Matches 1 - 50 out of 203 1 2 3 4 5 >
Match Document Document Title
7625255 Marine propulsion machine provided with drive shaft  
An outboard motor S has a first drive shaft 31 directly interlocked with an engine E, a second drive shaft 32 , an intermediate gear mechanism 33 interlocking the first drive shaft 31 and...
7607958 Marine engine  
A boat has a hull, a deck having a deck floor, and an engine disposed in the hull. A top of the engine is disposed vertically below the deck floor. The engine includes a crankcase, a crankshaft, a...
7530870 Drive shaft sealing device for small watercraft  
A sealing member can include a radially-working lip which contacts a drive shaft in a radial direction to seal a gap between the drive shaft and the housing in the radial direction, an...
7530869 Marine propulsion machine having drive shaft  
In an outboard motor S, a first drive shaft 31 and a second drive shaft 32 are interlocked by an intermediate gear mechanism 33 including a drive gear 34 mounted on the first drive shaft ...
7500892 Marine 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...
7494392 Outboard 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...
7494391 Propulsion 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...
7488225 Propeller for boat  
A propeller for a boat includes a propeller shaft having a shaft hole, a shaft sleeve mounted in the shaft hole of the propeller shaft and provided with a metal core with a through hole for...
7438612 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 16 b is fixed to one side of a flat linerboard 16 a so that...
7419432 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...
7413491 Marine 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...
7387554 Damping 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...
7314396 Outboard 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...
7278895 Marine 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...
7278894 Propeller 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...
7238070 Outboard 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...
7238066 Pod 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...
7223076 Propeller 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...
7210974 Slip-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...
7207855 Joint  
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...
7198531 Drive 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,...
7066777 Marine inboard/outboard system  
A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The...
7011557 Amphibious vehicle  
Amphibious vehicle comprises longitudinally mounted prime mover, transmission, and offset final drive; with drive outputs; and a power take off. Outputs drive front and rear differentials, via...
7008279 Drive shaft support structure for marine propulsion machine  
In a drive shaft support structure for a marine propulsion machine, a gear case is provided with a vertical drive shaft receiving, bore and a drive shaft driven by an internal combustion engine is...
6945833 Fluid thrust assembly with self-aligning thrust bearings  
A thrust bearing assembly is described that includes a self-aligning thrust bearing used in fluid thrust assemblies where the thrust may become unevenly distributed, e.g. in a water jet propulsion...
6902452 Marine split bearings with right angle removeable grooved retainer covers  
A sternpost or strut bearing assemblage is disclosed having a flat mounting plate integrally formed with a pair of separated collars, which collars have their centers longitudinally aligned with...
6892666 Watercraft suspension  
A watercraft has a pivoting, shock absorbing component that absorbs forces applied to its hull. The watercraft includes a hull, a deck coupled to the hull, an engine, and a jet propulsion system...
6875068 Cover structure for a shaft coupling of a personal watercraft  
In a personal watercraft with an engine 17 disposed at a central portion of a craft body and a water jet propeller 18 disposed at a stern of the watercraft, a propeller shaft 33 of the water...
6875067 Axially adjustable thrust bearing for jet propulsion units  
The present invention relates to a jet propulsion unit ( 1 ) for propulsion of a waterborne craft comprising at least one impeller pump ( 3 ) with a pump housing ( 4 ) in which an impeller shaft (...
6872108 Drive shaft bearing structure for watercraft  
A bearing body for rotatably supporting a drive shaft for driving an impeller on a watercraft body includes a bearing chamber containing bearing members rotatably supporting the drive shaft. Seal...
6855017 Power train  
Power train for an amphibious vehicle has an engine aligned with vehicle axis. The crankshaft drives optional flexible coupling, shaft, and optional decoupler. Drive shaft drives marine propulsion...
6840828 Expandable retaining ring assembly  
A retaining ring assembly and method of assembly is disclosed. A gearcase includes a propeller shaft housing that is retained in the gearcase. The propeller shaft housing is secured against...
