Marine propulsion device and lower unit therefor

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United States of America Patent

PATENT NO 11111849
SERIAL NO

16720675

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lower unit for a marine propulsion device includes a gearcase housing defined along a longitudinal center axis between a fore end and an aft end. A propulsor shaft extends through the gearcase housing along the longitudinal axis. A driveshaft extends non-parallel to the propulsor shaft and rotates in a direction of rotation when powered by an engine. The driveshaft is coupled in torque-transmitting relationship with the propulsor shaft. A skeg projects from a bottom surface of the gearcase housing proximate at least the aft end thereof. The skeg or the gearcase housing is cambered such that a moment acting in a direction opposite the driveshaft's direction of rotation is induced on the skeg or the gearcase housing as the lower unit moves through water. A marine propulsion device is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
BRUNSWICK CORPORATION26125 N RIVERWOODS BLVD STE 500 METTAWA IL 60045

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Poirier, Randall J Fond du Lac, US 31 282
Scherer,, III John O Oshkosh, US 14 37

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