Games using tangible projectile – Playing field or court game; game element or accessory... – Means for dividing field or court into compartments; element...
Reexamination Certificate
2007-04-10
2007-04-10
Chiu, Raleigh W. (Department: 3711)
Games using tangible projectile
Playing field or court game; game element or accessory...
Means for dividing field or court into compartments; element...
Reexamination Certificate
active
11429603
ABSTRACT:
A tennis net winder for positioning within a tennis net support post, the tennis net winder comprising a frame having a face plate, having a plurality of apertures for securing the tennis net winder to the support post, the face plate having rearwardly extending support walls secured by a rear wall, the rear wall and face plate having aligned apertures for support of a worm gear member, the extending support walls having aligned apertures for support of a beveled gear and take up drum assembly, the face plate having a generally longitudinal rectangular opening aperture having a guide roller slidably mounted on a cross bar, the tennis net cable passing under the guide roller and through the take up drum, the take up drum being formed with a helical groove such that operation of the worm gear by a crank handle takes up or releases cable on the take up drum, the take up assembly, the winder assembly and frame being coated with a weather impervious coating, such as gold plating.
REFERENCES:
patent: 1023928 (1912-04-01), Edwards
patent: 1940595 (1933-12-01), Johnson
patent: 4122451 (1978-10-01), Senoh
patent: 4776588 (1988-10-01), Crowley
patent: 5308085 (1994-05-01), Koole
patent: 6248030 (2001-06-01), Pierce
patent: 6800043 (2004-10-01), Pohrer
patent: 3523568 (1987-01-01), None
Chiu Raleigh W.
Frayne Clifford G.
J.A. Cissel Mfg. Co.
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