Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1975-10-20
1977-03-15
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 65D, A63B 3904, A63B 4112
Patent
active
040120414
ABSTRACT:
An inflatable game ball having an outer shell of rubber or rubber-like elastomer, enclosing a hollow interior space, with an internal self-sealing check valve extending through the shell. The check valve is molded of soft rubber and has a pair of thin flanges or lips, arranged side-by-side, with one or more openings that are opened up to allow air to pass freely into the ball when the air pressure on the outside of the valve is greater than the pressure inside the ball. A hand pump is provided, which has a nozzle that inserts into the outside opening of the check valve, and operating the pump causes air to be pumped into the ball to inflate the latter to the desired pressure. The thin flanges of the check valve are closed tightly against one another by the air pressure within the ball, thereby sealing the valve opening to prevent escape of the air. Tennis balls which have lost their pressure and become dead are restored to like-new condition by drilling a hole through one side of the ball, inserting a check valve insert with adhesive on the sides, and inflating the ball to like-new pressure with a hand pump after the adhesive has set, or cured.
REFERENCES:
patent: 2176565 (1939-10-01), Boynton
patent: 2294424 (1942-09-01), Roberts
patent: 2318115 (1943-05-01), Tubbs
patent: 2349463 (1944-05-01), Riddell
patent: 3098779 (1963-07-01), Cox
patent: 3100641 (1963-08-01), Nicholls et al.
Kidder Herbert E.
Marlo George J.
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