Abstract: A hybrid ship propulsion machine includes an internal-combustion-drive propulsion part, a fixing bracket configured to fix the internal-combustion-drive propulsion part to a ship, an electric propulsion part, an elevating device configured to elevate and lower the electric propulsion part; and an attachment bracket attaching the electric propulsion part and the elevating device to the fixing bracket. The elevating device is configured to elevate and lower the electric propulsion part between a position where a second propeller of the electric propulsion part sinks below a water surface and a position where the second propeller comes out of the water surface.

Abstract: An adjustable and modifiable jack plate for attaching and positioning an outboard motor to the transom of a boat. The jack plate has a lift plate to attach the outboard motor, the lift plate having cylindrical polymer bearings on each of two lateral sides, the two bearings slidingly received in bearing retainers configured as a pair of C-shaped channel members, each channel member having a unitary vertical flange. Each flange being connected to a cooperating flange of a pair of L-shaped wing brackets, the cooperating flanges forming a lap joint. The L-shaped brackets are easily replaced with different L-shaped brackets having different set back distances for optimizing performance. A control system includes a user interface that has up and down buttons, a plurality of memory buttons for returning the lift plate to specific stored positions, and a numeric readout the provides a specific lift measurement in units such as inches.

Abstract: The invention relates to a platform arrangement (110) mounted to a stern portion of a marine vessel (100). The platform arrangement comprises at least one first platform section (111) with a first transverse pivot joint (113) mounted adjacent a transom (105); at least one propulsion unit (101) mounted to a lower surface of the first platform section (111), wherein the at least one propulsion unit (101) and its first platform section (111) are tiltable between a drive position and an upwards tilted position. A second platform section (112) is located in front of the at least one first platform section (111), which second platform section (112) has a second transverse pivot joint (114) mounted adjoining the first transverse pivot joint (113) of a corresponding first platform section (111). The first and second platform sections (112) are foldable relative to each other about their respective first and second pivot joints (113; 114). The invention further relates to a vessel comprising the platform arrangement.

Abstract: An outboard motor includes an attachment attached to a hull, and a support vertically rotatably connected to the attachment and horizontally rotatably supporting an outboard motor main unit. The support includes an upper support and a lower support. The outboard motor includes a left reinforcement that includes a left upper connector connected to the upper support and a left lower connector connected to the lower support, and a right reinforcement that includes a right upper connector connected to the upper support and a right lower connector connected to the lower support. The left upper connector is located leftward of a left side of the upper support. The right upper connector is located rightward of a right side of the upper support.

Abstract: The present invention is a motor and motor mounting system for kayaks and other watercraft. The mounting system uses a set of mounting plates and a mounting knuckle that are can be attached directly to a wide variety of kayak stern shapes. The mounting system further utilizes a unique slot system along with a pivoting bracket to keep the motor in line with the direction of travel when lowered or upright and out of the water when raised. The present invention is further comprised of a motor to propel the kayak and a motor controller system allowing user control.

Abstract: Techniques are disclosed to enable a system for controlling the propulsion and steering of a boat by a boat operator. The boat has at least one propulsion and steering motor assembly connected to the boat with a propeller, and a propulsion motor. It also has left and right pivoting pedals to provide a signal that controls the angle of the propeller so that if the left pedal is pivoted in a first pivot direction by a first percentage and the right pedal is pivoted in a second pivot direction by a second percentage, the boat executes a turn, moves forward, or moves in reverse.

Abstract: The trolling motor releasable mounting bracket system is for trolling motors (e.g., GPS guided trolling motors), includes its own power plug within the assembly, and is configured to mount a trolling motor to a vessel deck. The system includes a motor bracket and a vessel bracket. The motor bracket includes a receiving section to slidably receive the vessel bracket therein. The motor bracket further includes a motor power cord section including a motor power cord channel configured to route a motor power cord and secure an associated motor power connector therein. The vessel bracket includes a vessel power cord section including a vessel power cord channel configured to route a vessel power cord and secure an associated vessel power connector therein, And, the motor power cord channel and the vessel power cord channel are configured to align the respective motor power connector and the vessel power connector.

