Class / Patent application number | Description | Number of patent applications / Date published |
180011000 | MOTOR-CARRYING ATTACHMENTS | 36 |
20080308325 | Powered trailer dolly - A towing dolly is provided for relocating wheeled loads such as boat trailers, camping trailers and airplanes where towing forces required may be substantial. The towing dolly may have a wheel assembly with a drive gear disposed between proximate treads. The towing dolly may have a narrow wheel width providing easy steering and compact size for storage. The towing dolly may have a motor with a gear sprocket. A linked chain may transfer power from the motor to the drive gear located between the double treads. The dolly may have a steering arm extending perpendicular to drive direction allowing the operator to stand away from path of movement of the load while providing adequate leverage to steer the dolly. The dolly may have an alternate configuration with a power source located on the dolly providing operation independent of plugins or extension cords. | 12-18-2008 |
20090127008 | Hybrid Conversion Kits And Methods - A hybrid conversion kit is configured for attachment to a pre-existing vehicle. The kit includes a frame assembly, an auxiliary wheel, a generator/motor, an energy storage device, and a controller. The frame assembly is adapted to be connected to the vehicle. The auxiliary wheel is mounted to the frame assembly and is positioned to contact a ground surface. The generator/motor is connected to the auxiliary wheel. The controller is configured to direct energy from the energy storage device to the generator/motor and thence to the auxiliary wheel when a vehicle is accelerating or moving at a constant, non-zero speed. The controller is further configured for causing the generator/motor to convert rotary motion of the auxiliary wheel into a different form of energy and to cause the energy so converted to be stored in the energy storage device as a vehicle decelerates. Methods are also provided. | 05-21-2009 |
20090229895 | AUTOMOBILE VEHICLE PUSHER SYSTEM, HYBRID OR ELECTRICAL VEHICLE COMPRISING THE VEHICLE PUSHER SYSTEM AND A METHOD OF CONVERTING A VEHICLE TO HYBRID OR ELECTRICAL PROPULSION - The invention provides an automobile vehicle pusher system, a hybrid or an electrical propulsion vehicle, and a method of reversibly converting a vehicle to hybrid or electrical propulsion. In a preferred aspect the invention provides such a system that can be reversibly connected to a trailer hitch or similar type device at the rear of a vehicle to provide propulsion in whole, or in part, for the vehicle. A further preferred embodiment includes connections and apparatus for charging of the electrical power storage components to provide a plug-in hybrid or plug-in electric only vehicle. | 09-17-2009 |
20100065348 | APPARATUS FOR ASSISTING MOTION OF VEHICLES - Apparatuses for assisting motion of vehicles are disclosed here. Embodiments of the present disclosure include an apparatus comprising, a charge-storage unit, an electromotor coupled to the charge-storage unit, wherein, at least a portion of the power supplied to the electromotor is supplied by the charge-storage unit. The apparatus may further include, a wheel powered by the electromotor to rotate in a plane about an axis, a housing, and a handle coupled to the housing, the handle being physically configured to, when, in operation, couple to an external entity to whom motion assistance is to be provided. The external entity may be a vehicle (e.g., a motor vehicle although other objects may be connected. | 03-18-2010 |
20100096197 | POWERED TRAILER FOR PROPELLING A BICYCLE - A powered bicycle trailer for propelling a bicycle, a human rider and cargo having frame, a vehicle-mounted adapter that dismountably attaches to a bicycle, a connecting arm for rotatably connecting the frame to the vehicle-mounted adapter such that the frame is rotatable around a vertical axis with respect to the connecting arm. The trailer having a power mechanism having a multi-functional control assembly capable of generating an output drive to a ground wheel, a power transmission system mechanically coupled to an output drive of the power mechanism and capable of driving the ground wheel and the control assembly and trailer are rapidly mountable and dismountable from the bicycle by a quick connect and disconnect mechanism. | 04-22-2010 |
20100116567 | APPARATUS FOR ASSISTING MOTION OF VEHICLES - Apparatuses for assisting motion of vehicles are disclosed here. Embodiments of the present disclosure include an apparatus comprising, a charge-storage unit, an electromotor coupled to the charge-storage unit, wherein, at least a portion of the power supplied to the electromotor is supplied by the charge-storage unit. The apparatus may further include, a wheel powered by the electromotor to rotate in a plane about an axis, a housing, and a handle coupled to the housing, the handle being physically configured to, when, in operation, couple to an external entity to whom motion assistance is to be provided. The external entity may be a vehicle (e.g., a motor vehicle although other objects may be connected. | 05-13-2010 |
