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US 7,485,018 B2Granted
Marine drive system
OwnerJim Wilson, Scott Snowinventors
Life of this patent
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Abstract
A marine drive assembly includes at least one vessel hull having at least one cavity formed therein. At least one drive assembly is disposed in the at least one cavity. The at least one drive assembly includes upper and lower units. The upper unit is pivotally mounted within the hull-cavity for adjusting a pitch of the drive assembly about a vertical axis. The lower unit is coupled to the upper unit and includes a propulsory member for propelling the vessel through a body of water.
Claims18
A marine drive assembly comprising:
- at least one vessel hull having at least one cavity formed therein, the cavity including trunnion bosses formed therein;
- at least one drive assembly disposed in the at least one cavity formed in the vessel hull, the at least one drive assembly including upper and lower units;
- the upper unit, including trunnion hubs formed on the upper unit of the drive assembly and received in the trunnion bosses for pivotally mounting the drive assembly with respect to the hull for adjusting a pitch of the drive assembly about a horizontal axis, wherein at least one of the trunnion hubs includes a hollow center cavity allowing passage of a drive shaft from an engine or gearbox to the drive assembly;
- the lower unit coupled to the upper unit, the lower unit including a propulsory member for propelling the vessel through a body of water.
1 more element
Dependencies are inferred from the claim text.