Marine propulsion – Screw propeller – Combined with rudder
Patent
1998-06-11
1999-05-11
Sotelo, Jesus D.
Marine propulsion
Screw propeller
Combined with rudder
440 6, B63H25/42
Patent
active
059021578
ABSTRACT:
An electric trolling motor has a motor body with a propeller, and a vertical shaft extending upward from the motor body. A rudder attachment having forward, rearward and lower portions is secured to the motor. The forward portion is a diagonal blade located between the shaft and a forward end of the body. The rearward portion is a thin rudder which extends between a rearward end of the motor body and the shaft. The lower portion has is mounted to a lower side of the motor body and tapers downward. Tie wraps are used to securely fasten the portions of the rudder attachment to each other and to the trolling motor.
REFERENCES:
patent: 4290760 (1981-09-01), Lindblad
patent: 4634388 (1987-01-01), Covell
patent: 4944702 (1990-07-01), Cain
Bradley James E.
Sotelo Jesus D.
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