Boat and propulsion system

Details Boat and propulsion system Boat and propulsion system

1986-09-16

1987-07-07

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 63, 114355, B63H 512

Patent

active

046784403

ABSTRACT:
A boat and propulsion system especially useful for shallow water operation. A boat, such as a flat bottom fishing boat, is provided with a lowered transom and a platform attached to the transom which extends upwardly at an angle along the sides of the boat to define a well area which receives and drains any backwash. An air cooled internal combustion engine is provided with a straight propeller shaft and propeller attached thereto. A motor plate rigidly attached to the engine may be removably mounted on a swivel-hinge assembly mounted on the platform to allow double axis movement of the engine and propeller in relation to the platform. This provides for a thrusting position with the propeller in the water and a neutral position with the propeller held above the water. A control handle may be removably connected to the motor plate to provide one handed steering and throttle control by the operator. The motor plate is detached from the swivel-hinge assembly to allow removal and transportation of the engine and propeller shaft combination in a trunk of an automobile with the control handle removed. The propeller is approximately 95% weedless as it runs at a water level above that from the bottom of the boat during operation and thus need no skegs or deflector plates. A propeller shaft housing and coupling guard are mounted on the engine and enclose the propeller shaft and coupling of the propeller shaft to the engine drive shaft.

REFERENCES:
patent: 827202 (1906-07-01), Bachman
patent: 1316169 (1919-09-01), Liberty
patent: 1479025 (1924-01-01), Caille et al.
patent: 1586517 (1926-06-01), Caille et al.
patent: 1789415 (1931-01-01), Phillips
patent: 1831739 (1931-11-01), Decker
patent: 2513050 (1950-06-01), Pugy
patent: 2996035 (1961-08-01), Torrey
patent: 3063404 (1962-11-01), Jones
patent: 3469558 (1969-09-01), Puretic
patent: 3498253 (1970-03-01), Wood

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