Shuttlecock

A shuttlecock including a cap and a skirt part whereto an air passage hole is formed, wherein a rib is provided to the skirt part, adjacent to a rear end of the air passage hole in a generatrix direction of the skirt part, the rib having a shape wherein air pressure difference is generated between a...

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Bibliographic Details
Main Author TANAKA KENSUKE
Format Patent
LanguageEnglish
Published 31.01.2012
Subjects
AMUSEMENTS
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING
BALL GAMES
GAMES
HUMAN NECESSITIES
SPORTS
TRAINING EQUIPMENT
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Summary:A shuttlecock including a cap and a skirt part whereto an air passage hole is formed, wherein a rib is provided to the skirt part, adjacent to a rear end of the air passage hole in a generatrix direction of the skirt part, the rib having a shape wherein air pressure difference is generated between an air flow passing through the air passage hole to flow on an inside of the rib and an air flow not passing through the air passage hole but to flow on an outside of the rib, and an aerodynamic force directed from the inside of the rib to the outside is generated.
Bibliography:Application Number: US20080744945