cam 42 and 44 is inclined downwardly when the lid is vertical. By virtue of such an inclination the flat bottom 48 of each cam will literally be rolled into contact with the cards as the lid is pivoted into the closed position illustrated in Figure 4.
It is thought that the operation of my card shuflling device is obvious from the foregoing description. The pack of cards to be shuflled is first split into the two stacks 18 and 20, which stacks should each contain roughly the same number of cards. The two stacks 18 and 20 are then placed in the position shown in Figure 2, and the lid 36 is pivoted into the closed position illustrated in Figure 4, Figure 3 depicting the lid in an intermediate position, which position discloses some of the cards still unshufiled. As the lid 36 is closed the pressural action of the cams 42 and 44 will slightly flex the stacks 18 and 20 so that the upper ends of the cards will successively become disengaged from the block 30. No damage to the cards results during this procedure and after the cards have been urged into the interleaved position shown in Figure 4, they are removed from the device and simply pushed together to form once again the single pack which may then be dealt to the various players.
In accordance with the patent statutes, I have described the principles of construction and operation of my card shufiiing apparatus, and while I have endeavored to set forth the best embodiment thereof, I desire to have it understood that obvious changes may be made within the scope of the following claim without departing from the spirit of my invention.
I claim:
A card shuffler comprising connected bottom, rear and end walls, a pair of spaced fixed block members having sloping top surfaces disposed adjacent the respective junctures of said end walls and said bottom wall, a centrally disposed non-resilient block member having flat parallel surfaces projecting from the inner surface of said rear wall adjacent its upper edge, a lid hinged to the upper edge of said rear wall and extending between and overlapping said end walls, and a pair of spaced block members depending from the underneath side of said lid.
References Cited in the file of this patent UNITED STATES PATENTS 1,846,063 Matthaey Feb. 23, 1932 2,676,020 Ogden Apr. 20, 1954 FOREIGN PATENTS 6,968 Great Britain 1890 29,288 Great Britain 1913
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US230095A US2757005A (en) | 1951-06-06 | 1951-06-06 | Card shuffling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US230095A US2757005A (en) | 1951-06-06 | 1951-06-06 | Card shuffling device |
Publications (1)
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US2757005A true US2757005A (en) | 1956-07-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US230095A Expired - Lifetime US2757005A (en) | 1951-06-06 | 1951-06-06 | Card shuffling device |
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Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807884A (en) * | 1987-12-28 | 1989-02-28 | Shuffle Master, Inc. | Card shuffling device |
US20020063389A1 (en) * | 1994-08-09 | 2002-05-30 | Breeding John G. | Card shuffler with sequential card feeding module and method of delivering groups of cards |
US6568678B2 (en) | 1994-08-09 | 2003-05-27 | Shuffle Master, Inc. | Method and apparatus for automatically cutting and shuffling playing cards |
US20050140090A1 (en) * | 1994-08-09 | 2005-06-30 | Shuffle Master, Inc. | Card shuffler with jam recovery and display |
US20060066048A1 (en) * | 2004-09-14 | 2006-03-30 | Shuffle Master, Inc. | Magnetic jam detection in a card shuffler |
US7946586B2 (en) | 2000-04-12 | 2011-05-24 | Shuffle Master Gmbh & Co Kg | Swivel mounted card handling device |
US7976023B1 (en) | 2002-02-08 | 2011-07-12 | Shuffle Master, Inc. | Image capturing card shuffler |
US8590896B2 (en) | 2000-04-12 | 2013-11-26 | Shuffle Master Gmbh & Co Kg | Card-handling devices and systems |
US9220971B2 (en) | 2006-05-31 | 2015-12-29 | Bally Gaming, Inc. | Automatic system and methods for accurate card handling |
US9220972B2 (en) | 2001-09-28 | 2015-12-29 | Bally Gaming, Inc. | Multiple mode card shuffler and card reading device |
US9233298B2 (en) | 2009-04-07 | 2016-01-12 | Bally Gaming, Inc. | Playing card shuffler |
US9259640B2 (en) | 2007-06-06 | 2016-02-16 | Bally Gaming, Inc. | Apparatus, system, method, and computer-readable medium for casino card handling with multiple hand recall feature |
