Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Patent
1992-01-22
1993-06-01
Millin, V.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
273 29B, 273 29BC, A63B 6700, A63B 6104
Patent
active
052153100
ABSTRACT:
A tensioning and support system for a sports net assembly uses a compound pulley arrangement attached to one of the vertical supports to simultaneously adjust the tension placed on both the upper and lower net cables. In one embodiment, each support has a standard extending upward from the ground, an upper elongated member, and a clamp for adjustably securing the upper elongated member to the upper portion of the standard to allow height adjustment of the net. A scale mounted between the upper end of the standard and the elongated member at approximately eye-height permits accurate measurement of the height of the net. Optionally, a clam cleat or other one-way cleat can be used to secure the free end of the pull cord extending from the pulley after the desired tension has been applied to the net cables.
REFERENCES:
patent: 2638346 (1950-05-01), Stapleton
patent: 3065964 (1962-11-01), Barnes
patent: 3940139 (1976-02-01), Barnes
patent: 4153247 (1979-05-01), Burns
patent: 4830382 (1989-05-01), Wheeler
patent: 4968042 (1990-11-01), Stewart
patent: 4973059 (1990-11-01), Stewart
"The Kil-Kourt-A Portable Outdoor Volleyball Court System" brochure by AA Sports, Inc., 1984.
Chiu Raleigh W.
Millin V.
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