Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof
Reexamination Certificate
2005-05-10
2005-05-10
Ricci, John A. (Department: 3712)
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Arrow, dart, or shuttlecock; part thereof
Reexamination Certificate
active
06890274
ABSTRACT:
A shuttlecock having a cap and a flared skirt, the latter having an inner and outer part made of artificial material and incorporating in the outer part, a plurality of stems and ribs connecting the stems and flaps projecting from the edges of said ribs at a substantial angle to the outer face of the ribs and to the airflow passing along the normal line of flight of the shuttlecock. This increases the resistance of the outer skirt, and improves the turnover of the shuttlecock. The flaps project from at least the trailing edge of the ribs and may also project from the leading edge. The invention is developed so that a plurality of flutes are formed in the outer skirt, the said flaps project from the trailing edges of the ribs on the right face of the flutes. The flaps may also project from the leading edges of the ribs on the left face of the flutes. The combination of the angle of the flute and the angle of the flap causes the shuttlecock to spin rapidly. The flaps nest in the space between the flutes and the inner perimeter of the tube in which the shuttlecocks are packed.
REFERENCES:
patent: 2830817 (1958-04-01), Schoberl
patent: 5853340 (1998-12-01), Willis
patent: 344938 (1921-12-01), None
patent: 1076538 (1960-02-01), None
patent: 1115729 (1956-04-01), None
patent: 689532 (1953-04-01), None
patent: 820179 (1959-09-01), None
patent: 907700 (1962-10-01), None
patent: 1103364 (1968-02-01), None
patent: 2279580 (1995-01-01), None
patent: 2353482 (2001-02-01), None
Carlton William Charles
Gauci Carlton Sarah Jane
Browning Clifford W.
Ricci John A.
Woodard Emhardt Moriarty McNett & Henry LLP
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