Abstract: Techniques are disclosed to enable a system for controlling the propulsion and steering of a boat by a boat operator. The boat has at least one propulsion and steering motor assembly connected to the boat with a propeller, and a propulsion motor. It also has left and right pivoting pedals to provide a signal that controls the angle of the propeller so that if the left pedal is pivoted in a first pivot direction by a first percentage and the right pedal is pivoted in a second pivot direction by a second percentage, the boat executes a turn, moves forward, or moves in reverse.

Abstract: Combination of boat and outboard engine, in which at least one outboard engine is fastened to the transom of the boat in a prearranged position, the engine being mounted to translate along a path with at least one motion component having a vertical orientation in a direction away from or close to the waterline of the boat, that is, of smaller or greater propeller draft, and a motion component having a horizontal or longitudinal orientation in a direction away from or close to the transom of the boat.

Abstract: A marine outboard motor mount fastener retainer, system, and method are presently disclosed. The fastener retainer has a first end portion configured to be held about a first motor mount fastener and a second end portion configured to be held about a second motor mount fastener. An extension extends from the first end portion of the motor mount fastener retainer to the second end portion of the motor mount fastener retainer. The extension is configured to hold the first and the second end portions of the retainer and to prevent rotation of the first and the second motor mount fasteners.

Abstract: A clamping system which holds fast to a rigid elongated structure that is tubular in nature, but not circular in circumference. The clamping system achieves stability by compressive forces generally in a constrictive fashion. However, the clamp does not completely encircle the rigid elongated structure. Further, this clamping system utilizes the striations and/or noncircular nature of the elongated structure to hold fast. The clamping system is temporary and requires no modification to original hardware. The clamping system provides at least one mounting point for accessories. This clamp is installed and removed by hand or with common hand tools, depending on the style of clamp.

Abstract: An integrated jack plate and kick up bracket is provided that is useful and safe even at relatively high boat speeds (e.g., in excess of 10 miles per hour). The bracket uses a jack plate to raise and lower an outboard. The jack plate is hingedly connected to the boat transom such that the jack plate assembly can rotate if the outboard has not been raised high enough to clear a submerged obstacle which the lower unit of the outboard motor strikes. Rotation of the jack assembly about the hinge is limited by a limiting strap affixed to the transom (or transom mounted portion of the bracket) and a lower portion of the jack assembly.

Abstract: There is a transom portion with a transom plate and two extensions. There is a motor portion with a motor plate and two extensions. The transom portion and motor portion are pivotably coupled. The transom portion has a hydraulic cylinder base support bracket. The motor portion has a hydraulic cylinder ram support bracket. There is a hydraulic cylinder having a base and a ram. There is an electric hydraulic pump, the electric hydraulic pump being operatively coupled to the hydraulic cylinder.

Abstract: A jack plate has a pair of transom mounting brackets and a pair of slide plate holders. There is a slide plate holder lower cross member and a pivot pin. The pivot pin rotatably couples the transom mounting brackets and the slide plate holders. There is a slide plate and a single unit hydraulic lifting assembly. The hydraulic lifting assembly is coupled to the lower cross member at a location right of the centerline of the lower cross member.

Abstract: A support unit for supporting an exhaust system (18) of a vehicle comprises at least one support element (26) made of light metal die-cast material.

Abstract: An assembly is provided for mounting an outboard motor to a transom of a marine vessel. A support structure is configured to be coupled to the transom by a plurality of fasteners that extend through the support structure and through a set of holes that have been drilled in the transom. A steering head is coupled to the support structure and configured to support an outboard motor thereupon for rotation about a generally vertical steering axis. The set of holes is divided by a generally vertical fore-aft central plane, and the outboard motor extends along a generally vertical fore-aft central plane. The support structure and the steering head are coupled to one another such that the central plane of the outboard motor is capable of being laterally offset from the central plane of the set of holes. An assembly for mounting two or more outboard motors is also provided.

Abstract: An apparatus is for mounting a marine drive to a hull of a marine vessel. An outer clamping plate faces an outside surface of the hull and an inner clamping plate faces an opposing inside surface of the hull. A marine drive housing extends through the hull. The marine drive housing is held in place with respect to the hull by at least one vibration dampening sealing member that is disposed between the inner and outer clamping plates. A first connector clamps the outer clamping plate to the outside surface of the hull and a second connector clamps the inner clamping plate to the outer clamping plate. The inner and outer clamping plates are held at a fixed distance from each other so that a consistent compression force is applied to the vibration dampening sealing member.

