Games using tangible projectile – Playing field or court game; game element or accessory... – Means for dividing field or court into compartments; element...
Patent
1998-03-10
1999-09-14
Grieb, William H.
Games using tangible projectile
Playing field or court game; game element or accessory...
Means for dividing field or court into compartments; element...
A63B 6104
Patent
active
059514175
ABSTRACT:
A volleyball net support system for supporting a volleyball net having upper attachment lines and lower attachment lines. The support system comprises two support towers, each support tower having a base that rests upon a ground surface. A body is attached to the base with a pair of legs, the legs and the body angularly adjustable, and normally form an s-curve. A cam blade is attached to the body, and is secured to the ground with anchoring ropes. The lower attachment lines are attached to the body of each of the support towers. A worm support is pivotally attached to the cam blade on each support tower, and is secured to the body with a worm rope. The upper attachment lines are attached to the worm supports on each of the support towers.
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patent: 4342459 (1982-08-01), Pretorius
patent: 4732395 (1988-03-01), Halverson
patent: 4844477 (1989-07-01), Pardi
patent: 5358257 (1994-10-01), Pardi
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