20100270092 | SELF-PROPELLED STEERABLE JOCKEY WHEEL - A self propelled, steerable jockey wheel assembly for a trailer or vehicle, the assembly including an attachment means to attach the assembly relative to the trailer or vehicle, a length adjustable support associated with the attachment means and at least one wheel located at a lower end of the length adjustable support to support the load of the trailer or vehicle and engage a ground surface. | 10-28-2010 |
20100314180 | MOBILIZING APPARATUS FOR AIRPLANES - A mobilizing apparatus is provided for moving an airplane positioned on the ground, wherein the mobilizing apparatus comprises at least one pair of main wheels and engagement means, and is characterized in that the engagement means is adapted to enable engagement of the mobilizing apparatus to the airplane central under carriage so that the axis along which the at least one pair of the mobilizing apparatus main wheels is essentially located, is along a virtual axis formed between the central wheels of the airplane to be moved, thereby the mobilizing apparatus main wheels are positioned essentially parallel to the respective airplane central wheels upon engaging the mobilizing apparatus to the airplane to be moved. | 12-16-2010 |
20110042154 | SYSTEM AND METHOD FOR TOWING A TRAILER - Systems for towing a trailer by a towing vehicle and a method for controlling such a system are disclosed. The systems and method are configured to maintain a constant towing load on the towing vehicle as well as optimizing other performance criteria such as fuel efficiency. The system comprises a closed loop controller, a towing arm assembly, a load measuring device, an electric hub motor, brakes, a motor controller and a brake controller disposed on the trailer. In another embodiment, two separate systems are installed, one on each side of the trailer. A load force feeds into a PID controller programmed with preset proportional, differential and integral parameters. The PID controller generates a command signal to either modulate the brakes or motor up or down depending on the sign of the command signal. A process output updates the system which continuously adjusts based on driving conditions. | 02-24-2011 |
20110079453 | Methods and Apparatus for Utilizing Electrically Powered Vehicles - Methods and apparatus may augment the utility of an electrically powered vehicle. A first electric motor ( | 04-07-2011 |
20110253463 | MODULAR HYBRID ELECTRIC VEHICLE SYSTEM - A modular hybrid electrical vehicle system may comprise an electric vehicle and a detachable power plant. The detachable power plant may be operable to externally attach to and provide power for the electric motor vehicle. | 10-20-2011 |
20110266077 | Autonomous propulsion system - An autonomous propulsion system comprising a motorized unit including a traction mechanism; and a control bar removably attached to the traction mechanism and formed by a plurality of elongated bar segments connected end to end, such that the control bar can be formed in a plurality of shapes, and is thereby adapted to be more easily manipulated by a user shifting their body weight to steer and maneuver the propulsion system. | 11-03-2011 |
20120006604 | BICYCLE REAR WHEEL PROPELLED BY TRAILER MOUNTED POWER SUPPLY AND DRIVE TRAIN - A bicycle may tow a trailer for the purposes of carrying a heavy or large object across great distances. A motor may be mounted to the trailer which drives a rear wheel of the bicycle. To this end, a transmission is added to the rear hub of the bicycle which is mechanically coupled to the output shaft of the motor. When the trailer is detached or not used in conjunction with the bicycle, the rider does not have to carry the weight of the motor. Also, this setup provides a stable configuration since the bicycle is pulling the trailer. | 01-12-2012 |
20120037435 | Motor Powered Bicycle Trailer with Integral Hitch Force Metering - A self-propelled trailer may be attached to a bicycle. The speed of the trailer is adjusted based on a signal from a force gauge which indicates whether the bicycle is pulling the trailer or the trailer is pushing the bicycle. In the former situation, the force gauge indicates a tensile load, and in the latter situation, the force gauge indicates a compressive load. Based on the feedback from the force gauge, the speed of the motor attached to the self-propelled trailer is adjusted so that the trailer and bicycle are moving at the same speed or the bicycle is pulling the trailer. | 02-16-2012 |
20120080243 | REMOVABLE MOTOR ASSEMBLY FOR WHEELCHAIRS - A motor assembly for a wheelchair and a corresponding method of use are provided for conversion of a manual wheelchair into a powered wheelchair. The motor assembly includes a crossbar, a motor mount bracket, and a motor that is attached to the crossbar by the motor mount bracket. The motor mount bracket includes a front plate and a back plate that is attached to the front plate by a hinge. The back and front plates are capable of clamping on to the crossbar after the crossbar has been attached to the wheelchair. The crossbar further includes collars that center the drive wheels to the wheelchair when the motor is attached to the crossbar. | 04-05-2012 |
