Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1980-09-19
1984-05-01
Pinkham, Richard C.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 6938
Patent
active
044456867
ABSTRACT:
A tennis teaching device for teaching the proper wrist position during the stroke of a tennis racket. The tennis teaching device comprises an elongated strap which is removably attached at a first end to the throat portion of a tennis racket. An attaching member removably attaches the second end of the strap to the forearm of the player. The second end of the strap is disposed at a predetermined upward extending angle and rotated a predetermined angular amount about the center axis of the strap with respect to the first end so as to be in registry with the forearm and wrist of the player when attached thereto to hold the wrist of the player in a fixed position throughout the entire stroke of the racket.
REFERENCES:
patent: 2189997 (1940-02-01), Salem
patent: 3693973 (1972-09-01), Wattenberg
patent: 3814419 (1974-06-01), Bjorklund
patent: 3858881 (1975-01-01), Hurwitz
Brown T.
Pinkham Richard C.
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