A playing card handling system includes a pivoting pair of jaws to retrieve playing cards from a playing card receiver, for example a carousel. The rotational or angular velocity of a picker may be approximately equal to a rotational or angular velocity of a pickup roller, as the picker approaches
A playing card handling system includes a pivoting pair of jaws to retrieve playing cards from a playing card receiver, for example a carousel. The rotational or angular velocity of a picker may be approximately equal to a rotational or angular velocity of a pickup roller, as the picker approaches the pickup roller.
대표청구항▼
The invention claimed is: 1. A picker mechanism for use in a playing card handling device, the picker comprising: a body mounted for pivotal movement about a body rotational axis; a first jaw physically coupled to the body for pivotal movement therewith about the body rotational axis, the first jaw
The invention claimed is: 1. A picker mechanism for use in a playing card handling device, the picker comprising: a body mounted for pivotal movement about a body rotational axis; a first jaw physically coupled to the body for pivotal movement therewith about the body rotational axis, the first jaw having a playing card engagement surface; a second jaw physically coupled to the body for movement therewith about the body rotational axis, the second jaw having a playing card engagement surface opposed to the playing card engagement surface of the first jaw, the second jaw being selectively moveable with respect to the first jaw between a closed position where at least the respective playing card engagement surfaces of the first and the second jaws are proximate one another, and an opened position where the playing card engagement surfaces of the first and the second jaws are spaced apart from one another relative to the closed position; a first actuator coupled to selectively pivotally drive the body about the body rotational axis; and a second actuator coupled to selectively move the second jaw relative to the first jaw between the opened and the closed positions. 2. The picker of claim 1 wherein a playing card movement path is formed between an inner and an outer edge of the first and the second jaws, whereby a playing card received at the inner edges of the first and the second jaws exits via the outer edges of the first and the second jaws. 3. The picker of claim 1 wherein in the closed position an inner edge portion of the first jaw is spaced from an inner edge portion of the second jaw by a first distance, and wherein an outer edge portion of the first jaw is spaced from an outer edge portion of the second jaw by a second distance greater than the first distance. 4. The picker of claim 3 wherein the first distance is approximately equal to a thickness of a playing card, and the second distance is greater than the thickness of the playing card. 5. The picker of claim 3 wherein at least one of the first or the second jaws includes a peaked surface opposed to the other one of the first or the second jaws, wherein the inner and the outer edge portions slope toward a peak. 6. The picker of claim 5 wherein the peaked surface of at least one of the first and the second jaws includes an arcuate surface. 7. The picker of claim 1 wherein the first and the second jaws each comprise respective opposed arcuate surfaces, the respective card engagement surfaces of the first and the second jaws being a point on arcuate surfaces at which the distance between the first and the second jaws is minimum in the closed position. 8. The picker of claim 1, further comprising: a pair of opposed pickup rollers, at least one of the pickup rollers rotatably driven at a first rotational velocity, the pickup rollers positioned to frictionally engage a leading edge of a playing card held between the first and the second jaws in the closed position, at a withdrawn position of the body. 9. The picker of claim 8 wherein a rotational velocity of the jaws about the body axis of rotation approximately matches a rotational velocity of at least one of the pickup rollers. 10. The picker of claim 1 wherein the body further comprises a first set of teeth, and wherein the first actuator comprises a second set of teeth enmeshing with the first set of teeth. 11. The picker of claim 1 wherein the first actuator comprises an electric motor and the second actuator comprises a solenoid. 12. A playing card handling device, comprising: a carousel of compartments mounted for pivotal movement about a carousel rotational axis, each of the compartments sized to receive a playing card; a first jaw having a playing card engagement surface; a second jaw having a playing card engagement surface opposed to the playing card engagement surface of the first jaw, the second jaw being selectively moveable with respect to the first jaw between a closed position where at least the respective playing card engagement surfaces of the first and the second jaws are proximate one another, and an opened position where the playing card engagement surfaces of the first and the second jaws are spaced apart from one another relative to the closed position, and wherein the first and the second jaws are physically coupled for pivotal movement about a picker rotational axis that is parallel to the carousel rotational axis between a first position where the playing card engagement surfaces of the first and the second jaws engage at least a portion of a playing card while the playing card is not partially or fully withdrawn from one of the compartments of the carousel and a second position where the playing card is at least partially withdrawn from the compartment of the carousel; a first actuator coupled to selectively pivotally drive the body about the picker rotational axis; and a second actuator coupled to selectively move the second jaw relative to the first jaw between the opened and the closed positions. 13. The playing card handling device of claim 12 wherein a playing card movement path is formed between an inner and an outer edge of the first and the second jaws, whereby a playing card received at the inner edges of the first and the second jaws exits via the outer edges of the first and the second jaws. 14. The playing card handling device of claim 12 wherein the first and the second jaws each comprise respective opposed arcuate surfaces, the respective card engagement surfaces of the first and the second jaws being a point on arcuate surfaces at which the distance between the first and the second jaws is minimum in the closed position. 15. The playing card handling device of claim 12, further comprising: a pair of opposed pickup rollers, at least one of the pickup rollers rotatably driven at a first rotational velocity, the pickup rollers positioned to frictionally engage a leading edge of a playing card held between the first and the second jaws in the closed position, at or proximate the second position of the first and the second jaws. 16. The playing card handling device of claim 15 wherein a rotational velocity of the jaws about the body axis of rotation approximately matches a rotational velocity of at least one of the pickup rollers as the first and the second jaws approach the second position. 17. The playing card handling device of claim 12, further comprising: a first set of teeth physically coupled to the first and the second jaws, wherein the first actuator comprises a second set of teeth enmeshing with the first set of teeth. 18. The playing card handling device of claim 17 wherein the first actuator comprises an electric motor and the second actuator comprises a solenoid. 19. A method of handling playing cards in a playing card handling device, the method comprising: pivoting a pair of jaws to a playing card engagement position proximate a playing card receiver; closing the pairs of jaws at the playing card engagement position to physically engage a portion of a playing card residing at least partially in a portion of the playing card receiver; rotating at least one pickup roller at a first rotational velocity; pivoting the pair of jaws to a playing card pickup position where the at least one pickup roller frictionally engages at least a portion of the playing card; and allowing the at least one pickup roller to extricate the playing card from the pair of jaws. 20. The method of claim 19, further comprising: opening the pair of jaws at approximately a same time that the at least one pickup roller frictionally engages at least a portion of the playing card. 21. The method of claim 19, further comprising: opening the pair of jaws after the at least one pickup roller frictionally engages the playing card. 22. The method of claim 19 wherein pivoting a pair of jaws to a playing card engagement position comprises applying a control signal that causes a rotor of an electric motor to rotate in a first direction and wherein pivoting the pair of jaws to a playing card pickup position comprises applying a control signal that causes the rotor of the electric motor to rotate in a second direction, opposite the first direction. 23. The method of claim 19 wherein pivoting the pair of jaws to a playing card pickup position comprises pivoting the jaws about a picker axis that is at least approximately parallel with a pickup roller axis about which the at least one pickup roller rotates. 24. The method of claim 23 wherein the pair of jaws have a rotational velocity proximate the playing card pickup position that is at least approximately equal to a rotational velocity of the at least one pickup roller. 25. The method of claim 19 wherein closing the pairs of jaws comprises applying a control signal to a solenoid that is mechanically coupled to at least one of the jaws. 26. The method of claim 19 wherein the card receiver is a carousel having a plurality of compartments each sized to receive a respective playing card, and further comprising: pivoting the carousel around a carousel axis to align one of the compartment with the card engagement position of the pair of jaws.
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