Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1981-01-19
1982-04-06
Blix, Trygve M.
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
114144R, B63H 2542
Patent
active
043233538
ABSTRACT:
An improved boat steering apparatus for an outboard or inboard-outboard type boat wherein a propeller assembly is turned about a vertical axis to steer the boat, comprising a slide tube having a horizontal opening, the slide tube being attached to the propeller assembly for applying steering force to the assembly and having a slot therein; a link arm having one end thereof slidably received in the opening in the slide tube, the other end being attached to a boat steering device, such as a steering wheel, whereby the arm is displaced axially in a horizontal plane for steering the boat; a fin supported about a vertical shaft in the propeller slip stream; a horizontal disc affixed to the fin shaft upper end; a pin affixed to the link arm and extending through the slot in the slide tube; and first and second cables, each having one end affixed to the pin and extending in opposed horizontal planes perpendicular to the pin, the other ends of the cable being attached opposite each other on the peripheral surface of the horizontal disc so that when the slide arm is moved to turn the propeller assembly the fin is first moved to react with the slip stream to augment turning of the propeller assembly for steering the boat.
REFERENCES:
patent: 1540079 (1925-06-01), Luchsinger
patent: 2993464 (1961-07-01), Conover
patent: 3149605 (1964-09-01), Broadwell
patent: 3943878 (1976-03-01), Kirkwood et al.
Blix Trygve M.
Incom International Inc.
Sotelo Jesus D.
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