Abstract: A trim stabilizer device to be communicated with a transom of a motor boat includes a foil tiltable around its transversal axis and the foil is structurally independent from the transom. An actuator communicates with the foil for tilting. A slide mechanism communicates with the actuator for making a translatory motion thereof relative to the transom. A disc having at least one guide groove guides the slide member; and a connecting member connects the trim stabilizer device to the transom, the connecting member communicates with the disc.

Abstract: A jack plate for easily and effectively mounting a secondary motor to a pontoon boat. The mount comprises a horizontal supporting member affixable to a pontoon decking and a downward member rigidly and operably coupled to the horizontal supporting member and extending from the horizontal member downwardly, wherein the motor is operably coupled to the downward member. Optionally, the mount further comprises a supporting member operably coupled on a first end at an intermediate position to the downward member, wherein a second end of the supporting member is affixable to a pontoon hull extension.

Abstract: The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length.

Abstract: A trolling motor mount comprising a base for attaching the mount to a watercraft, an arm assembly pivotally attached to the base, a motor mount assembly pivotally attached to the arm assembly for rotatably securing the trolling motor, and an actuator adapted to move the arm assembly between a fully deployed position and a fully stowed position. The actuator may comprise a linear actuator. The arm assembly may comprise a single elongated arm or a four bar linkage system. The mount may further comprise a user control such a switch, a wireless remote control, or wired remote control.

Abstract: A jack plate for vertically raising and lowering an outboard motor mounted on a boat. The jack plate comprises a motor lift and a jack plate mounting assembly. The jack plate mounting assembly has a transom plate and a pair of spacing brackets with jack plate rails. The motor lift has a pair of bearings that are interlocked to a lift plate. The motor lift is slidably situated within the jack plate rails. Complementary geometries of the outer side edges of the lift plate and inner edges of channels in the bearings, as well as the spacing between the jack plate rails, provide a pressure fit that secures the lift plate between the bearings once the bearings are inserted into the jack plate rails.

Abstract: A jack plate for vertically raising and lowering an outboard motor mounted on a boat. The jack plate comprises a motor lift and a jack plate mounting assembly. The jack plate mounting assembly has a transom plate and a pair of spacing brackets with jack plate rails. The motor lift has a pair of bearings that are interlocked to a lift plate. The motor lift is slidably situated within the jack plate rails. Complementary geometries of the outer side edges of the lift plate and inner edges of channels in the bearings, as well as the spacing between the jack plate rails, provide a pressure fit that secures the lift plate between the bearings once the bearings are inserted into the jack plate rails.

Abstract: A jack plate for vertically raising and lowering an outboard motor mounted on a boat. The jack plate comprises a motor lift and a jack plate mounting assembly. The jack plate mounting assembly has a transom plate and a pair of spacing brackets with jack plate rails. The motor lift has a pair of bearings that are interlocked to a lift plate. The motor lift is slidably situated within the jack plate rails. Complementary geometries of the outer side edges of the lift plate and inner edges of channels in the bearings, as well as the spacing between the jack plate rails, provide a pressure fit that secures the lift plate between the bearings once the bearings are inserted into the jack plate rails.

Abstract: A boat body for a boat includes a projecting portion arranged to support one or more outboard motors at a position spaced upward and rearward from a transom. The projecting portion extends from a rear portion of the transom of the boat body, and the projecting portion supports the outboard motors at locations upward and further rearward than in a case where the outboard motors are directly installed on the transom. The projecting portion includes a projecting member that is bilaterally symmetrical and that decreases in width in a rearward direction and in an upward direction. The projecting portion includes a side thruster passing through the projecting portion in a horizontal direction. When viewed from the side, a lower edge portion of the projecting portion includes a slanting portion that is generally linear and that extends rearward and upward from a lower portion of the transom. When viewed from the rear, the lower edge portion of the projecting portion has a generally V-shape.

Abstract: An adjustable engine mount for a pontoon boat makes it possible to adjust the relative position of an outboard engine relative to the waterline of the boat. The mount has an elongated, tapered, four-sided body which is attached to the bottom of the hull of the boat by a pair of spaced apart, elongated mounting rails. The body is a substantially U-shaped, continuously changing cross section with an engine-mounting wall located adjacent the stern of the boat. The bow end of the body is pivotably attached to the mounting rails. The stem ends of the rails have a plurality of vertically disposed bolt holes. The vertical position of the body can be adjusted by selecting which vertically disposed bolt holes in the rails to use.

