Watercraft autopilot actuator

Details Watercraft autopilot actuator Watercraft autopilot actuator

1993-10-27

1994-10-25

Basinger, Sherman

Ships

Steering mechanism

Remote control steering excluding manual operation

114144R, B63H 2504

Patent

active

053578899

ABSTRACT:
An actuator housing securely attached to a back wall of a rotary helm unit mounted below the dashboard of a watercraft provides a mechanism for automatic control of the watercraft's rudder. The actuator housing encloses a wheel shaft extension passing through an axial bore in a back wall of the rotary helm unit. A first end of the wheel shaft extension within the actuator housing has a drilled out core containing a spring. The spring exerts a force against a pusher shaft axially aligned with the wheel shaft extension. A transverse pin integral with the pusher shaft is located adjacent a gear affixed to the pusher shaft. When the spring is overcome by a contra force exerted on the pusher shaft, the transverse pin seats within two oppositely positioned grooves on the wheel shaft extension and causes the wheel shaft to turn in response to a system of gears activated by an electric motor mounted adjacent the actuator housing. Turning of the wheel shaft extension activates a gear system within the rotary helm unit that moves the watercraft's rudder cables.

REFERENCES:
patent: 2796576 (1957-06-01), Braddon et al.
patent: 3138133 (1964-06-01), Hatch
patent: 3603167 (1971-09-01), Arce
patent: 4170953 (1979-10-01), Pounder et al.
patent: 4314520 (1982-02-01), Kosic
patent: 4449420 (1984-05-01), Baba
patent: 4681055 (1987-07-01), Cyr

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