Abstract: An amphibious electric scooter includes an electric scooter and a watercraft Including a space for accommodating a portion of the electric scooter, a pivotal concave member disposed in a front portion of the space with the front wheel of the scooter disposed therein, a linking rod having a first end operatively connected to the concave member, a rudder pivotably connected to a second end of the linking rod, first and second rotating shafts adjustably disposed in the space with the rear wheel rotatably disposed thereon, a gearbox meshing with teeth of the first shaft, an inclined drive shaft extending rearward out of the gearbox, and a propeller rotatably secured to an open end of the drive shaft.

Abstract: The foot pedal-powered impeller system comprises a foot crank coupled to an impeller drive via a vertical drive shaft. The foot crank, mounted on the top surface of a water craft, may comprise two pedals that couple to a central spindle via crank arms. The spindle may pass through a right angle gear box which translates rotational motion of the spindle into rotational motion of the drive shaft. The drive shaft may turn a shaft gear on the underside of the water craft which engages an impeller tube gear and turns an impeller tube. An impeller mounted within the impeller tube may force water to enter the front of the impeller drive via an intake nozzle, pass through the impeller tube, and exit through a discharge nozzle. The discharge of water may move the water craft.

Abstract: A float accessory for land vehicles has a front rack portion and a rear rack portion. Both rack portions are mechanically fastened to a frame assembly which is itself attached to a vehicle frame. The front rack portion is connected to the frame assembly, and the front rack portion and the rear rack portion have two sides wherein each side has a lifting arm rotationally attached thereto by way of a pivot member. The lifting arms are secured in their lowered configuration by way of a latch and catch combination. The lifting arms are also locked in their upper configuration and intermediate configurations by way of a perforated disc cooperating with a spring lock pin.

Abstract: A vehicle driving control apparatus is provided at least with: a rudder angle varying device capable of changing a relation between a steering angle, which is a rotation angle of a steering input shaft, and a rudder angle, which is a rotation angle of steered wheels; and a trajectory controlling device for controlling the rudder angle varying device such that a trajectory of a vehicle approaches a target driving route of the vehicle. The vehicle driving control apparatus is further provided with a changing device for changing responsiveness of control by the trajectory controlling device when there is a steering input given to the steering input shaft through a steering wheel by a driver of the vehicle.

Abstract: A rudder control device for a boat can include a handle position sensor for detecting an operation angle of a handle. An engine control unit can be provided for receiving a detection signal from the handle position sensor. A motor can be provided for receiving a control signal from the engine control unit to drive a steering member to a predetermined rotation angle corresponding to the operation angle. The engine control unit can receive a signal from a speed sensor for detecting a boat speed to control an upper limit of the rotation angle to be smaller when the boat speed is higher than a predetermined value than when not.

Abstract: Disclosed is a bicycle accessory generally comprised of at least one pontoon, a frame, front bicycle mounting hardware and rear bicycle mounting hardware, and a propulsion mechanism. A common bicycle is mounted on the front bicycle and rear bicycle mounting hardware and the combination placed on water deep enough to enable floatation of the watercraft, a bicycle and a rider thereupon. A rider climbs propels and directs the watercraft in the manner customary for bicycles on land.

Abstract: A floatation device system for travelling across a body of water. The floatation device system includes a spaced apart pair of pontoons with spaced apart elongate front and back crossbeams extending therebetween. A forwards end of an elongate center beam is coupled to front crossbeam, the center beam is coupled to the back crossbeam. A rearwards end of the center beam is rearwardly extended from the back crossbeam. A rear rudder is pivotally coupled to the rearwards end of the center beam. A rotatable propeller is mounted to the rear rudder. A rotatable driven wheel is connected to the propeller by a flexible sheathed cable so that driven wheel rotates the cable which in turn rotates the propeller.