Abstract: 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 bracket and a lower bracket, each having upper and lower rectangular horizontal plates, all of which are aligned vertically. The horizontal plates of each bracket are connected to L-shaped vertical plates. The two brackets are interconnected and overlapped with the top plate of the lower bracket being located above the lower plate of the upper bracket. A pair of hydraulic cylinders operate between plates of the lower bracket, and piston rods propelled by the cylinders move the upper bracket up and down. Vertically extending rods are used to prevent twisting, and bearing capability is provided in cylinder assemblies.

Abstract: A manually adjustable outboard motor mount comprises two bracket assemblies, one being attachable to a boat transom and the other being adapted to support an outboard motor. The motor bracket assembly is constrained to movement in a straight, substantially vertical path relative to the transom bracket assembly by the cooperation of interengaging ribs and recesses on the brackets. The brackets, which have their ribs on their outer faces and their recesses on their inner faces, can be formed from a single extrusion. Cross braces fit into the recesses on the inner faces of the brackets.

Abstract: A mounting system for an inflatable boat of the type having opposed first and second tubular gunwale sections extending from a tubular U-shaped stern section including a band horizontally positionable on a rearward surface of the U-shaped stern, a first strap that encircles the first gunwale section and secured to the band adjacent one end thereof, a second strap that encircles the second gunwale section and secured to the band adjacent the other end thereof, a bracket secured to the band at the boat stern and receiving a battery therein, a submersible motor having a horizontal propeller shaft rotatably extending therefrom to which is affixed a propeller, the motor being positioned beneath and supported by the bracket, and a motor control supported to a gunwale section of the boat and electrically interposed between the battery and the motor.

Abstract: A powered jack plate for use with a marine outboard motor in a marine environment; the inward side of the jack plate is attached to the transom of a boat; the outboard motor is attached to the outward side of the powered jack plate; hydraulic power is the preferred power source, hydraulic fluid being supplied by a separate hydraulic pump; the jack plate comprises a pair of opposing supports which are interconnected by support bars; the opposing supports incorporate linear bearings in which rides a slide which is capable of vertical movement; the linear bearings are provided with grease fittings for positive lubrication; the outward side of the opposing supports is higher than the inward side thereby permitting maximum upward travel of the slide and the linear bearings are locked into the opposing supports via an undercut groove which is integral with these supports.

Abstract: A number of embodiments of outboard drive systems that include a combined vertically extending drive shaft driven by the propulsion unit and which drives a generally horizontally extending propeller shaft that drives a propeller positioned substantially rearwardly of the transom. The propulsion system is supported for steering and trim movement about respective spaced apart axes and these axes are both disposed substantially below the transom of the associated watercraft. The propeller driven by the propeller shaft is disposed further from the trim axis than the forward end of a tiller that is affixed to the outboard drive for affecting the steering and trim movement.

Abstract: A motor mount assembly is provided for supporting an outboard motor upon a float tube of the type having a backrest pocket, and generally consists of a thrust transfer member, first and second suspension members, and a motor mounting block. The thrust transfer member is dimensioned in correspondence with a pocket cavity within the backrest pocket for insertion and retention therein. Attachable to the thrust transfer member are the first and second suspension members which are couplable with the motor mounting block assembly. The motor mount assembly is securely attachable to the float tube for receiving and supporting the outboard motor.

Abstract: A motor mount for varying the height of an outboard motor on the transom of a boat comprises a first bracket connected to a transom, and a second bracket connected to an outboard motor. A fluid-driven actuator effects movement of the second bracket relative to the first. One or more guides, each comprising a rod extending through a pair of vertically separated bearings fixed to the interior of a hollow, elongated tubular member, constrains the second bracket to vertical movement when the first bracket is connected to the transom of a boat.

Abstract: A folding transom for a boat having a trolling motor. The folding transom having an "engaged position" and a "retracted position". The transom including a motor mounting bracket, a pair of parallel horizontal legs, having first and second ends, each leg being attachable to a boat at the first end, a pair of "L" shaped members, maintained in parallel relationship, each of which is rotatably attached at one end of the "L" shaped member to the second end of a horizontal leg by a thumb screw for locking the "L" shaped member into an engaged position and on the other end of the "L" shaped member to the motor mounting bracket.

