Rowing and steering device for boats

Details Rowing and steering device for boats Rowing and steering device for boats

1976-01-21

1977-08-23

Blix, Trygve M.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Irregular, flanged or channel forming blade surface

416 83, B63H 132

Patent

active

040432912

ABSTRACT:
A manually operable device for propelling and steering a boat is disclosed. A bracket is adapted to be secured to the stern of the boat. A bearing plate is rotatively mounted on the bracket and supports a tubular sleeve which is pivotal along an axis generally transverse to the longitudinal axis of the sleeve. An elongate vane or paddle shaft extends longitudinally through said tubular sleeve and is adjustable relative to the sleeve. The upper end of the shaft carries an arm adapted to be grasp by the boatman so that the shaft can be manually rocked or actuated. The lower end of the shaft carries one or more vanes which are swingable or pivotal between a motive position in one direction of actuation in which maximum surface area is presented to the water and a return position in the opposite direction of actuation in which there is minimum resistance to movement through the water.

REFERENCES:
patent: 2507469 (1950-05-01), Hanson
patent: 2808802 (1957-10-01), Graham
patent: 3007434 (1971-11-01), Laycox

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