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Class 440/83 - Shafting


Subclass of Class 440 - Marine propulsion
Definition: Device wherein significance is attributed to a rotating
No. of patents: 221
Last issue date: 04/10/2012


1            
NumberTitleIssue Date
8152578Drive train coupling
A joint 10 is shown for transmission of torque between an input shaft 12 and an output shaft 14. In the form shown, the joint 10 comprises an outermost helical coil spring 16 and an innermost helical coil spring 18, both of ...
04/10/2012
8092266Marine vessel propulsion unit
A marine vessel propulsion unit includes an engine, a drive shaft, a propeller shaft, a propeller, an intermediate shaft, a forward-reverse switching mechanism, and a shock reduction mechanism. The intermediate shaft is arranged on a central rotation axis of the pro...
01/10/2012
8038492Underwater propulsion apparatus performance enhancement device and associated methods
A device that when fitted to a motor vessel's existing propulsion gear improves the performance and reduces potential damage and wear of underwater propeller shaft bearings, commonly referred to as “cutlass bearings” that are used on boats, ships, etc. Designed ...
10/18/2011
8038491Boat
A boat includes a connection structure that connects couplings via a transfer shaft on a rear end portion of a crankshaft extending rearward from an engine. The crankshaft and the transfer shaft are connected by screwing an external thread and a front internal threa...
10/18/2011
7837524Underwater propulsion apparatus performance enhancement device and associated methods
A device that when fitted to a motor vessel's existing propulsion gear improves the performance and reduces potential damage and wear of underwater propeller shaft bearings, commonly referred to as “cutlass bearings” that are used on boats, ships, etc. Designed ...
11/23/2010
7500892Marine propulsion system
A propulsion system is disclosed for moving a hull of a watercraft through a body of water. The propulsion system includes a power transfer unit that comprises a housing with an interior, an input gear positioned in the interior for being rotated by the engine, and ...
03/10/2009
7494392Outboard motor shaft support
A marine outboard motor has a rotary bearing on the vertical drive shaft intermediate its ends. This bearing is mounted in a housing that joins the power head to the lower unit. The bearing prevents failure that may occur when the shaft has an unbalance that causes ...
02/24/2009
7494391Propulsion unit for outboard motor
A lubricant circulating system has a lubricant passage formed in a propeller shaft. The lubricant passage extends axially along the propeller shaft from a bevel gear mechanism to a position proximate to a journal of the propeller shaft. The journal of the propeller ...
02/24/2009
7438612Propeller 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...
10/21/2008
7419432Coupling 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 s...
09/02/2008
7413491Marine vessel propulsion structure and marine vessel driving apparatus
In an outboard drive or an inboard-outboard drive, power generated by a single engine is transmitted in left and right directions from a main drive shaft, thereby finally causing left and right propellers to be rotated, the left and right propellers being arranged a...
08/19/2008
7387554Damping mechanism for a marine propeller
A transmission for a marine propulsion device is provided with a movable member that responds to relative rotational movement between it and a driving shaft with an axial movement relative to the driving shaft and to a driven component. This axial movement is direct...
06/17/2008
7370624Piston engine with integrated balance shafts
A piston engine with a compensation shaft unit, wherein a window surrounded by a flange is provided on the crankcase thereof. The flange forms a separating surface to which the housing of the compensation shaft unit is fixed by means of screws. In order to ensure cl...
05/13/2008
7367740Mechanically lockable universal joint and structures employing such joint
An adjustable support stand for an article such as a camera employs a plurality of elongated links connected to one another at their ends by lockable universal joints. Each joint consists of a pair of complementary knuckles, each joined to a link end by a splined co...
05/06/2008
7325509Retractable mooring line device
A retractable mooring line device comprising a reel for storing and paying off a mooring line (2), having side walls (22, 24) each comprising a series of notches (60) for receiving a releasable latch (54). A latch simultaneously engages b...
02/05/2008
7314396Outboard motor
In an outboard motor mounted 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 connect...
01/01/2008
7311574Integrated marine motor support and transmission apparatus
An integrated motor support and transmission apparatus for a marine propulsion system having a motor and marine drive with a drive shaft, comprising: an output shaft; a support housing attached to a marine vessel and having an upper end and a lower end, the upper en...
12/25/2007
7305928Method for positioning a marine vessel
A vessel positioning system maneuvers a marine vessel in such a way that the vessel maintains its global position and heading in accordance with a desired position and heading selected by the operator of the marine vessel. When used in conjunction with a joystick, t...
12/11/2007
7278895Marine vessel
A marine vessel includes a hull and has at least one load carrying facility defined by at least one loading space with a given height, a given width and a given length, whereby the loading space is provided on a bulkhead deck, and a propulsion arrangement, which inc...
10/09/2007
7278894Propeller shaft assembly with energy absorbing material
A propeller shaft assembly comprises a connect shaft portion, a plungable constant velocity joint, and a hollow shaft portion with a cavity. An energy absorbing material is disposed within at least a portion of the cavity. The material absorbs energy when the consta...
10/09/2007
7280219System for monitoring sealing wear
A system for determining at least one condition of a seal including an optical fiber for transmitting light from a light source. The optical fiber is embedded in the seal and operatively coupled to an interferometric system. The interferometric system is operatively...
