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Golf swing timing device

  • US 4,027,886 A
  • Filed: 09/19/1975
  • Issued: 06/07/1977
  • Est. Priority Date: 09/19/1975
  • Status: Expired due to Term
First Claim
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1. A device for measuring time of a golf swing comprising:

  • 1. a golf club having a shaft, a clubhead portion and a grip portion;

    2. a magnet element fixedly positioned on a part of the golf club shaft adjacent to the grip portion, said magnet element being in the form of a tube having replaceable magnetic inserts to vary its magnetic attractive force;

    3. a stop unit fixedly mounted on said golf club shaft at a position close to the clubhead, and4. a movable tube having a metal portion which can be attracted by the magnet element, said movable tube being also fitted on said club shaft intermediate said magnet element and said stop unit and being adapted to move away from said magnet element toward said stop unit in response to centrifugal force created by the golfer'"'"'s swing so as to collide with said stop unit.

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