Transom mounted marine propulsion device with lateral crankshaft

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

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440 75, B63H 512

Patent

active

043827977

ABSTRACT:
Disclosed herein is a marine propulsion device comprising a power head adapted for mounting to a boat transom and including an engine having a crankshaft extending horizontally and parallel to the transom when the engine is boat mounted, a cross shaft mounted in parallel relation to the crankshaft and behind the transom when the engine is boat mounted, a pulley and belt drive operably connected between the crankshaft and the cross shaft for rotating the cross shaft in response to rotation of the crankshaft, a lower unit including an upper housing section mounted to the power head for tilting movement relative thereto about the axis of the cross shaft, a drive shaft extending in the upper housing section in perpendicular relation to the cross shaft, a reversing transmission operably connected between the cross shaft and the drive shaft, and a propeller mounted on the lower unit and drivingly connected to the drive shaft.

REFERENCES:
patent: 2691954 (1954-10-01), Shively
patent: 3826219 (1974-07-01), Nossiter

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