US3834713A - Amusement and game board with automatic dice casting means - Google Patents

Amusement and game board with automatic dice casting means Download PDF

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Publication number
US3834713A
US3834713A US00322424A US32242473A US3834713A US 3834713 A US3834713 A US 3834713A US 00322424 A US00322424 A US 00322424A US 32242473 A US32242473 A US 32242473A US 3834713 A US3834713 A US 3834713A
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United States
Prior art keywords
dice
motor
game board
opening
casting
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Expired - Lifetime
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US00322424A
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English (en)
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Y Ito
K Suda
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Individual
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Individual
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C15/00—Generating random numbers; Lottery apparatus
    • 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
    • A63F9/00—Games not otherwise provided for
    • A63F9/04—Dice; Dice-boxes; Mechanical dice-throwing devices
    • A63F9/0406—Dice-throwing devices, e.g. dice cups

Definitions

  • An amusement and game board specifically incorporating an automatic dice shaking and casting device comprising in combination a dice shaking and casting section disposed with the head portion thereof to be exposed in one corner of the playing surface of the game board, wherein the dice casting section has an opening on the upper side thereof and also on one lateral side thereof facing the playing surface and a rotary disc disposed in the interior of that section to be driven by an electric motor in such a manner that it can start rotation in immediate response to the presence of a set of dice thrown thereupon by a switch adapted to serve to automatically close an electric circuit for the motor, a cam operated shutter adapted to normally close the side opening is appropriately correlated with the rotating motion of the motor so as to automatically open the side opening of the dice casting section and close it again, and another switch adapted to serve to automatically maintain the electric circuit for one complete operation and then open the electric circuit, thereby to accomplish the complete dice operation of the game board.
  • the present invention relates to an art in the field of the private indoor amusement and game means, and particularly to a novel and improved apparatus which is applicable to the amusement and game board for playing the games by using a chance mechanism such as a set of dice.
  • this invention is concerned with a compactly constructed device for shaking and casting a set of dice, which is designed to be incorporated in the amusement and game board in such a manner that there is provided a dice casting section which may be disposed appropriately in one corner of the game board, and equipped with automatically operable shutter means, and there is further provided a rotary disc in the interior of the above mentioned shutter means which disc is designed to automatically start rotation upon the manual casting of the dice in appropriate set, thereby to shake in rotation and cast the dice out to the game board so as to play the games by determining the total of the dices spots appearing by chance.
  • This invention is, in consideration of the above described fact, intended for realizing a new and practical amusement and game which includes a set of dice to be shaken and cast out to the game board to in play by counting the total number of the dices spots appearing by chance. It is a common practice for a set of dice of appropriate number to be manually shaken and cast by the game operator, either one of the participants in the game or the professional personnel of the gaming house, and a game is played by means of counting the total number of the dices spots appearing by chance upon casting.
  • an amusement and game board specifically incorporating an automatic dice shaking and casting device
  • a dice shaking and casting section disposed with the head portion thereof to be exposed in one corner of the playing surface of the game board, wherein the dice casting section has openings on the upper side thereof and also on one lateral side thereof facing the playing surface and a rotary disc disposed in the interior of that section to be driven by an electric motor in such a manner that it can start rotation in immediate response to the pres ence of a set of dice thrown thereupon, switch means adapted to serve to automatically close an electric circuit for the motor, shutter means adapted to be appropriately correlated with the rotating motion of the motor so as to automatically close and open the side opening of the dice casting section, and another switch means adapted to serve to automatically open the electric circuit, thereby to accomplish the complete dice operations of the game board.
  • FIG. 1 is a plan view showing one example of an amusement and game board embodying the present invention, particularly showing one exemplary location of an automatic dice shaking and casting device;
  • FIG. 2 is an elevational view showing the same example of an amusement and game board as in FIG. 1;
  • FIG. 3 is an enlarged side elevational view showing an automatic dice shaking and casting device according to this invention, in longitudinal section taken along the plane indicated by line IIIIII in FIG. 1;
  • FIG. 4 is an enlarged front elevational view showing the same dice shaking and casting device as in FIG. 3, in longitudinal section taken along the plane indicated by line IV-IV in FIG. 1, which line being at right angles with line III-III;
  • FIG. 5 is an enlarged front elevational view showing the same dice shaking and casting device as in FIG. 4, in longitudinal section taken along the plane indicated by line V-V in FIG. 1, which line being parallel to line
  • FIG. 6 is a fragmentary sectional view showing the same dice shaking and casting device as in FIG. 3 in transversal section taken along the plane indicated by line VIVI in FIG. 2;
  • FIG. 7 is a circuit diagram for the dice shaking and casting device used with a game board shown in FIG. 1.
  • FIGS. 1 and 2 showing a preferred embodiment of the amusement and game board according to the invention