Abstract: The articulated support for mounting an outboard motor to the transom of a boat comprises a stationary support section secured to the boat's transom, and a movable support section to receive the outboard motor. A shorter arm has a proximate end connected to the stationary support section through a first pivot remote from the boat's transom, and a distal end connected to the movable support section through an upper pivot. A pair of longer arms have a proximate end connected to the stationary support section through a third pivot situated close to the transom of the boat, and a distal end connected to the movable support section through a lower pivot. A mechanism rotates the proximate and distal ends of the shorter and longer arms about the respective pivots in order to pivot the movable support section about the stationary support section.

Abstract: A floating transom extension assembly is disclosed. The present invention provides a transom extension assembly for adjustably positioning an outboard motor upon a boat, comprising a floating transom extension, a motor mounting plate slidably coupled to the transom extension, apparatus for mounting the transom extension to the stern of the boat, apparatus for mounting the outboard motor to the motor mounting plate, and apparatus for adjusting the position of the motor mounting plate relative to the transom extension. In an alternative embodiment, the transom extension assembly further comprises a platform extending outwardly over the sides and rearwardly in a U-shape around the motor providing easy access to the motor and further providing the convenience of a stern mounted platform for entry into and exit from the stern of the boat. In a further alternative embodiment, the transom extension assembly is configured for more than one outboard motor attached to the stern of the boat.

Abstract: An outboard motor mounting system for mounting a motor on an outboard boat with a cutout transom. A transom sealing device is provided to seal the cutout of the outboard boat transom. The sealing device may include a mounting flange which is engagable with a horizontal motor well transom lip of the outboard boat to support and position the transom sealing means. The outboard motor mounting device includes a body and a swim platform which combine to form a substantially sealed hollow interior to provide buoyancy to the mounting device. The motor is attached to a mounting flange positioned at an uppermost portion of the body member.

Abstract: A boat outboard propulsion assembly includes an engine 20 mounted on an engine support which, in turn, is secured to a swivel bracket adapted to be secured to a transom of a boat. Between the engine support and the engine, a steering bracket is provided which is attached to a propulsion unit that is pivotally supported by the engine support such that steering of the boat is accomplished by pivoting of the propulsion unit while the engine remains fixedly secured relative to the swivel bracket. The output drive shaft of the engine extends through the steering bracket and is connected to the propulsion unit. Engine exhaust gases are channeled through the steering bracket and the propulsion unit.

Abstract: A pre-assembled package-unit for adjusting the height of a basketball backboard includes a fixed assembly including a pair of vertical square tubes into whose downward ends fit the square tubes of an upward telescoping assembly which bears lower brackets to support the backboard. On the outer square surfaces of the fixed assembly slide the internally-squared surfaces of upper brackets extending to the backboard. An electric linear actuator, mounted on the fixed assembly and extending to the telescoping assembly, is powered and controlled from below by a hand-held electric wand to adjust the height of the backboard. The squared construction firmly resists side forces imposed on the backboard.

Abstract: A transom plate for small fishing boats which simultaneously adjusts vertical displacement and trim of the outboard motor. The transom plate is adapted particularly for smaller fishing boats which must operate under widely varying loads and speeds, and which often encounter extremely shallow water. The plate comprises a rigid transom frame adapted to be clamped to the transom, and a motor bracket slidably movably coupled to the frame. Movement of the motor bracket relative to the transom frame is facilitated by a power cylinder preferably controlled from within the boat. The cylinder is pivotally coupled between the transom frame and the motor bracket, being secured and centered by L-brackets. Special follower slots are defined through each side of the jack to define a path of movement for displacement of the motor bracket relative to the transom frame. A generally vertically oriented slot is paired with a generally inclined follower slot on each side of the plate.

Abstract: A device for mounting an auxiliary outboard motor on the swim platform of a water craft to allow the motor to be pivoted between an extended position aft of the swim platform when in use, and a compact stowed position when not in use.

