Games using tangible projectile – Golf – Ball feeding means and tee
Patent
1996-03-11
1997-07-01
Wong, Steven
Games using tangible projectile
Golf
Ball feeding means and tee
473134, A63B 5700
Patent
active
056430965
ABSTRACT:
An apparatus is provided to detect the presence or absence of an object thereon in order to actuate a pneumatic circuit. In particular, the apparatus is directed to detecting the presence or absence of a golf ball on a tee of an automatic golf ball teeing apparatus. The sensing apparatus includes a plunger engaged with a tee on which the golf ball rests. The plunger has a groove formed therein. The groove of the plunger is operatively engaged with a lever of a valve of a pneumatic circuit to be actuated. The plunger rests on a spring such that when a golf ball is present, the spring is compressed and the groove and lever of the valve keep the valve in a closed position. When the object is absent, the spring forces the plunger, and thus the groove, into an operative position in which the lever of the valve causes the valve to vent air. When the valve vents air, the pneumatic circuit is actuated and automatic replacement of the object is initiated.
REFERENCES:
patent: 2618480 (1952-11-01), Williams
patent: 3378263 (1968-04-01), Turnau et al.
patent: 4741537 (1988-05-01), Adam
patent: 5016886 (1991-05-01), Gould
patent: 5145176 (1992-09-01), Lipson
patent: 5282629 (1994-02-01), Eckstein
patent: 5348305 (1994-09-01), Lowe
patent: 5383442 (1995-01-01), Tippmann
Clarke Dennis P.
Wong Steven
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