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Marine Propulsion > Screw Propeller > Shafting ShaftingShafting patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/26/06 - 20060240723 - Outboard motor In an outboard motor mouhted on a stern of a boat, comprising a power source and a driven unit including a drive shaft connected to the power source and a propeller connected to the drive shaft through a gear mechanism, wherein the power source is detachably connected to the driven ... 09/21/06 - 20060211315 - Bravo drive propeller shaft bearing carrier A propeller drive system for V-hull and catamaran racing vessels including an offshore racing cleaver propeller run on a long, thick propeller shaft coupled with a Bravo Unit Drive Motor at, and above, the water's surface through a tightly fitted bearing carrier. ... 09/21/06 - 20060211314 - Bravo drive propeller shaft A propeller drive system for V-hull and catamaran racing vessels including an offshore racing cleaver propeller run on a water's surface by means of a long, thick propeller shaft coupled with a Bravo Drive. ... 09/14/06 - 20060205293 - Coupling joint structure of small-sized boat A coupling joint structure for a boat where the output of an engine can be securely transmitted to a propeller shaft and centrifugal force can be reduced. The structure includes a first coupler on the driving side to an output shaft, a second coupler on the driven side to a ... 08/10/06 - 20060178060 - Propeller shaft apparatus A paper tube of a propeller tube 12 is made by winding a single faced corrugated fiberboard 16 in which a wavy corrugating medium 16b is fixed to one side of a flat linerboard 16a so that the corrugating medium 16b is oriented outwards, and the corrugating medium 16b contacts ... 07/13/06 - 20060154536 - Marine propulsion system A marine propulsion system comprising a push rod (50) for adjusting the pitch of propeller blades (34). The push rod (50) has a screw-threaded bolt (60) engaged with a nut (78). The nut (78) carries a bevel gear (84) by which the nut (78) can be rotated to cause the ... 03/23/06 - 20060063443 - Method to assemble marine drive system, and marine propulsion apparatus The present invention provides a method to assemble a marine drive system wherein an acceptable-unacceptable criterion on the torsional vibration of a shaft of the marine drive system is established based on the correlation between the torsional stiffness of a propeller shaft and the moment of inertia of a propeller; ... 11/10/05 - 20050250395 - Water management system for propeller shaft seal Water management system for a propeller shaft stuffing box. The water management system includes a containment vessel sized and shaped to fit around a propeller shaft stuffing box. The containment vessel has first and second axially-aligned shaft bores at opposing ends thereof. The shaft bores are provided for receiving therein ... 09/15/05 - 20050202735 - Outboard drive for boats Outboard drive unit for boats, including an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (13, 14, 15) enclosed in a gear housing (11). With ... 09/15/05 - 20050202734 - Marine counter-rotating shaft drive mechanism A Counter-Rotating Shaft Drive Mechanism for a boat comprises an engine gearbox output shaft coupling (2); a differential arrangement which creates counter-rotating outputs in a dual output shaft arrangement and comprises a housing (1) and removable maintenance plates (4), means for arresting rotation of the differential housing and a coupling ... 06/09/05 - 20050124236 - Drive shaft supporting structure for jet propulsion watercraft A driveshaft supporting structure for a watercraft is provided that supports in a substantially watertight manner at least a portion of a driveshaft. The extends from an engine, which is disposed within an inner section of a hull of the watercraft (e.g., an engine compartment), to a propulsion unit that ... ### FreshPatents.com Support |