US4807884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card shuffling device
Assignee: SHFL Enterteiment Inc
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Filing: 1987-12-28
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Granted: 1989-02-28
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Expires: 2007-12-28
Abstract
Abstract Discloses an apparatus automatically shuffling a deck of cards. The device includes a deck stacking zone, a carriage section for separating the deck into two portions, a sloped mechanism for disposition between adjacent corners of the deck and apparatus for snapping the cards over the sloped mechanism, thereby interleafing the cards. Push members are provided to slide the interleafed deck portions into a single stack. Mechanism is also present for transporting the shuffled deck into a dealing shoe.
Inventors
- 👤 John G. Breeding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:20
CPC Classifications
A; A63; A63F; A63F1/00; A63F1/06; A63F1/12
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
58 words
A card deck shuffling device comprising means for separating the deck into a pair of stacks, means for elevating adjacent portions of each of said card stacks and releasing said portions to interleaf said pair of stacks, means for pushing said pair of stacks into a single stack, and means for moving said stack into a dealing shoe.
Claim 2
Dependent Claim
58 words
A card deck shuffling device comprising means for separating the deck into a pair of stacks, means for elevating adjacent portions of each of said card stacks and releasing said portions to interleaf said pair of stacks, means for pushing said pair of stacks into a single stack, and means for moving said stack into a dealing shoe.
Claim 3
Dependent Claim
26 words
The card shuffling device of claim 1 wherein said means for elevating comprises a sloped mandrel and means for reciprocably moving said mandrel upwardly and downwardly.
Claim 4
Dependent Claim
36 words
The card shuffling device of claim 2 wherein said device includes means for pressing downwardly on said pair of stacks to cause said pair of stacks to snap off said sloped mandrel to interleaf said cards.
Claim 5
Dependent Claim
25 words
The card shuffling device of claim 3 wherein said means for pressing comprises a pair of rollers, one roller acting on each of said stacks.
Claim 6
Dependent Claim
31 words
The card shuffling device of claim 4 wherein said rollers are each mounted on a shaft such that the rollers may be pivoted out of the way when not in use.
Claim 7
Dependent Claim
31 words
The device of claim 2 wherein said mandrel comprises a sloped member mounted to pivot out of the way of said interleafed card stacks while moving downwardly past said interleafed cards.
Claim 8
Dependent Claim
65 words
The device of claim 6 wherein said means for separating comprises a reciprocating rod and a carriage, said rod serving to open a space between two portions of cards and said carriage slides beneath the upper of said portions to raise the upper of said portions and transport said upper portion to a location adjacent to the lower of said portions, thereby forming two stacks.
Claim 9
Dependent Claim
67 words
A card deck shuffling device comprising means for separating the deck into a pair of stacks, means for moving one of said stacks to a position at an angle to the other stack, means for elevating an adjacent corner of each of said card stacks and releasing said corners to interleaf said pair of stacks, and means for pushing said pair of stacks into a single stack.
Claim 10
Dependent Claim
67 words
A card deck shuffling device comprising means for separating the deck into a pair of stacks, means for moving one of said stacks to a position at an angle to the other stack, means for elevating an adjacent corner of each of said card stacks and releasing said corners to interleaf said pair of stacks, and means for pushing said pair of stacks into a single stack.
Claim 11
Dependent Claim
59 words
The device of claim 8 wherein said means for separating comprises a reciprocating rod and a carriage, said rod serving to open a space between two portions of cards and said carriage serving to raise the upper of said portions and transport said upper portion to a location adjacent to the lower of said portions, thereby forming two stacks.
Claim 12
Dependent Claim
14 words
The device of claim 9 wherein said means for elevating comprises a frustoconical member.
Claim 13
Dependent Claim
135 words
A card deck shuffling device comprising means for separating the deck into a pair of stack portions, means for moving one of said stack portions to a position at an angle to the other stack portion, means for elevating an adjacent corner of each of said card stack portions, said means for elevating comprising a frustoconical member and means for reciprocably moving said member upwardly and downwardly, said frustoconical member serving to elevate adjacent corners of said card stack portions and releasing said corners to interleaf said pair of stack portions, said frustoconical member being mounted to pivot out of the way of said card stack portions while moving downwardly past said interleafed cards, means for pushing said pair of stack portions into a single stack, and means for moving said stack into a shoe.
Claim 14
Dependent Claim
135 words
A card deck shuffling device comprising means for separating the deck into a pair of stack portions, means for moving one of said stack portions to a position at an angle to the other stack portion, means for elevating an adjacent corner of each of said card stack portions, said means for elevating comprising a frustoconical member and means for reciprocably moving said member upwardly and downwardly, said frustoconical member serving to elevate adjacent corners of said card stack portions and releasing said corners to interleaf said pair of stack portions, said frustoconical member being mounted to pivot out of the way of said card stack portions while moving downwardly past said interleafed cards, means for pushing said pair of stack portions into a single stack, and means for moving said stack into a shoe.
Claim 15
Dependent Claim
55 words
The device of claim 11 wherein said means for separating comprises a reciprocating rod and a carriage, said rod serving to open a space between two portions of cards and said carriage serving to raise the upper of said portions and transport said upper portion to a location adjacent to the lower of said portions.
Claim 16
Dependent Claim
165 words
A card deck shuffling device comprising means for separating the deck into a pair of stack portions, said means for separating comprising a reciprocating rod, carriage means for moving one of said stack portions to a position at an angle to the other stack portion, means for elevating an adjacent corner of each of said card stack portions, said means for elevating comprising a sloped curved mandrel and means for reciprocably moving said mandrel upwardly and downwardly, said mandrel serving to elevate adjacent corners of said card stack portions and releasing said corners past the edge of said mandrel to interleaf said pair of stack portions, said mandrel being mounted to pivot out of the way of said interleafed card stack portions while moving downwardly past said cards, means for pressing said card portions downwardly to release said cards over said mandrel, means for pushing said pair of stack portions into a single stack, a shoe and means for moving said stack into said shoe.
Claim 17
Dependent Claim
165 words
A card deck shuffling device comprising means for separating the deck into a pair of stack portions, said means for separating comprising a reciprocating rod, carriage means for moving one of said stack portions to a position at an angle to the other stack portion, means for elevating an adjacent corner of each of said card stack portions, said means for elevating comprising a sloped curved mandrel and means for reciprocably moving said mandrel upwardly and downwardly, said mandrel serving to elevate adjacent corners of said card stack portions and releasing said corners past the edge of said mandrel to interleaf said pair of stack portions, said mandrel being mounted to pivot out of the way of said interleafed card stack portions while moving downwardly past said cards, means for pressing said card portions downwardly to release said cards over said mandrel, means for pushing said pair of stack portions into a single stack, a shoe and means for moving said stack into said shoe.
Claim 18
Dependent Claim
27 words
The card shuffling device of claim 13 wherein said means for pressing downwardly comprise a pair of rollers, one roller acting on each of said stack portions.
Claim 19
Dependent Claim
40 words
The card shuffling device of claim 14 wherein said rollers serve to move said stack portions toward each other as the mandrel moves upwardly, thereby assisting in the interleafing of said cards as the cards are released from said mandrel.
Claim 20
Dependent Claim
57 words
The card shuffling device of claim 15 wherein said means for moving said stack into said shoe comprise means for pivotally moving said shoe upwardly to a position horizontally aligned with said stack and a push member to slide said stack into said shoe, said pivotal means further serving to move said shoe into a lowered position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |