Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1973-03-26
1977-03-22
Apley, Richard J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 5112
Patent
active
040132900
ABSTRACT:
An improved racket is provided, for tennis and similar games, which incorporates a means for adjusting the string tension so that a proper tension may be maintained at all times when the racket is in use, and so that the tension of the strings of the racket may be relieved when the racket is not in use. The racket includes a resilient frame with an elongated handle attached to one end. The frame has a looped head portion with holes extending around its periphery to accommodate the strings. One string is mounted on the frame in a series of lateral passes extending across the area circumscribed by the head portion of the frame, a second string is mounted on the frame in a series of passes which extend vertically across the circumscribed area. Two plastic-encased metal arms are mounted to extend partially around both lower sides of the head portion of the frame. Appropriate grooves are formed in the plastic casing of the arms, and the lower ends of the vertical passes are looped around these arms. The ends of the arms are attached to an adjusting means which serves to pull the vertical passes into tension, thereby producing a compressive load on the frame of the racket. The frame then extends its lateral dimension to redistribute the load and produce equalizing tension on the lateral passes.
REFERENCES:
patent: 240183 (1881-04-01), Richardson
patent: 1912942 (1933-06-01), Kleinman
patent: 2542661 (1951-02-01), Godfrey
Apley Richard J.
Beecher Keith D.
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