10/09/2007
7267068Method for maneuvering a marine vessel in response to a manually operable control device
A marine vessel is maneuvered by independently rotating first and second marine propulsion devices about their respective steering axes in response to commands received from a manually operable control device, such as a joystick. The marine propulsion devices are al...
09/11/2007
7241117Motor shaft assembly and method
A method for assembling a motor shaft with a bearing, a motor housing, and an impeller is disclosed. A motor shaft extension is used to retain the impeller axially on the motor shaft and allows the motor shaft to drive an additional component, such as an impeller, l...
07/10/2007
7238066Pod propulsion system with rim-mounted bearings
A pod propulsion system comprises a housing defining a fluid duct and an annular drum rotatably mounted to the housing within the fluid duct. The annular drum has a drum interior and a cylindrical outer surface. The system further comprises a rotor mounted to the dr...
07/03/2007
7238070Outboard motor
An outboard motor cam have a power transmission mechanism for transmitting rotational power of a crankshaft of an engine to a propeller through a drive shaft, an advancing/reversing-switching mechanism and a propeller shaft, and adapted to be propelled by the propel...
07/03/2007
7223074Propeller shaft arrangement, propeller arrangement, adaptive arrangement and propulsion arrangement
Apparatus for adapting a propeller system including a propeller shaft (15, 16) and a propeller (7, 8) adapted to be mounted on the propeller shaft (15, 16). The propeller system includes a propeller (7, 8) connected in a rotationally fixe...
05/29/2007
7223076Propeller shaft and a propeller adapted thereto
Propeller shaft (2) and a propeller (7) for marine drive units. The shaft has a splines portion (3) on which the propeller is designed to be fixed. The shaft also has a threaded portion (10) for a lock nut between the shaft end and the sp...
05/29/2007
7223073Boat propeller
A boat propeller comprising a central hub member and an inner hub assembly that defines a longitudinally extending bore having an inner surface. The exterior surface of the central hub member is sized and shaped for disposition therein the bore of the inner hub asse...
05/29/2007
7211173System for inhibiting fouling of an underwater surface
A marine fouling inhibiting system comprises first and second conductors which are made of a polymer matrix, such as vinyl ester, and a suspended conductor, such as graphite powder or particles. This type of conductive material is formed to provide two sections of a...
05/01/2007
7210974Slip-on linkage
A linkage for coupling to at least one rotatable shaft of a high voltage circuit breaker has an elongated body having a central body portion and opposed end portions. At least one of the end portions comprises a pair of parallel side walls and a bottom wall extendin...
05/01/2007
7207855Joint
A joint for transmission of torque between an input element and an output element, the joint including a spring associated with the input and output elements and arranged in use to transfer torque between the elements, and a resiliently deformable member arranged to...
04/24/2007
7207852Ship propulsion arrangement
A ship propulsion arrangement is provided in which a mechanical drive shaft (3) extends through a hull (9) of a ship (1) to an external body (7). The external body incorporates an electric motor. The mechanical drive shaft (3) is d...
04/24/2007
7198531Drive shaft supporting structure for jet propulsion watercraft
A drive shaft supporting structure for a watercraft is provided that supports in a substantially watertight manner at least a portion of the driveshaft. The drive shaft extends from an engine, which is disposed within an inner section of a hull of the watercraft (e....
04/03/2007
7192321Marine inboard/outboard system
An improved marine vessel includes a hull, the hull including a transom and having a predetermined waterline intersecting the hull and the transom. The vessel further includes an upper driveshaft disposed above the waterline, an engine disposed within the hull inclu...
03/20/2007
7188543Gear and bearing mechanism for improved ease of assembly within a gearcase
A retaining member is provided and attached to a bevel gear in order to allow the bevel gear to be attached, prior to assembly, to a bearing adapter. The retaining member is provided with first and second protuberances that extend radially outwardly from diametrical...
03/13/2007
7175491Assembly system for a marine propulsion device
A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive unit to form a single marine propulsion system structure which can be lo...
02/13/2007
7175176Device for feeding suction air or blowing air in a sheet-processing machine
A device for feeding suction air or blowing air to a sheet-retaining device displaceable relative to a machine element in a sheet-processing machine, includes a first air-feeding element connectible in terms of flow to a suction-air or blowing-air source. A second a...
02/13/2007
7140932Outboard motor shift mechanism
In a shift mechanism for an outboard motor mounted on a stem of a boat and having an internal combustion engine at its upper portion and a propeller at its lower portion that is powered by the engine to propel the boat, having an electric motor installed in the outb...
11/28/2006
7131385Method for braking a vessel with two marine propulsion devices
A method for controlling the movement of a marine vessel comprises steps that rotate two marine propulsion devices about their respective axes in order to increase the hydrodynamic resistance of the marine propulsion devices as they move through the water with the m...
11/07/2006
7117806Personal watercraft
A body structure of a water-jet propulsion personal watercraft, comprises a body having an inner space defined by a hull and a deck, an engine mounted within the inner space of the body, a water jet pump placed behind the engine and configured to be driven by the en...
10/10/2006
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