U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Card shuffler

Patent 5356145 Issued on October 18, 1994. Estimated Expiration Date: Icon_subject January 21, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Chain stopper
Patent #: 4186464
Issued on: 02/05/1980
Inventor: Sandoy

Card shuffling device
Patent #: 4310160
Issued on: 01/12/1982
Inventor: Willette ,   et al.

Computerized card shuffling machine
Patent #: 4497488
Issued on: 02/05/1985
Inventor: Plevyak ,   et al.

Device for reducing predictability in card games
Patent #: 4512580
Issued on: 04/23/1985
Inventor: Matviak

Automatic card shuffler
Patent #: 4513969
Issued on: 04/30/1985
Inventor: Samsel, Jr.

Automatic shuffling apparatus
Patent #: 4586712
Issued on: 05/06/1986
Inventor: Lorber ,   et al.

Monte verde playing card dispenser
Patent #: 4659082
Issued on: 04/21/1987
Inventor: Greenberg

Card shuffler
Patent #: 4770421
Issued on: 09/13/1988
Inventor: Hoffman

Card shuffling device
Patent #: 4807884
Issued on: 02/28/1989
Inventor: Breeding

Computerized card shuffling machine
Patent #: 4832342
Issued on: 05/23/1989
Inventor: Plevyak ,   et al.

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Inventor

Assignee

Application

No. 184441 filed on 01/21/1994

US Classes:

273/149RCard shufflers and dealers

Examiners

Primary: Layno, Benjamin H.

Attorney, Agent or Firm

Foreign Patent References

  • 0310516 EP 05/12/1991
  • 2252764 GB 08/12/1992
  • 2252916 GB 08/12/1992
  • 91/08030 WO 06/12/1991
  • 91/15278 WO 10/12/1991

International Class

A63F 001/12

Foreign Application Priority Data

1993-10-13 NL

Abstract

The invention relates to a device for shuffling playing cards. The device s two shuffling card compartments which can each be placed in a first position and in a second position, and a delivery compartment; gripping rollers carry the playing cards from the shuffling compartment located in the first position to the shuffling compartment located in the second position. Gripping rollers also carry the playing cards from the card compartment located in the first position to the delivery compartment. A microprocessor activates the gripping rollers as determined by an algorithm. Motor driven discs feed the playing cards for shuffling to one of the shuffling compartments. The shuffling operations to be performed by the dealer are time-consuming, which is all the more important as the game has to be stopped during shuffling, so that a relatively large part of the available playing time at a gaming table has to be spent on shuffling, which of course has an adverse affect on the obtainable turnover at the table. In preference the shuffling device comprises a plateau where both shuffling compartments are mounted on. The plateau is rotatable on a vertical shaft for exchanging the position of both shuffling compartments.

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