  • a game board 1 complete for playing with a set of dice which is designed to be held horizontally by an appropriate set of legs 2.
  • the game board 1 in this preferred embodiment, comprises a base 3 having a smooth playing surface 4, and a surrounding rim 5 being disposed at an appropriately higher level than the playing surface 4.
  • the above mentioned surrounding rim 5 is so designed so as to prevent the dice being violently cast onto the playing surface from rebounding out of the surface.
  • This casting section 6 for automatically shaking and casting a set of dice onto the playing surface in one corner of the playing surface 4, which is as one example designed to a square shape.
  • This casting section 6 comprises a rotary mechanism and a shutter mechanism as main components thereof, the former is mechanically associated with a prime mover or an electric motor, in which the rotary mechanism is provided with the following arrangement.
  • a rotary disc 8 at the same level as that of the playing surface 4, which rotary disc has an appropriate number of projections 7 on the surface thereof so that the rotary disc may shake and eject out the dice through the shutter means when opened.
  • the dice casting section 6 incorporating the driving mechanism therein is, as shown in FIGS. 4 and 5, made up with a cylindrical frame structure which is molded as a unit with the surrounding rim 5, and furthermore, there is provided an inlet opening 9 for throwing-in the dice on the upper surface thereof.
  • an opening 10 designed to be entirely closed by shutter means, which will be described in more details hereinafter.
  • the above mentioned rotary disc 8 is provided with a vertical shaft 11, as now shown in FIGS.
  • a bearing hole 13 for the shaft 11 on the chassis 12 which bearing hole is designed to hold the shaft rotatably and axially slidably at the lower end thereof, so that when the shaft encounters the weight of the dice, the shaft will be lowered by this weight of the dice axially downwardly until the lower end of the shaft contacts with a contact 14 which is mounted on the chassis 12 through an appropriate insulating member 15.
  • the shaft 11 is provided with a large gear 20 and a pinion 20' of unitary or monoblock construction, as shown in FIG. 5, with which large gear driving gears 18, 19 are arranged to mesh directly or indirectly.
  • the pinion 20 is in mesh with another gear 21 for reducing a rotating speed with which a gear 22 for driving a cylindrical cam 24 is arranged to engage through a large gear 21, both gears 21 and 21 being of unitary construction.
  • gear trains for power transmission in this exemplary gearing arrangement i.e., one train comprising gears 18, 19 and 20 for reducing the rotating speed of a prime mover or an electric motor for the purpose of producing a required torque, and the other comprising gears 20, 21, 21 and 22 for further reducing the rotating speed for the other purpose as will be described hereinafter.
  • the gear 22 is installed on a sleeve shaft 23 which is mounted independently rotatably onto the shaft 1 1, therefore, when the gear 22 is driven to rotate, there occurs a rotation of the sleeve shaft 23 at a much slower rotational speed than that of the shaft 11 by function of the reduction gearing arranged inbetween.
  • a mounting seat as designated at 28 on the cylindrical cam 24 which seat is formed unitarily on the cam cylinder, and there is further provided an annular projection 28 on the outer circumference thereof.
  • a stop 26 on the middle portion of the shaft 11 for stopping the coil spring 27 which is to be compressively installed between this stop and the above mentioned rotary frame 25, so that the shaft 11 may be upwardly lifted positively and constantly by function of the resilient effort of the compressed spring.
  • the rotary frame 25 is made of metal which has a good electrical conductivity, and further there is provided a contact element 25 by making a projection at one point on the outer circumference thereof.
  • the cylindrical cam 24 is made of an insulating material such as plastic resin and the profile thereof is made to form a trapezoidal profile, as shown in FIGS.
  • a cam lever 34 following slidably the profile of the cam cylinder, as will further be described in the following, i.e., the cylindrical cam and the cam lever are arranged in such a mutual functional relationship that at any moment when the dice are thrown onto the rotary disc 8 so as to start the rotation of the motor, the shorter arm side of the cam lever 34 is lowered down to bottom position off the straight uppermost rim of the trapezoidal profile of the cylinder, or in other words, the longer arm side of the cam lever is kept in an elevated position as viewed in FIG. 3 by the function of the spring 35 so that the shutter 36 may be lifted upwardly so as to close the side opening of the dice casting section.
  • the functional relationship between the annular projection 28 on the cylindrical cam 24 and the annular contact element on the rotary frame is such, as illustrated in FIG. 6, that either of the annular projection or the annular contact element will always be projected radially outwardly.
  • a contact shoe 29 which is disposed so as to correspondingly contact from outside with either annular projection or annular contact element.
  • This contact shoe is installed on the chassis 12 electrically insulated through a mounting member and a holding frame 31, and is arranged to become electrically active upon contact with the contact element 25A of metal as the cylindrical cam 24 rotates in the meantime. In such a manner, there is provided an electric switching function between the rotary frame 25 and the contact shoe 29 which is operable according to the rotating motion of the cylindrical cam 24.
  • the cylindrical cam 24 having a profile of trapezoidal shape is designed to correspondingly cooperate in functional relationship with the cam lever 34, wherein the cam lever 34 is pivotally mounted on a bearing 32 which is installed above the holding frame 31 by means of an axis 33 to let the cam lever move swingably thereby.
  • a coil spring at the leading end of the shorter arm section of the cam lever 34, while the outer free end of the longer arm section on the lever is engaged with an engaging hole 36 being provided on a sectorlike shutter plate.
  • This shutter 36 is designed, as described hereinbefore, so as to entirely close or open the whole area of the opening 10 of the frame structure which forms the dice shaking and casting section 6.
  • the shutter 36 comprises a sector-shaped plate when viewed in plan, and the both ends thereof are held in position by guide frames 37, 38, etc. so that the shutter may be slidably moved up and down, more particularly, the shutter may be lifted upwardly to close and lowered downwardly to open the opening 10 of the dice casting section 6 to the level of the playing surface 4 when so required during the course of the play.
  • an electric motor as designated at 17 which is driven by electricity from a power source, for example, such as a dry battery.
  • a power source for example, such as a dry battery.
  • This battery is appropriately housed inside the game board 1, and the electric power is to be supplied to the motor 17 by a typical circuit as shown in FIG. 7, which includes two appropriate singlethrow type switches being disposed in parallel as indicated at SW, and SW
  • the switch SW comprises the shaft 11 and the contact 14, while the other switch SW comprises the rotary frame 25 and the contact shoe 29 corresponding thereto.
  • the shutter 36 in the dice casting section 6 is to be priorly set at a state of closing opening 10, and then an appropriate set of dice will be thrown into the dice throwing-in opening 9.
  • the dice are now placed onto the rotary disc 8, then the rotary disc 8 will be lowered according to a given weight of the dice together with the shaft I1 down to a lower position overcoming the resilient force of the coil spring 27.
  • the lower end of the shaft 11 will then be caused to contact with the contact 14, thereby to close the circuit including the switch SW therein, as shown in FIG. 7, and start the rotating motion of the electric motor 17.
  • the contact shoe 29' Prior to this rotating motion on such driven mechanism, particularly the cylindrical cam 24, the contact shoe 29' is set in an insulated state from the chassis l2, i.e., the contact shoe 29 is in a conductive state with the annular projection 28', therefore the switch SW is in an opened state.
  • the motor 17 is kept in rotation by electricity through a circuit route established by the closing of the switch SW which is set closed by the shaft 11 under the weight of the dice.
  • the rotary disc 8 is kept rotating for a moment, however, the tossing motion of the dice being impinged by the projections 7 of the rotary disc will become so active and violent that the weight of the dice on the rotary disc may now be kept or departed away from the disc surface until the shaft 11 does not dowel stably on the contact 14, thus resulting in unstable on-and-off contacts on the part of the contact maker 14, or unstable power supply to the motor.
  • the shutter 36 is caused to be lowered downwardly to a lowermost position by the free end of the other longer arm section of the cam lever 34, which is cooperatively disposed to engage in the hole 36' on the surface of the shutter plate, thus the opening 10 is entirely set open.
  • the dice being violently tossed around on the rotary disc 8 within the dice casting section 6 will then be rushed out to the playing surface 4 from the above mentioned opening 10 owing to the high-speed rotating motion of the rotary disc 8 which has been continuously kept throughout the above described operating stages.
  • the dice are rushed out to the playing surface 4 so that upon stopping there turn out to be specific spots of the dice in combination by chance with a proper accidentalism entirely free from any artificial control.
  • the rotary disc 8 will continue its rotating motion, with which there continues rotation of the cylindrical cam 24 accordingly until the cam lever 34 will at last drop out of the uppermost rim surface of the cylindrical cam 24 at the cliff-out end of such surface.
  • the cam lever 34 will abruptly be caused to get lowered, more particularly, moved rotatably counter-clockwise around the axis 33 in FIG. 3, by function of the extended coil spring 35, whereby the shutter which was then kept lowered to the level of the playing surface 4 will be simultaneously lifted upwardly so as to entirely close the opening 10.
  • the contact shoe 29 is caused to meet with the annular projection 28 of non-conductivity material, thereby to set open the switch SW so as to cut away the power supply to the motor 17, then the whole driving mechanism of the dice casting section 6 is caused to stop.
  • the present invention is intended for providing a new and improved apparatus for amusement and games using a set of dice, which features such advantageous characteristics as follows:
  • a dice shaking and casting device in an amusement and game board comprising a game board having a horizontal playing surface, a set of dice of appropriate number, an automatic dice shaking and casting section disposed in the head portion of the game board and exposed in one corner of said playing surface, said dice casting section having an opening on the upper side thereof and an opening on one lateral side facing said playing surface, an electric motor, a rotary disc connected to and to be driven by said electric motor, said rotary disc being rotatably and slidably supported, resilient means tending to raise said disc, but capable of being lowered in immediate response to the presence of the set of dice thrown on said disc; first switch means capable of automatically closing the electric circuit for said motor and operable by the lowering of said disc upon throwing of said dice thereon so as to actuate said motor and rotate said rotary disc; shutter means disposed adjacent to and normally closing said opening and operatively connected to said motor for being appropriately correlated with the rotating motion of said motor so as to automatically open the side opening area of said dice casting section at an appropriately predetermined interval after the dice
  • a dice shaking and casting device wherein a shaft is connected to said disc, said first switch means comprises the lower end of said shaft of said rotary disc and a contact positioned for being engaged by said shaft to close said circuit to start said a cylindrical cam having a trapezoidal profile and a cam lever operatively connected to said cam and said shutter means for opening and closing said side opening at an interval and timing as required.