20120090904 | WHEELCHAIR TOW DEVICE - A wheelchair tow device which includes a frame sub-assembly, at least one front ground engaging wheel, at least one rear ground engaging wheel, a motive source capable of rotating at least one of the at least one front ground engaging wheel and the at least one rear ground engaging wheel, an energy storage device, wherein the energy storage device is in electrical communication with the motive source, and a handle assembly. | 04-19-2012 |
20130062128 | Apparatus For Moving Wheeled Loads - Apparatus for moving a wheeled load comprising: a frame having a two end; at least one wheel attached to at least one frame end; drive wheel(s) between the ends; a drive means for providing drive wheel power; a power source; a load-lifting arm means, the lifting arm means having a proximal end rotatably attached to the frame and a distal end; affixed to the distal end is a locking pickup head having a multi-socket center adapted to receive a ball, and a sliding locking gate to releasably affix the head to the ball; extending outwardly from the second end is a handle; disposed on the handle is a control means for operating the apparatus; and drive disengagement means for mechanically disengaging the powered driving mechanism so that a user can manually move the apparatus in case of battery or other mechanical failure. | 03-14-2013 |
20130240271 | POWER ADD-ON DEVICE FOR MANUAL WHEELCHAIR - A power add-on device for powering a manual wheelchair includes a motorized component including dual electric motors and a power source electrically coupled to the electric motors, wherein each of the motors is configured to turn a respective one of a set of drive wheels. The power add-on device includes a latching mechanism adapted to attach the power add-on device to the camber tube of the manual wheelchair; and a controller, reachable by a person sitting in the manual wheelchair, that controls the latching mechanism, the motors, and a swing arm that allows the rear wheels of the manual wheelchair to be lifted off the ground. The front wheels of the manual wheelchair are allowed to be lifted several inches off the ground to avoid obstacles, or can be lifted by the user leaning back. Advantageously, the power add-on device can be detached from the manual wheelchair and loaded into the trunk of a car when travelling or may be checked in as baggage when flying. | 09-19-2013 |
20140216829 | Wheelchair Tow Device - A wheelchair tow device which includes a frame sub-assembly, at least one front ground engaging wheel, at least one rear ground engaging wheel, a motive source capable of rotating at least one of the at least one front ground engaging wheel and the at least one rear ground engaging wheel, an energy storage device, wherein the energy storage device is in electrical communication with the motive source, and a handle assembly. | 08-07-2014 |
20150053488 | DRIVE SYSTEM FOR VEHICLE PULLING A TOWED IMPLEMENT - A drive and control system is provided for a towing vehicle pulling a towed implement, such as a tractor pulling a scraper. The drive system includes a diesel engine which drives a generator for generating electric power. A tractor axle drive motor is connected to driven wheels of the tractor through a transmission. An assist drive motor is drivingly connected to driven wheels of the scraper. A power distribution unit controls distribution of electric power from the generator to the tractor and implement assist drive motors. A control unit controls the power distribution unit as a function of an operator set power split, and other sensed parameters. A one-way clutch prevents over-speed of the assist drive motor. | 02-26-2015 |
20150136498 | TRANSPORT CART CONFIGURED TO TRANSPORT BEDS WITH WHEELS - This invention relates to a transport cart having an X-Y orientation with an X-direction essentially being the driving direction and a Y-direction essentially being perpendicular to the X-direction, both relative to a fixed A-Point, which transport cart is for working on a surface and thereon moving a bed with a bed end and a duct raised from the surface to a height and entering underneath a bed in depth and which bed is supported by bed wheels, which bed preferably is a hospital bed, which transport cart comprises:
| 05-21-2015 |
20150353157 | SELF-PROPELLED UNICYCLE ENGAGABLE WITH VEHICLE - A self-propelled unicycle is selectively engaged with a vehicle for use with the vehicle and is selectively disengaged with the vehicle for independent use. The self-propelled unicycle includes a hub and a wheel rotatably coupled to the hub. A motor is supported on the hub and is coupled to the wheel for rotating the wheel relative to the hub. The hub including an engagement feature for selectively engaging and disengaging the vehicle. | 12-10-2015 |
