Swim fin having articulated wing members
US6322411A · kind A · utility
Inventor
Key dates
| Filing date | Apr 13, 2000 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Apr 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2031/117
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A swim fin having articulating wing members articulated by means of clock washers or the like with respect to a foot pocket to provide, among other things, adjustment of pitch and tension of such wing members or other fin blade. A swim fin with articulating wing members may have a foot pocket with a forked end. Articulating wing members may then be attached to the fork stubs, there being right and left articulating wing members. Clock washers or the like may serve to provide stable and adjustable means by which the disposition of the individual articulating wing members may be selectably disposed with respect to the foot pocket. The wing members may provide more efficient propulsion for both short bursts and long range swimming. The swim fin of the present invention allows the swim kick to concentrate its energy in a more propulsive direction. An alternative embodiment of the present invention has individual webbed rails generally connected at their common base, but may be separated, or split, near their end. The rails are generally attached to the foot pocket in the manner similar to that for the articulating wing members. Other embodiments of the present invention also allow arti…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.