Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent
1996-09-13
1998-05-05
Brown, Theatrice
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
A63B 6900
Patent
active
057466726
ABSTRACT:
An apparatus and method for training doubles tennis team players on the proper relative positions to be maintained during active doubles play. Such apparatus incorporates a tether between the players arranged to disconnect when the force on the tether exceeds a predetermined level.
REFERENCES:
patent: 2937023 (1960-05-01), Seymour
patent: 3458188 (1969-07-01), Infante
patent: 3480275 (1969-11-01), Jernstrom et al.
patent: 4621589 (1986-11-01), Thinnes
patent: 4688564 (1987-08-01), Kelly
patent: 4765748 (1988-08-01), Fidalgo
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