20160136019 | Detachable Electric Drive Unit for a Wheelchair - A detachable electric drive unit for a wheelchair is provided. The detachable electric drive unit includes a housing having an interior volume and two guide rails disposed on opposing sides of the housing. Each guide rail includes a channel to receive a wheelchair wheel and has at least two wheels attached to opposing ends of each guide rail. A roller assembly is disposed within the channels of each guide rail. An electric motor is coupled to the roller assembly in each guide rail. The electric motor drives the roller assembly imparting rotational motion to the wheelchair wheels supported within each channel. | 05-19-2016 |
20160144835 | Trailer Steering Assembly - A trailer steering assembly includes a trailer. A mount is structured to be movably coupled to the trailer. A first actuator is coupled to the mount. The first actuator positions the mount between a raised position and a lowered position. A pair of wheels is coupled to the mount. The wheels may abut a support surface when the mount is positioned in the lowered position. A motor is coupled to the mount. The motor is mechanically coupled to the wheels. The wheels urge the trailer along the support surface. A second actuator is coupled between the mount and the wheels. The second actuator steers the wheels. A control is coupled to the mount. The control is electrically coupled to the first actuator, the second actuator and the motor. The control may actuate and de-actuate the first and second actuators and the motor. | 05-26-2016 |
20160375942 | TRAILER MOVER - A trailer mover has a ball connection mechanism having a ball head mounted on a ball post and a ball collar. The ball collar has a raised position and a lowered position. The ball collar is mounted to the ball post so that the ball collar moves relative to the ball post when the ball collar is traveling between the raised position and the lowered position. The housing comprises a carriage body having a ball post retainer mounting surface on an upper portion of the carriage body. A ball post retainer is mounted to the ball post retainer mounting surface. The ball post retainer is configured to receive the ball post. | 12-29-2016 |
20190142661 | STEERABLE CARRY-ON PUSH AIDS FOR WHEELCHAIRS | 05-16-2019 |
180012000 | Driven steering wheel type | 10 |
20100012400 | Wheelchair having torsion-acting shock absorption and detachable dirve train - A wheelchair having torsion-acting shock absorbers from which cantilevered swing arms connected to drive wheels are connected is disclosed. The wheelchair incorporates a compact, collapsible power scooter that attaches to the wheelchair and presents a pair of handlebars having an accelerator and a brake, thus enabling the rider to propel him or herself by a power drive train rather than by hand. | 01-21-2010 |
20100078232 | AUTOMATIC GUIDED VEHICLE DRIVE DEVICE - An automatic guided vehicle drive device includes a top plate member, a drive unit, a holding plate member and a turning shaft mechanism. The drive unit has left and right wheel axles attached to left and right wheels, respectively. The holding plate member is coupled between the top plate member and the drive unit to pivotally hold the drive unit with respect to a movement direction. The turning shaft mechanism is coupled between the top plate member and the holding plate member to turnably support the drive unit about a vertical line passing through an intersection between an axial centerline of the wheel axles and a middle line oriented in the movement direction and passes through an approximate middle position between the wheel axles while exerting a force along the vertical line in a direction of separating the drive unit from the top plate member via the holding plate member. | 04-01-2010 |
20100252339 | Auxiliary Drive Device - An auxiliary drive device is disclosed that connects to a motorised vehicle to supplement the drive of the motorised vehicle depending on the speed and acceleration of the motorised vehicle by using stored energy. The auxiliary drive device obtains energy by regenerative braking when the motorised vehicle decelerates, extracting energy from the motorised vehicle by using hybrid through the road, and by recharging from the power grid. The auxiliary drive device uses the stored energy to supplement the drive of the motorised vehicle depending on the motorised vehicle speed, acceleration, drive cycle, the amount of energy stored, and if the motorised vehicle is towing a load. A controller maximizes fuel savings and towing performance of the motorised vehicle. The controller determines when the auxiliary drive device needs to provide the mortised vehicle with power assistance, resistance via braking and when to conserve the stored energy for later use. | 10-07-2010 |
