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7736206 |
Integrated tilt/trim and steering subsystem for marine outboard engines
A marine outboard engine is disclosed which comprises a drive unit, a tilt/trim/steering subsystem and a stern bracket adapted for connection to an associated watercraft. The tilt/trim/steering...
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7559814 |
Tilt/trim assembly and method
A transom shield assembly adapted to be coupled to a transom of an inboard/outboard boat includes a transom shield, and a cover, attachable to the transom shield, for covering a trim pump. The...
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7527539 |
Jack plate/travel stop system
A travel stop block has a rectilinear configuration, front and rear and top and bottom faces and with parallel side faces. A jack plate has two vertically aligned apertures in a central extent. The...
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7513810 |
Jack plate
An outboard motor jack plate comprising a transom mounting portion having a top and bottom. A motor mounting portion has a top and a bottom. There is a top cross support and a bottom cross support....
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7481688 |
Propulsion unit and boat
A boat can have a propulsion unit connected to a rear surface of a transom plate of a hull. The propulsion unit can have a propeller for producing thrust, a power device for driving the propeller,...
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7416459 |
Jack plate/hydraulic cylinder system
A cylinder is adjustably positionable between a jack plate and a fixed transom bar. A housing has an upper end, a lower end, a bottom cap and a top cap. The housing includes a piston. The piston is...
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7347753 |
Hydraulic actuation system for a marine propulsion device
A hydraulic system for a sterndrive marine propulsion device directs the flow of hydraulic fluid through the body and peripheral components of a gimbal ring in order to reduce the number and length...
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7255616 |
Steering system for a marine propulsion device
A steering system for a marine propulsion device eliminates the need for two support pins and provides a hydraulic cylinder with a protuberance and an opening which cooperate with each other to...
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7244152 |
Support system for an outboard motor
An adapter system is provided as a transition structure which allows a relatively conventional outboard motor to be mounted to a pedestal which provides a generally stationary vertical steering...
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7228810 |
Powerboat with disappearing tunnel
A shallow draft boat has a hull that protects a propulsion propeller within a tunnel that passes only partially through the hull from stern to bow. The hull has a mechanism, such as a flap for...
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7226326 |
Outboard motor steering angle and tilt/trim angle regulating system
An outboard motor steering angle and tilt/trim angle regulating system includes a pair of hydraulic cylinders each connected, at one end, to the boat through the stern brackets and connected, at...
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7195526 |
Trolling motor mount
A trolling motor for use with a watercraft is disclosed. The trolling motor comprises a head portion, a propulsion unit, a shaft coupling the propulsion unit to the head portion, and a mounting...
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7147525 |
Hydraulic steering apparatus for an outboard engine
A hydraulic steering apparatus 1 has a substantially bow-shaped frame 2, which includes a pair of end portions 2a bent forward. A piston rod 3 is supported by and between the end portions 2a. A...
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7131386 |
Marine propulsion system with pressure compensated hydraulic supply capability
A hydraulic system for a marine vessel incorporates a single hydraulic pump that can be driven by either first or second motive devices, such as an internal combustion engine or an electric motor....
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7104854 |
Hydraulic system for marine propulsion unit
An improved hydraulic system for a marine propulsion unit where it is insured that leakage of the shuttle valve will not permit the propulsion unit to move from the desired position by having a...
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7001230 |
Piston for tilt and trim unit of outboard drive of marine propulsion unit
A very effective unit for adjusting the condition of a marine propulsion device that is constructed in such a way to protect the various components from wear caused by foreign particles that may be...
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RE38851 |
Shock absorbing arrangement for marine outboard drive
A shock absorbing arrangement integrates in a compact manner into a fluid motor of a tilt cylinder, and consequently is particularly well suited for a small outboard drive that may only have a...
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6948988 |
Hydraulic tilt system for marine propulsion device
An outboard motor includes a drive unit and a bracket assembly mounted on an associated watercraft. The bracket assembly includes a swivel bracket carrying the drive unit for pivotal movement about...
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6908350 |
Trim apparatus for marine outdrive with steering capability
A marine outdrive (2) steering and trim system comprising a support linkage (26) which is either of fixed length (non-trimmable) or of an adjustable telescoping length (trimmable) and having a...
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6890227 |
Compact jack plate with improved access to hydraulic components
A jack plate is configured to allow removal of hydraulic components from a fixed portion of the jack plate without having to remove an outboard motor from the jack plate. A mechanical stop device...
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6830492 |
Marine drive trim cylinder with two stage damping system
A two stage damping system is provided for a trim cylinder mount of a marine drive unit. The mounting bushings comprise inner and outer tubes with an elastomeric material disposed between the inner...
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6824434 |
Outboard motor
An outboard motor includes upper and lower pivot shafts provided respectively in a swivel case and a pair of left and right stern brackets supporting the swivel case via a tilt shaft. Upper and...
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6821168 |
Power steering system for a marine vessel
An outboard motor is provided with an internally contained cylinder and moveable piston. The piston is caused to move by changes in differential pressure between first and second cavities within...
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6715438 |
Tiller operated power assist marine steering system
A tiller is preferably coupled to the outboard motor or other steered element of a watercraft such that movement of the tiller in a first manner imposes manually-generated steering forces on the...
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6695655 |
Tilt device for outboard drive
An improved tilt piston stroke control arrangement that employs a stroke control valve that controls the tilt stroke by closing a hydraulic conduit at a predetermined stroke position to thus...
