Hollow shaft kayak paddle

Details Hollow shaft kayak paddle Hollow shaft kayak paddle

1997-01-14

1998-12-01

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Operator supported manually actuated type

Fulcrum support type

416229R, 440101, B63H 1604

Patent

active

058428305

ABSTRACT:
A kayak paddle with a hollow wooden shaft featuring reduced weight and improved strength. The shaft is formed from lineal segments which run the entire length of the paddle shaft and are joined to form a closed shaft structure. A helical twist can be introduced in the shaft to establish desired paddle "feather." The hollow shaft can be formed having a closed cell foam core wrapped with a reinforcing cloth, such as fiberglass to further increase the strength of the shaft.

REFERENCES:
patent: 887160 (1908-05-01), Webb
patent: 1003069 (1911-09-01), Shea
patent: 2353662 (1944-07-01), Goldman
patent: 3091781 (1963-06-01), Wisbro
patent: 4820216 (1989-04-01), Masters
patent: 4863416 (1989-09-01), Gupta
patent: 5649845 (1997-07-01), Fechtner

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