Abstract: This device is a raft which when attached to a standard bicycle may be steered and propelled through water by riding the bicycle in the usual fashion. The raft consists of two sections that can be folded for easy storage and transportability. These two sections unfold and are plugged together to form the raft. The bicycle is attached to the raft by adjustable tie-down straps. The drive mechanism incorporates both forward and reverse drive operated by a remote hand lever. Propulsion is accomplished by a friction wheel engaging the rear wheel of the bicycle with power transmission and translation through a gear assembly to the drive shaft and propeller. The front steering unit and rear drive unit are designed to swivel up out of the way if hit by an underwater obstacle.

Abstract: An integrated system for land and water recreation such that when in a flotation mode, a propeller and rudder are powered and controlled by a standard bicycle; that when in a terrestrial mode, the integrated system is powered and trailered by the same bicycle. The flotation device having a propeller drive assembly and steerable rudder for use with any standard bicycle frame allowing an individual the ability to have a self-propelled water craft. The device utilizes a standard bicycle, having only the wheels removed, to provide power and steering. The bicycle is mounted to the flotation device with the chain wrapped around the chain drive sprocket of the propeller drive assembly. Because the chain drive sprocket is a standard Shimano sprocket, the bicycle's rear derailleur may be used to shift gears. The operator may pedal the device across a body of water, then remove the bicycle frame and remount the tires to continue travel over land.

Abstract: The canard balanced marine bicycle is an aquatic vehicle having a long and very narrow hull which depends, for its stability, on the dynamic forces generated by its movement through the water acting on the canard. The canard depends from the bottom of the hull and is movable about its axis by handlebars controlled by the rider. The vehicle is powered by the rider through the manipulation of pedals which drive a propulsion system. The vehicle is guided by a steerable rudder operated by controls located on the handlebars.

Abstract: A motorcycle propelled boat comprised of a boat portion. A front portion is dimensioned to receive a front wheel of a motorcycle therein. The front portion is rotatably secured to the boat deck. A rear portion is dimensioned to receive a rear wheel of a motorcycle therebetween. The rear portion has a drive belt disposed therein positionable underneath a rear wheel of a motorcycle. A propulsion portion is drivingly connected to the drive belt of the rear portion. A rudder is rotatably coupled with a rear portion of the boat portion. A steering mechanism is comprised of a pair of elongated flexible cables secured to the front portion and secured to the rudder.

Abstract: A floatation device with propeller drive assembly and steerable rudder for use with any standard bicycle frame allowing an individual the ability to have a self propelled water craft. The device utilizes a standard bicycle, having only the wheels removed, to provide power and steering. The bicycle is mounted to the floatation device with the chain wrapped around the chain drive sprocket of the propeller drive assembly. Because the chain drive sprocket is a standard shimano sprocket, the bicycle's rear derailer may be used to shift gears. The operator may pedal the device across a body of water, then remove the bicycle frame and remount the tires to continue travel over land.

Abstract: The bike-board for moving over the water on a conventional said board (10), so that movement is carried out with the help of a conventional bicycle (12), installed on the board. The stability of the bike-board is ensured by two side pontoons (34) with a beams (36 and 38) but the bicycle (12) is fixed by side straps (26). The bike-board is provided with a propellers (48) are kinematically connected to a supporting rollers (14 and 16) with the tire of the bicycle (12) rear wheel. The propellers (48) are rotated by flexible shafts (50). For steering the propellers (48) are made turning and are provided with pivot shafts (52). Turning of the propellers (48) is carried out by the front wheel with the help of a steering cable (56). The design of the bike-board so that any model of the board (10) can be joined with any model of the bicycle (12) regardless of its size and wheelbase; without any modification of both the board (10) and the bicycle (12).

Abstract: Land vehicle floatable and steerable in water, having inflatable sectors applied to the front and back frame with articulated tie-rods and supports. The rear wheel of the vehicle is adapted to strike a roller or an equivalent gear connected to a transmission gear provided with at least a shaft equipped with a propeller. The transmission gear is connected to the inflatable sectors by interposition of extension tubes, tie-rods or rigid supports.

