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Speed indicating ball

  • US 5,526,326 A
  • Filed: 12/20/1994
  • Issued: 06/11/1996
  • Est. Priority Date: 12/20/1994
  • Status: Expired due to Fees
First Claim
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1. A speed indicating ball comprising:

  • a housing;

    including a first portions and second portion;

    a mechanical timer which is supported by the first portion of said housing and enclosed within said housing, and which may be started at a first time and stopped at a second time so as to provide a mechanical output corresponding to an elapsed time interval between said first time and said second time, said mechanical output comprising the rotation of a shaft which is coupled to said timer and to the second portion of the housing so that said first and second portions rotate relative to one another during said elapsed time interval;

    a winder which is in mechanical communication with said timer and is operable by a user for placing the timer in a wound state;

    an activator for starting operation of the timer when the timer is in the wound state and the ball is released by the user;

    a stop mechanism for stopping operation of the timer when the ball is caught;

    a display which is in mechanical communication with the timer and is operative to receive the output thereof and to display a speed signal which is inversely proportional to said elapsed time interval.

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