US9266011B2 (en) | 1997-03-13 | 2016-02-23 | Bally Gaming, Inc. | Card-handling devices and methods of using such devices |
US9266012B2 (en) | 1998-04-15 | 2016-02-23 | Bally Gaming, Inc. | Methods of randomizing cards |
CN105413152A (en) * | 2015-11-11 | 2016-03-23 | 范贺 | Shuffling device |
US9320964B2 (en) | 2006-11-10 | 2016-04-26 | Bally Gaming, Inc. | System for billing usage of a card handling device |
US9345951B2 (en) | 2001-09-28 | 2016-05-24 | Bally Gaming, Inc. | Methods and apparatuses for an automatic card handling device and communication networks including same |
US9345952B2 (en) | 2006-03-24 | 2016-05-24 | Shuffle Master Gmbh & Co Kg | Card handling apparatus |
US9370710B2 (en) | 1998-04-15 | 2016-06-21 | Bally Gaming, Inc. | Methods for shuffling cards and rack assemblies for use in automatic card shufflers |
US9378766B2 (en) | 2012-09-28 | 2016-06-28 | Bally Gaming, Inc. | Card recognition system, card handling device, and method for tuning a card handling device |
US9387390B2 (en) | 2005-06-13 | 2016-07-12 | Bally Gaming, Inc. | Card shuffling apparatus and card handling device |
USD764599S1 (en) | 2014-08-01 | 2016-08-23 | Bally Gaming, Inc. | Card shuffler device |
US9452346B2 (en) | 2001-09-28 | 2016-09-27 | Bally Gaming, Inc. | Method and apparatus for using upstream communication in a card shuffler |
US9474957B2 (en) | 2014-05-15 | 2016-10-25 | Bally Gaming, Inc. | Playing card handling devices, systems, and methods for verifying sets of cards |
US9504905B2 (en) | 2014-09-19 | 2016-11-29 | Bally Gaming, Inc. | Card shuffling device and calibration method |
US9511274B2 (en) | 2012-09-28 | 2016-12-06 | Bally Gaming Inc. | Methods for automatically generating a card deck library and master images for a deck of cards, and a related card processing apparatus |
US9539494B2 (en) | 2009-04-07 | 2017-01-10 | Bally Gaming, Inc. | Card shuffling apparatuses and related methods |
US9566501B2 (en) | 2014-08-01 | 2017-02-14 | Bally Gaming, Inc. | Hand-forming card shuffling apparatuses including multi-card storage compartments, and related methods |
US9623317B2 (en) | 2006-07-05 | 2017-04-18 | Bally Gaming, Inc. | Method of readying a card shuffler |
US9713761B2 (en) | 2011-07-29 | 2017-07-25 | Bally Gaming, Inc. | Method for shuffling and dealing cards |
US9731190B2 (en) | 2011-07-29 | 2017-08-15 | Bally Gaming, Inc. | Method and apparatus for shuffling and handling cards |
US9764221B2 (en) | 2006-05-31 | 2017-09-19 | Bally Gaming, Inc. | Card-feeding device for a card-handling device including a pivotable arm |
US9802114B2 (en) | 2010-10-14 | 2017-10-31 | Shuffle Master Gmbh & Co Kg | Card handling systems, devices for use in card handling systems and related methods |
US9849368B2 (en) | 2012-07-27 | 2017-12-26 | Bally Gaming, Inc. | Batch card shuffling apparatuses including multi card storage compartments |
US9993719B2 (en) | 2015-12-04 | 2018-06-12 | Shuffle Master Gmbh & Co Kg | Card handling devices and related assemblies and components |
US10022617B2 (en) | 2001-09-28 | 2018-07-17 | Bally Gaming, Inc. | Shuffler and method of shuffling cards |
US10279245B2 (en) | 2014-04-11 | 2019-05-07 | Bally Gaming, Inc. | Method and apparatus for handling cards |
US10339765B2 (en) | 2016-09-26 | 2019-07-02 | Shuffle Master Gmbh & Co Kg | Devices, systems, and related methods for real-time monitoring and display of related data for casino gaming devices |
US10532272B2 (en) | 2001-09-28 | 2020-01-14 | Bally Gaming, Inc. | Flush mounted card shuffler that elevates cards |
US10933300B2 (en) | 2016-09-26 | 2021-03-02 | Shuffle Master Gmbh & Co Kg | Card handling devices and related assemblies and components |
US11173383B2 (en) | 2019-10-07 | 2021-11-16 | Sg Gaming, Inc. | Card-handling devices and related methods, assemblies, and components |
US11338194B2 (en) | 2018-09-28 | 2022-05-24 | Sg Gaming, Inc. | Automatic card shufflers and related methods of automatic jam recovery |
US11376489B2 (en) | 2018-09-14 | 2022-07-05 | Sg Gaming, Inc. | Card-handling devices and related methods, assemblies, and components |
US11898837B2 (en) | 2019-09-10 | 2024-02-13 | Shuffle Master Gmbh & Co Kg | Card-handling devices with defect detection and related methods |
US11896891B2 (en) | 2018-09-14 | 2024-02-13 | Sg Gaming, Inc. | Card-handling devices and related methods, assemblies, and components |
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GB191329288A (en) * | 1913-12-19 | 1914-12-17 | Frank Bowley Mitchell | Improvements in and relating to Card Shuffling or Mixing Apparatus and the like. |