Abstract: The floatation apparatus for use with any standard bicycle (either single or tandem unit) a catamaran or pontoon hull with a tubular structure to support a standard bicycle. The front wheel of the bicycle will be removed and the front fork will be attached to a support that is connected to the directional control system in order to provide a steering mechanism. The novel steering mechanism has the fork connected to a steering control pulley. An adjustable line is connected to the steering control pulley on one end and wraps around a steering pulley that is attached to the rudder at the rear of the apparatus. By reversing the direction of the steering control lines and passing them around a number of idler pulleys, the operator will turn the apparatus in the direction he or she turns the bicycle's handle bars. The rear wheel of the bicycle will rest on a rotating drum that will provide power to a drive propeller.

Abstract: A built-up watercraft includes a body consisted of three base boards hinged together and bilaterally supported on two floats by two wings, two propeller runners bilaterally coupled to a transmission mechanism mounted on the body at the back, a rudder assembly fastened to the body below the transmission mechanism, a steering wheel assembly mounted on the body at the front and driven to adjust the direction of the rudder assembly. The three base boards of the body and the wings are folded up and formed into the shape of a case as the watercraft is not in use. Connecting tubes are made on the wings and the body for permitting a plurality of watercrafts of the same structure to be connected in series as well as in parallel by flexible connecting rods.

Abstract: The floatation apparatus for use with a standard bicycle a hull of catamaran or pontoon with a tubular structure to support a standard bicycle. The front wheel of the bicycle will be removed and the front fork will be attached to a support that is connected to a rudder in order to provide a steering mechanism. The rear wheel of the bicycle will rest on a rotating drum that will provide power to a drive propeller. The bike will be kept in an upright position by a support yoke which will allow the rear wheel of the bicycle to rotate. The hull or hulls of the apparatus will be of sufficient length and width to provide complete stability for the apparatus.

Abstract: A bicycle operated watercraft assembly is disclosed. A bicycle is mounted on a main framework including front and rear outrigger arms to which are secured a pair of laterally spaced floats. The front wheel of the bicycle is disposed in a rotatable channel to which is secured a steerable paddle for controlling the course direction of the watercraft. Propulsion paddles are rotatably secured at the rear of the main framework. The paddles are driven from the bicycle through the drive chain which is operatively connected with a shiftable gear train mounted on the drive shaft for the paddles. The bicycle is secured in place by front and rear struts which are adjustable in length to support different sized bicycles. Rear brackets hold the bicycle against rearward movement during operation.

Abstract: A carriage adapted for an inboard-type motorboat provided with a power take-off device for a prime mover. The carriage comprises a dolly loading the watercraft, plural wheels inclusive of driving wheels rotatably supported by shafts on the dolly, an input shaft engaging with aforesaid power take-out device, and a power transmission fixed to the dolly to transmit torque of the input shaft to aforesaid driving wheels, and is driven by the torque transmitted from the power take-off device of the watercraft loaded on aforesaid dolly.

Abstract: A watercraft stabilizing flotation structure comprising two hulls (23) (25) that surround the outside perimeter of a single-person ski-type powered watercraft to extend the surface area in contact with the water. A seat (36) located at the stern allows the operator to sit during operation of the craft. A removable pin (34) secures the placement of the watercraft at the bow and a pair of straps and buckles (27) hold the hulls (23) and (25) together. The hulls are hollow and watertight providing a flotation chamber for the structure. In another embodiment a set of running lights (48), (50) and (52) are provided for operation in navigable waters. The lights are wired integral with the structure and are energized either by the watercraft's ignition system or an independent battery. A mechanically operated thrust reverser (54) may also be incorporated adjacent to the back of the seat assembly (36), behind the water discharge, to allow the watercraft to reverse direction or add braking capability.

Abstract: Structurally integrated equipment is selectively, individually or conjointly detachably attachable to a three-wheeled vehicle for preventing rearward tipover, carrying cargo, rendering the vehicle waterborne, enhancing travel over snow or providing power takeoff. Supports extending from the framework of the vehicle are adapted to receive and retain with quick disconnect fittings frame elements of each of the equipments. The frame elements may be adjustable to accommodate load variations and variances of the surface traversed.

