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Mixing and dispensing machine

  • US 4,172,669 A
  • Filed: 07/27/1978
  • Issued: 10/30/1979
  • Est. Priority Date: 07/27/1978
  • Status: Expired due to Term
First Claim
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1. In a mixing and dispensing machine for combining concentrate and fluid diluent and forming an edible fluid therefrom, having(a) means for dispensing a concentrate;

  • (b) means for dispensing a fluid diluent to be combined with the concentrate;

    (c) a mixing device for accepting and mixing together the concentrate and diluent and forming an edible fluid therefrom, said mixing device having(1) a rotatable mixing impeller, and(2) a co-rotatable impeller shaft upon which the impeller is mounted; and

    (d) an electric motor for rotatably driving the mixing impeller, said motor having a mixer drive shaft co-axial with and spaced axially from the impeller shaft;

    the improvement comprising;

    an elastomeric coupling rotatably connecting the mixer drive shaft to the impeller shaft, said coupling having an elastomeric mass rotatable by said motor and connecting said shafts which is greater than the combined mass of the impeller and impeller shaft.

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