Blade system for marine motors

Details Blade system for marine motors Blade system for marine motors

1997-04-14

1998-09-15

Sotelo, Jesus D.

Marine propulsion

Screw propeller

Self-clearing

416146B, B63H 128

Patent

active

058071504

ABSTRACT:
A blade system for mounting on a marine motor such as an electric trolling motor and cutting weeds and other aquatic vegetation that normally entangle the submerged motor and propeller. In a first embodiment the blade system is characterized by a fixed installation in which one or more blades are mounted directly on the motor, or blade mounts are molded or cast into the motor to receive the blades. The blades are typically secured to the motor or blade mounts by bolts and extend toward the propeller, preferably in angular relationship with respect to the longitudinal axis of the motor housing, to cut the aquatic vegetation as the submerged motor operates. In a second embodiment the blade system can be implemented as a retrofit, wherein the blades are bolted or otherwise mounted on the motor or on removable blade mounts secured to the motor by means of one or more hose clamps. The blades are typically secured to the removable blade mounts by means of bolts to position the blades in essentially the same configuration on the motor as in the fixed mount embodiment.

REFERENCES:
patent: 4450670 (1984-05-01), Robinson
patent: 5007867 (1991-04-01), Kelley

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