Abstract: A conversion kit adapted to be retro-fitted to conventional three wheeled vehicles for floating them over water. The flotation kit includes a front frame assembly having a pair of rigid, elongated front frame members semi-permanently coupled to the front fork of the three wheeler in axial alignment with one another. A pair of front flotation devices each comprise a suitable mounting strut which is adapted to be telescopingly coaxially coupled to the front frame members. A rear frame assembly comprises a first rigid elongated rear frame strut which may be variably positioned to the vehicle, and a second lower rigid elongated frame strut which includes a central rigid portion and a pair of outer lateral portions telescopingly coaxially fitted to it.

Abstract: A boat is arranged to carry temporarily a vehicle (2), a driven wheel (7) of which is arranged to drive a propeller shaft (15) of the boat via contact rollers (9), and a belt drive (11), to propel the boat from the power of the vehicle engine. The boat may also be steered by means of a rudder which is connected to a movable cradle which engages and follows movement of the steerable front wheels of the vehicle.

Abstract: A conventional bicycle has its frame rigidly supported by a base framework held by adjustable length outrigger arms, whose outer ends are connected with bearings mounted on two spaced floats. The rear bicycle traction wheel frictionally engages and drives a propulsion wheel connected through gearing with a propeller. A tubular arm pivoted at its forward end to the base framework extends rearwardly beneath the bicycle traction wheel and supports the propulsion wheel, gearing and propeller. A pivoted rudder on the rear end of tubular arm is operated by cables extending through such arm and leading to the axle of the front steering wheel of the bicycle. The device possesses windsurfing and rowing capabilities.

Abstract: This invention pertains to an assembly, which when attached to a bike, allows this bike to be driven also over water. To buoy the bike and make it float on water, floaters which have the shape of convex lenses, or half of a ball, were used. Each one of those floaters was made to spin around a shaft, which is specially designed so as not to slide, when fixed by brackets to the frame of the bike. The powered wheel carries cylinderoids, fastened to the spokes in it, to do the rowing action. Another type of floaters which may be used, are of the shape of the letter U, and each one surrounds a wheel, and is supported to the frame of the bike, at its wheel's axle level. Also a disc that carries a number of half hyperboloid section, may do the rowing action, once they are put inside the powered wheel. The foot pedals are equiped with platens, to assist the rowing action.

Abstract: It is an assembly, when attached to a bike, renders it possible todrive it on water as on land. To buoy the bike and make it float on water, floaters which have the shape of convex lenses, or half of a ball, were used. Each one of those floaters was made to spin around a shaft which is specially designed so as not to slide, when fixed by brackets to the frame of the bike. The powered wheel carries cylindroid, fastened to the spokes in it, to do the rowing action. Another type of floaters which may be used, are of the shape of the letter U, and each one partially surrounds a wheel, and is supported to the frame of the bike, at its wheel's axle level. Also a disc that carries a number of half hyperboloid section, may do the rowing action, once they are put inside the powered wheel. The foot pedals are equipped with platens, to assist the rowing action.

Abstract: An attachment for a bicycle is disclosed, permitting use of the bicycle in water, with relatively efficient propulsion and steering, and also on land, without removal of the attachment. Floats of the attachment are positioned on either side of the bicycle, connected by frame members which are removably attached to forward and rearward portions of the bicycle frame. The front wheel of the bicycle is provided with a solid circular disc, closing the space within the rim, so that the front wheel acts as a rudder in water when steered. Connected to the rear wheel spokes are a series of impeller cups or vanes which strike the water in the bottom of their stroke of movement to drive the bicycle forward. The floats may be of a lightweight foam material, or may be inflatable. For use as an exercising device, the bicycle may be provided with a resistance device engaged against the rear wheel, and the bicycle may be elevated on blocks, via the floats.