Flexible paddle wheel structure

Details Flexible paddle wheel structure Flexible paddle wheel structure

1979-10-19

1981-07-21

Spar, Robert J.

Marine propulsion

Paddle wheel

152220, 180 15, 301 52, 305 19, 403262, 403337, 416 86, B63H 104

Patent

active

042796032

ABSTRACT:
A flexible paddle wheel structure comprises a pair of axially spaced wheels, having flexible rims, such as, for example, pneumatic tires, with pairs of radially spaced, transverse, flexible members extending between, and attached to, the rims. A flexible membrane extends between the transverse members in each pair to form a flexible paddle. The wheels can tilt relative to each other and the whole structure can be arranged to be lifted and lowered.

REFERENCES:
patent: 101004 (1870-03-01), Goodwin
patent: 2926717 (1960-03-01), Dunlap
patent: 2947337 (1960-08-01), Ambeau
patent: 3547177 (1970-12-01), Valley
patent: 3664290 (1972-05-01), Finn
patent: 3696852 (1972-10-01), Oulmaw
patent: 3898949 (1975-08-01), Kearsey
patent: 3968766 (1976-07-01), House

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