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US00322424A 1972-03-07 1973-01-10 Amusement and game board with automatic dice casting means Expired - Lifetime US3834713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47022752A JPS5024651B2 (enrdf_load_stackoverflow) 1972-03-07 1972-03-07

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227182A (en) * 1989-01-23 1990-07-25 Marvin Glass & Associates Word forming action game
US20100059933A1 (en) * 2008-09-10 2010-03-11 Aruze Gaming America, Inc. Gaming machine that randomly determines oscillation mode of table for rolling dice
TWI503152B (zh) * 2010-11-26 2015-10-11 Chia Wen Wu Automatic dice device
US20150343303A1 (en) * 2014-05-28 2015-12-03 Douglass A. HILL Random number generator
US9227134B1 (en) 2014-11-05 2016-01-05 Nqds, Llc Gaming table apparatus
USD763363S1 (en) 2014-11-05 2016-08-09 Nqds, Llc Gaming table

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1554165A (en) * 1924-02-08 1925-09-15 William O Mcelroy Amusement device
US1594016A (en) * 1926-03-25 1926-07-27 Marshall Frederick Game apparatus
US2212736A (en) * 1939-06-05 1940-08-27 New Era Sales Machine Company Amusement device
GB1226969A (enrdf_load_stackoverflow) * 1967-10-24 1971-03-31
US3684291A (en) * 1970-06-08 1972-08-15 Frank T Johmann Dice throwing doll

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1554165A (en) * 1924-02-08 1925-09-15 William O Mcelroy Amusement device
US1594016A (en) * 1926-03-25 1926-07-27 Marshall Frederick Game apparatus
US2212736A (en) * 1939-06-05 1940-08-27 New Era Sales Machine Company Amusement device
GB1226969A (enrdf_load_stackoverflow) * 1967-10-24 1971-03-31
US3684291A (en) * 1970-06-08 1972-08-15 Frank T Johmann Dice throwing doll

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227182A (en) * 1989-01-23 1990-07-25 Marvin Glass & Associates Word forming action game
US20100059933A1 (en) * 2008-09-10 2010-03-11 Aruze Gaming America, Inc. Gaming machine that randomly determines oscillation mode of table for rolling dice
US8215640B2 (en) * 2008-09-10 2012-07-10 Aruze Gaming America, Inc. Gaming machine that randomly determines oscillation mode of table for rolling dice
TWI503152B (zh) * 2010-11-26 2015-10-11 Chia Wen Wu Automatic dice device
US20150343303A1 (en) * 2014-05-28 2015-12-03 Douglass A. HILL Random number generator
US9227134B1 (en) 2014-11-05 2016-01-05 Nqds, Llc Gaming table apparatus
USD763363S1 (en) 2014-11-05 2016-08-09 Nqds, Llc Gaming table

Also Published As

Publication number Publication date
JPS4892134A (enrdf_load_stackoverflow) 1973-11-30
JPS5024651B2 (enrdf_load_stackoverflow) 1975-08-18

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