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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||441/074; 441/065; 482/055|
|발명자 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 13 인용 특허 : 36|
One aspect of the invention provides a drag-inducing kickboard. The kickboard has an undersurface. A funnel member projects from the undersurface and comprises at least one inner surface that is spaced apart from the undersurface to form a channel between the at least one inner surface of the funnel member and the undersurface of the kickboard. The funnel member is shaped to provide the channel with a front opening for allowing water into the channel and a rear opening for allowing water to escape from the channel. The front opening has a cross-sectional...
1. A drag-inducing kickboard apparatus comprising;a buoyant kickboard having a front end tapered in width and a generally flattened upper surface for receiving and supporting the arms or upper body of a swimmer in a prone position, the upper surface free from upward projections that would interfere with a swimmer placing his or her upper body on the upper surface; anda funnel member disposed below an undersurface of the kickboard located opposite the upper surface, the funnel member defining, either itself or in combination with the undersurface of the k...