20100300777 | Power Add-On Device For Manual Wheelchair - A power add-on device for powering a manual wheelchair includes a motorized component including dual electric motors and a power source electrically coupled to the electric motors, wherein each of the motors is configured to turn a respective one of a set of drive wheels. The power add-on device includes a latching mechanism adapted to attach the power add-on device to the camber tube of the manual wheelchair; and a controller, reachable by a person sitting in the manual wheelchair, that controls the latching mechanism, the motors, and a swing arm that allows the rear wheels of the manual wheelchair to be lifted off the ground. The front wheels of the manual wheelchair are allowed to be lifted several inches off the ground to avoid obstacles, or can be lifted by the user leaning back. Advantageously, the power add-on device can be detached from the manual wheelchair and loaded into the trunk of a car when travelling or may be checked in as baggage when flying. | 12-02-2010 |
20110209931 | MANUAL WHEELCHAIR POWER ASSIST - A power assist apparatus for powering a manual wheelchair may include one or more wheels, one or more motors that drives the one or more wheels, a remote operable to control the one or more motors, and a connector operable to attach to the manual wheelchair. The power assist apparatus may be quickly and easily attached to, and removed from a manual wheelchair. | 09-01-2011 |
20140202778 | POWERED TRAILER STEERING AND HITCHING ASSIST - A stowable powered jack for steering a boat trailer includes an electric motor turning a drive shaft running longitudinally through a support tube which is mounted to a trailer frame. The drive shaft powers a transmission which sits between a pair of wheels driven by a transverse axle. Controls for the motor provide at least forward and reverse motion for wheels. The transmission is sealed within a housing that is swivels in relation to the fixed support tube. An extendable handle facilitates steering. | 07-24-2014 |
20160039444 | DRIVING ASSIST UNIT OF TRUCK - A driving assist unit of a truck for assisting a driving force applied to the truck by a worker includes a unit body connected to the truck, the unit body being turnable with respect to the truck, an operation portion provided on the unit body, the operation portion being configured to input a driving force to the truck through the unit body by being pressed by the worker, a driving wheel provided on the unit body, the driving wheel being rotatable in a longitudinal direction of the unit body, an assist force according to the operation of the operation portion being applied to the driving wheel, a lower engagement mechanism configured to be engaged with the truck by pressing the unit body onto the truck, and an upper engagement mechanism provided above the lower engagement mechanism and configured to be engaged with the truck by fitting of a locking member by the worker. | 02-11-2016 |
20160129958 | MODULAR ELECTRIC VEHICLE SYSTEM - A modular electric vehicle system, allowing for the assembly of many different vehicle configurations using a plurality of interchangeable vehicle assembly modules, including at least two powered vehicle assembly modules in an assembled vehicle each of which has self-contained drive and power systems and controls which can be connected together by a central network bus on the vehicle. At least one of the powered vehicle assembly modules will be a steering module, with the necessary additional controls and components to steer the axle thereon and in turn steer the assembled vehicle. The connection of the network bus and the modules would be done in an interchangeable way so that different modules could be interchangeably placed in the assembled vehicle. Various steering systems, control methodologies and vehicle attachments are also disclosed. | 05-12-2016 |
180013000 | Single wheel | 2 |
20110017526 | OBJECT MOVEMENT SYSTEM AND METHOD - Systems and methods for moving objects facilitate quick and inexpensive relocation of the target objects. Operator safety is enhanced by eliminating the need to apply manual force to urge a target object into motion, and by inclusion of features such as automatic braking responsive to motor cut-off. Through use of the present system, a user may move a target object, for example a trailer intended for use behind a vehicle, into and/or out of a storage location in a simplified and more efficient manner. | 01-27-2011 |
20150351979 | REMOVABLE MOTOR POWER DEVICE FOR WHEELCHAIRS OF DISABLED USERS - A motor power device for wheelchairs of disabled users is removably mounted on the front of the wheelchair-in order to be controlled by the user while sitting on the wheelchair. The device has a motor unit provided with an electrical motor, an intermediate frame disposed between the motor unit and the wheelchair, first inclination adjusting means between the motor unit and the intermediate frame and second inclination adjusting means between the intermediate frame and a bearing frame of the wheelchair. The intermediate frame and the motor unit are mounted and dismounted easily and rapidly. | 12-10-2015 |