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6500037 |
Servo steering mechanism for boats for example
Servo-assisted steering arrangement for an element pivotable about a steering axis, for example a propeller drive means suspended on a boat transom, said drive means driving a pair of hydraulic...
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6471556 |
Tilting mechanism for outboard motor
A mechanism for tilting an outboard motor. The mechanism has an outboard motor which is attached to a hull so as to be tilted up and down, a cylinder for driving the outboard motor to change a...
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6468120 |
Single cylinder trim/tilt assembly
Inboard/outboard trim/tilt assembly including a shield assembly for being secured to a transom of the boat. A gimbal ring is pivotably coupled to the shield assembly at an axis of rotation. A drive...
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6461205 |
Hydraulic circuit of tilt device for marine propulsion unit
In a hydraulic circuit of a tilt device for a marine propulsion unit provided with a tilt cylinder device and a trim cylinder device, a throttle is provided in a communication passage connecting a...
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6454620 |
Integrated external hydraulic trimming and steering system for an extended sterndrive transom assembly
A marine propulsion system is provided with a drive unit that is attachable to a transom of a marine vessel and provided with steering cylinder assemblies and trimming cylinder assemblies which are...
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6454619 |
Tilt device for marine propulsion unit
To provide a tilt device for a marine propulsion unit comprising a pair of cylinder devices to be disposed at right and left of a marine propelling unit. Also a hydraulic fluid supply/discharge...
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6431927 |
Outboard propeller drive system for watercraft
A marine propulsion system mounted on the stern of a boat adaptable to propelling the boat at high speeds through and over water. The depth of operation of the propeller in the water as well as the...
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6416370 |
Watercraft hydraulic apparatus
A common fluid pressure supply apparatus (40) for a watercraft (10). A fluid interconnection apparatus interconnects the hydraulic fluid circuits operating the hydraulic transmission (18), power...
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6409556 |
Variable height outboard motor mount apparatus
A motor mount for connecting an outboard motor to the transom of a boat includes mechanisms for raising and lowering the height of the motor with respect to the transom. The mount has an upper...
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6406340 |
Twin outboard motor hydraulic steering system
A hydraulic steering assembly applies a force to a tiller arms of twin marine, outboard propulsion units and rotates the propulsion units about a steering axis between a center position and hard...
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6402576 |
Plastic ball bearing seat for trim cylinder of outboard marine engine
A marine engine tilt and trim unit having a trim cylinder with a polymer ball bearing seat. The polymer seat reduced chatter during trim operations.
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6402577 |
Integrated hydraulic steering system for a marine propulsion unit
A hydraulic steering system is provided in which a steering actuator is an integral portion of the support structure of a marine propulsion system. A steering arm is contained completely within the...
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6390866 |
Hydraulic cylinder with anti-rotation mounting for piston rod
A double-acting hydraulic cylinder and piston rod unit having fluid hoses for conducting fluid thereto. A generally flat outer end is provided on the piston or cylinder. A bracket has a spherical...
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6383043 |
Vertical trim system for marine outdrives
A vertical trim system for a marine inboard-outboard outdrive includes a transom plate (12) and arms (18, 20) having first ends attached to the transom plate and second ends attached to a gibal...
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6375524 |
Vessel comprising a retractable thruster
A retractable thruster (5) is connected to a lifting device for retracting the thruster in two stages, the lifting device in the first stage lifting the thruster to a level at or near the keel (7)...
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6332817 |
Trim-tilt device for marine propulsion unit
In a trim-tilt device for a marine propulsion unit 20, a portion of a cylinder 41 of a cylinder device 21 which project from a housing 31 outward in a region of a trimming operation is covered with...
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6309265 |
Power tilt and trim system for outboard drive
A power tilt and trim system for an outboard drive includes an improved construction that can be formed in compact nature without significantly reducing its strength. The system includes a support...
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6287160 |
Tilt and trim arrangement for marine propulsion
A tilt and trim arrangement for marine propulsion includes an improved construction. A swivel bracket, which carries a drive unit for pivotal movement about a steering axis includes a pair of ribs...
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6280268 |
Tilt device for marine propulsion unit
A tilt device for a marine propulsion unit is disclosed where a shock blow valve comprises a disk valve fixed to a valve seat surface of the piston, the valve seat surface being provided with a...
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6276977 |
Integrated hydraulic steering actuator
A hydraulic actuator is provided for an outboard motor system in which the cylinder and piston of the actuator are disposed within a cylindrical cavity inside a cylindrical portion of a swivel...
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6276976 |
Tilt and trim system for outboard drive
A tilt and trim assembly for tilting an outboard drive includes an improved construction. The tilt and trim assembly has an outer cylinder defining a first internal cavity, a tilt cylinder slidably...
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6273770 |
Hydraulic tilt system for marine propulsion
A hydraulic tilt system for a marine propulsion includes an improved construction for ensuring a reliable tilting operation and holding the marine propulsion at a tilted position securely. The...
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6264513 |
Wireless marine control system
A wireless remote control system for extending the control functions of the electrically actuated control systems of a boat including a plurality of transmitters and receivers, each transmitter...
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6261139 |
Steering control apparatus for inboard-outboard drive
A steering control apparatus 10 for inboard-outboard marine drives having an hydraulic steering cylinder 20 mounted horizontally along the transom 16 at an inboard position centered above and...
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6220905 |
Tilt-trim subsystem for marine propulsion systems
A tilt-trim subsystem and method for a boat propulsion system is provided. A stern bracket is mounted on a transom of the boat. A swivel bracket is pivotally supported relative to the stern bracket...
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