6814635 Vertically extendable arrangement for marine propulsion device  
An outboard motor has a driveshaft housing and a lower unit coupled with each other. A driveshaft, which extends through the driveshaft housing and the lower unit, is divided into upper and lower...
6796858 Stator vane and impeller-drive shaft arrangements and personal watercraft employing the same  
The invention is directed to a thick stator vane that effects continuous acceleration of the water stream within the jet pump, a non-uniform spacing of stator vanes or impeller blades to reduce...
6796857 Propulsion system for a ship  
The invention comprises a propulsion system for ships comprising an impeller ( 13, 14 ), a stator shell ( 1 ), and a impeller housing ( 3 ) for achieving a waterjet, a shaft ( 11, 12 ) for the...
6790108 Boat propulsion system  
A boat propulsion system for propelling a boat through water with debris in the water and shallows. The boat propulsion system includes a motor assembly being designed for being positioned in a...
6758707 Propeller drive shaft mounting support unit for an inboard drive marine vessel and method of forming same  
A mounting support ( 100, 200 ) for a marine vessel inboard drive propulsion system used in connection with a precision driveline includes a substantially cylindrical housing ( 107 ), one or more...
6739923 Engine alignment jig assembly for small watercrafts and method of positioning engine using the same  
An engine alignment jig assembly, which is used for installing an engine in a hull of a small watercraft via four engine mounts in such a manner that an output shaft of the engine is in alignment...
6729920 Coupler mounting structure for vessels  
An impeller drive shaft in a vessel is supported on a vessel body at a midsection thereof by a bearing member. A driven side coupler to be coupled with a drive side coupler on the side of an engine...
6716076 Output shaft structure of personal watercraft  
To provide an output shaft structure of a personal watercraft, which is capable of enhancing the durability of the engine. An engine is mounted on a watercraft body with a crankshaft extending in...
6708634 Output power shaft structure for personal watercraft  
To provide an output power shaft structure for a personal watercraft which is superior in durability. A shaft of a propulsion device is connected to a rear end of a crankshaft of an engine, which...
6702632 Lubrication system for outboard motor shaft coupling  
A lubrication system is provided that allows delivery, and preferably regulated delivery, of lubricant to a coupling between a crankshaft and the driveshaft of, for example, an outboard motor. The...
6699084 Drive shaft bearing structure for boat  
A bearing member for rotatably supporting a drive shaft for driving an impeller on a boat body configured to prevent wearing of an outside circumferential surface of a drive shaft and/or an inside...
6695656 Drive shaft support structure for small watercraft  
A drive shaft support structure for a boat for preventing water from penetrating a boat body via a cylindrical portion through which the drive shaft passes. The cylindrical portion extends inwardly...
6679741 Propulsion system having means dedicated for driving accessories in a boat  
A propulsion system and method for driving one or more accessories in an outdrive of a boat having an engine coupled to a drive shaft to supply torque thereto are provided. The torque received by...
6659819 Drive shaft connecting structure  
To ensure that fitting a coupler rubber in a reverse condition will be prevented, and to ensure that the fitting direction of the coupler rubber can be visually checked even after the fitting. A...
6659818 Shock-absorbing propeller assembly  
A method and apparatus is disclosed for connecting a drive axle to a propeller. A drive member is configured to mount on a drive axle, a tubular member is coupled to the propeller, and a resilient...
6648705 Shaft coupling for outboard motor  
A shaft coupling for an outboard motor includes an improved construction that can be held under a good lubricative condition. The outboard motor includes an engine. An engine body defines a first...
6562206 Anode assembly  
A propeller attachment is disclosed including a body, the body including an anodic material, at least one projection projecting from the body, and a fastener coupled to the body. An anode is also...
6547613 Marine drive transmission  
A power transmission system for a marine propulsion unit includes an improved construction that can absorb a shock generated when a shift mechanism is operated. The propulsion unit has a powering...
Matches 1 - 50 out of 203 1 2 3 4 5 >