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Aerodynamic throwing disc

  • US 4,176,843 A
  • Filed: 01/11/1978
  • Issued: 12/04/1979
  • Est. Priority Date: 11/29/1976
  • Status: Expired due to Term
First Claim
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1. An aerodynamic throwing disc comprising:

  • a relatively thin walled annular rim having a circular central opening, a radially outer edge portion which curls toward one side of the rim to define a circumferential lip about the rim, and an annular shoulder at said one side of said rim concentric with and spaced outwardly from the edge of said opening to define an annular seat about the opening,a circular insert element of uniform thickness thinner than said rim, said insert having an outer radially extending flat annular flange configurated to seat against the annular seat of the rim, and having a raised central portion spaced from the flange by an axially extending side wall, said central portion extending into said opening with its flange engaging the annular seat, and bearing indicia on its surface opposite from said rim annular seat, andmeans joining said insert flange to said rim portion.

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