Abstract: A marine installation including a transom fabricated of a first metal and including a forward surface, a rearward surface, and a mounting opening extending between the surfaces, and a marine propulsion device including a transom bracket fabricated of a second metal less noble than the first metal, and a mechanism for detachably mounting the transom bracket on the transom and for simultaneously electrically insulating the transom bracket from the transom, which mechanism includes a sleeve fabricated of electrically insulating material and engaged in the mounting opening and having therein a bore, a sheet fabricated of electrically insulating material and engaged with the rearward surface and with the sleeve and having therein an opening in registry with the bore, a washer fabricated of electrically insulating material and engaged with the forward surface and with the sleeve and having therein an aperture in registry with the bore, and a bolt having a head engaging the washer, extending through the aperture, th

Abstract: A tilt cylinder device for a tiltable outboard drive unit on a marine vessel positioned so that the stress acting on the tilt cylinder device and its associated parts is decreased when the drive unit collides with an underwater obstacle. The tilt cylinder device is also positioned so that the stop pin, used for setting the downward tilt position of the drive unit, is not obstructive to the removal of the tilt cylinder device.

Abstract: An apparatus for mounting an outboard motor on the transom of a boat so that the motor can be raised and lowered on the transom even while the boat is being powered by the outboard motor. The apparatus includes a transom bracket and a motor mounting plate. The motor mounting plate is slidably mounted in channels located on the inside surface of rearwardly extending portions of the transom bracket. In a preferred embodiment the movement of the mounting plate is effected by a waterproof marine electromechanical unit.

Abstract: A mounting device (36) has a front bracket (38) mounted with a backing plate (84) on a boat transom (16) and a rear bracket (40) supports an outboard motor (18) thereon. Parallel links (64,70) are pivotally connected between the front and rear brackets (38,40) and a double acting hydraulic cylinder (76) raises and lowers the outboard motor (18). A plate (88,88C) is secured between the lower links (70) and has an inner end (116) mounted above the bottom (120) of the boat and slopes downwardly therefrom for deflecting water downwardly. A platform (92) is provided on the rear bracket (40) to support a swimmer or water skier. One embodiment (FIG. 8) mounts a pair of outboard motors (18A) on the boat transom (16A) for simultaneous raising and lowering.

Abstract: An outboard propulsion unit supporting system by which an outboard propulsion unit is vertically movably supported to the rear end section of a boat. The supporting system is comprised of a pair of slit brackets installed to the rear end section of the boat. Each slit bracket is formed with a generally vertically extending slit in which a guide roller rotatably secured to the side of the propulsion unit is movably engaged. The boat is provided at its transom with a pair of thrust rollers on which a pair of generally vertically extending guide rails formed on the propulsion unit side are detachably contact, respectively. Additionally, a tilt cylinder is provided between the boat transom and the propulsion unit side thereby to raise the propulsion unit generally vertically.

Abstract: A marine propulsion device comprising a transom bracket adapted to be mounted on the transom of a boat and having a side and upper surface, the marine propulsion device further comprising a swivel bracket mounted on the transom bracket for pivotal movement relative to the transom bracket about a generally horizontal tilt axis and between an operating position and a raised position, a propulsion unit including a rotatably mounted propeller and being mounted on the swivel bracket for pivotal movement relative to the swivel bracket about a generally vertical steering axis, a tilt lock shaft having first and second ends extending through the swivel bracket along a second generally horizontal axis spaced rearwardly from and substantially parallel to the tilt axis, a lever member mounted on the shaft and including a contact pad extending parallel to and radially offset from the second axis and further including at least one leg extending substantially perpendicularly relative to the contact pad, and manually operab

Abstract: An outboard motorboat having a buttress panel located aft of the transom to receive and mount an outboard motor thereon. The transom has a space saver pocket or motorwell therein which provides a clearance between the transom and the motor even when the motor pivots from a fully lowered position to a fully raised position, and from a fully rotated generally clockwise position to a fully rotated generally counterclockwise position, and vice versa.

Abstract: A transom extension assembly for mounting an outboard motor in a spaced relation to the boat transom includes a quadrilateral linkage assembly in which each of the functions to trim, tilt and lift the motor with respect to the transom is provided independently. Each function is provided by a separate hydraulic cylinder means, but operating fluid pressure is supplied by a single fluid pressure source which may be mounted directly on the transom extension linkage.

Abstract: An adjustable transom for supporting a motor on a power boat includes the use of hydraulic cylinders to raise or lower the transom. A further cylinder may be provided to tilt the motor and transom in a manner which allows a flared bottom portion of the motor to function as a trim tab.