Adaptable kite/airfoil

Details Adaptable kite/airfoil Adaptable kite/airfoil

2005-01-25

2005-01-25

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Kites

Accessories

Reexamination Certificate

active

06845948

ABSTRACT:
An Adaptable kite/airfoil preferably for structured kites having effectively “reefable” sub-section(s) typically changing the effective width and/or length of the airfoil, thereby substantially changing the aerodynamic characteristics of the airfoil, using continuous sheet material sections not separated in flight use or in changing the kite aerodynamics. Thus, all of the sheet material, skin of the kite remain with the kite in its various configurations. Seven exemplary embodiments which achieve this approach are described including (1) roll-up section(s) (FIGS.2A &2B); (2) integrally contiguous, fold over, over-lapped section(s) (FIGS.3&5); (3) continuous but not integrally contiguous, overlap section(s) using a telescoping arrangement (FIGS.4A-4C); (4) varyingly compressed and/or aligned battens (FIGS.5-6); (5) variable wing tips (FIG.7); (6) center pull-down or up (FIGS.8&9); and (7) in flight expandable/contractible center pulled up or down (FIG.10).

REFERENCES:
patent: 1029010 (1912-06-01), Guillo
patent: 2023939 (1935-12-01), Talmadge
patent: 2193029 (1940-03-01), Juul
patent: 3152778 (1964-10-01), Girard
patent: 3507464 (1970-04-01), Rogallo
patent: 4685410 (1987-08-01), Fuller
patent: 5052641 (1991-10-01), Coleman

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