US1846063A (en) * | 1929-05-06 | 1932-02-23 | Paul E Matthaey | Card shuffler |
US2676020A (en) * | 1950-01-16 | 1954-04-20 | Floyd H Ogden | Card shuffling device |
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- 1951-06-06 US US230095A patent/US2757005A/en not_active Expired - Lifetime
Patent Citations (3)
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GB191329288A (en) * | 1913-12-19 | 1914-12-17 | Frank Bowley Mitchell | Improvements in and relating to Card Shuffling or Mixing Apparatus and the like. |
US1846063A (en) * | 1929-05-06 | 1932-02-23 | Paul E Matthaey | Card shuffler |
US2676020A (en) * | 1950-01-16 | 1954-04-20 | Floyd H Ogden | Card shuffling device |
Cited By (103)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807884A (en) * | 1987-12-28 | 1989-02-28 | Shuffle Master, Inc. | Card shuffling device |
US20020063389A1 (en) * | 1994-08-09 | 2002-05-30 | Breeding John G. | Card shuffler with sequential card feeding module and method of delivering groups of cards |
US6568678B2 (en) | 1994-08-09 | 2003-05-27 | Shuffle Master, Inc. | Method and apparatus for automatically cutting and shuffling playing cards |
US20050140090A1 (en) * | 1994-08-09 | 2005-06-30 | Shuffle Master, Inc. | Card shuffler with jam recovery and display |
US7584962B2 (en) | 1994-08-09 | 2009-09-08 | Shuffle Master, Inc. | Card shuffler with jam recovery and display |
US9266011B2 (en) | 1997-03-13 | 2016-02-23 | Bally Gaming, Inc. | Card-handling devices and methods of using such devices |
US9266012B2 (en) | 1998-04-15 | 2016-02-23 | Bally Gaming, Inc. | Methods of randomizing cards |
US9370710B2 (en) | 1998-04-15 | 2016-06-21 | Bally Gaming, Inc. | Methods for shuffling cards and rack assemblies for use in automatic card shufflers |
US9861881B2 (en) | 1998-04-15 | 2018-01-09 | Bally Gaming, Inc. | Card handling apparatuses and methods for handling cards |
US9561426B2 (en) | 1998-04-15 | 2017-02-07 | Bally Gaming, Inc. | Card-handling devices |
US7946586B2 (en) | 2000-04-12 | 2011-05-24 | Shuffle Master Gmbh & Co Kg | Swivel mounted card handling device |
US9126103B2 (en) | 2000-04-12 | 2015-09-08 | Shuffle Master Gmbh & Co Kg | Card-handling devices and systems |
US10456659B2 (en) | 2000-04-12 | 2019-10-29 | Shuffle Master Gmbh & Co Kg | Card handling devices and systems |
US8590896B2 (en) | 2000-04-12 | 2013-11-26 | Shuffle Master Gmbh & Co Kg | Card-handling devices and systems |
US9345951B2 (en) | 2001-09-28 | 2016-05-24 | Bally Gaming, Inc. | Methods and apparatuses for an automatic card handling device and communication networks including same |
US10226687B2 (en) | 2001-09-28 | 2019-03-12 | Bally Gaming, Inc. | Method and apparatus for using upstream communication in a card shuffler |
US10022617B2 (en) | 2001-09-28 | 2018-07-17 | Bally Gaming, Inc. | Shuffler and method of shuffling cards |
US10532272B2 (en) | 2001-09-28 | 2020-01-14 | Bally Gaming, Inc. | Flush mounted card shuffler that elevates cards |
US10086260B2 (en) | 2001-09-28 | 2018-10-02 | Bally Gaming, Inc. | Method and apparatus for using upstream communication in a card shuffler |
US10004976B2 (en) | 2001-09-28 | 2018-06-26 | Bally Gaming, Inc. | Card handling devices and related methods |
US9452346B2 (en) | 2001-09-28 | 2016-09-27 | Bally Gaming, Inc. | Method and apparatus for using upstream communication in a card shuffler |
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US7976023B1 (en) | 2002-02-08 | 2011-07-12 | Shuffle Master, Inc. | Image capturing card shuffler |
US9333415B2 (en) | 2002-02-08 | 2016-05-10 | Bally Gaming, Inc. | Methods for handling playing cards with a card handling device |
US8720891B2 (en) | 2002-02-08 | 2014-05-13 | Shfl Entertainment, Inc. | Image capturing card shuffler |
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US20060066048A1 (en) * | 2004-09-14 | 2006-03-30 | Shuffle Master, Inc. | Magnetic jam detection in a card shuffler |
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US9922502B2 (en) | 2007-06-06 | 2018-03-20 | Balley Gaming, Inc. | Apparatus, system, method, and computer-readable medium for casino card handling with multiple hand recall feature |
US9259640B2 (en) | 2007-06-06 | 2016-02-16 | Bally Gaming, Inc. | Apparatus, system, method, and computer-readable medium for casino card handling with multiple hand recall feature |
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