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Golf swing diagnostic apparatus

  • US 4,341,384 A
  • Filed: 02/23/1981
  • Issued: 07/27/1982
  • Est. Priority Date: 02/23/1981
  • Status: Expired due to Fees
First Claim
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1. Apparatus to be used in evaluating the swinging of a golf club with regard to the squareness of the golf club'"'"'s face to the intended ball-flight path at the point in the golf club swing at which the club face makes contact with the ball, comprisinga source of electromagnetic radiation, andreflective material backed with adhesive so as to be affixed temporarily to any golf club'"'"'s face, anda multiplicity of sensor-marker assemblies each of which comprisesa sensor assembly which reacts to the electromagnetic radiation from said source by closing an electrical circuit;

  • anda marker light adjacent to said sensor-marker assembly and disposed to be switched on when the electrical circuit is closed, in which radiation from said source must be reflected from said reflective material to reach any of said multiplicity of sensor-marker assemblies, whereby during a single golf swing only certain ones of said sensor-marker assemblies receive radiation and these certain ones may be identified as having received radiation by their having closed the electrical circuit and switched on their associated marker light, the location of the switched-on marker lights with respect to the intended ball-flight path existing after a swing being immediately visible to an observer whereby the observer can evaluate the squareness of the golf club face during the swing.

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