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Instructional baseball

  • US 20060068952A1
  • Filed: 09/28/2004
  • Published: 03/30/2006
  • Est. Priority Date: 09/28/2004
  • Status: Abandoned Application
First Claim
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1. An instructional ball for teaching the proper manner of throwing a curveball comprising:

  • a generally spherical body member, a single recessed groove formed in the outer peripheral surface of the body member which follows a lined figure-8 path around the outer peripheral surface of the body member in the same manner as the stitching on a conventional baseball, the groove having bottom portion and side walls, an elongated fin member located in the center of the groove and extending up from the bottom portion of the groove out toward an imaginary continuation of the outer peripheral surface of the body member, the fin member following the same path as the groove encompassing the figure-8 path, the fin member serving as an air dampening shield causing increased drag as the ball is thrown through the air with a rotating spin.

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