US20150353157A1 - Self-propelled unicycle engagable with vehicle - Google Patents
Self-propelled unicycle engagable with vehicle Download PDFInfo
- Publication number
- US20150353157A1 US20150353157A1 US14/297,536 US201414297536A US2015353157A1 US 20150353157 A1 US20150353157 A1 US 20150353157A1 US 201414297536 A US201414297536 A US 201414297536A US 2015353157 A1 US2015353157 A1 US 2015353157A1
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- United States
- Prior art keywords
- self
- vehicle
- hub
- propelled unicycle
- propelled
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K1/00—Unicycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B19/02—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group convertible, e.g. from road wheel to rail wheel; Wheels specially designed for alternative use on road and rail
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
- B60R9/08—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear
- B60R9/10—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear for cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
- B62K13/06—Cycles convertible to, or transformable into, other types of cycles or land vehicle to a quadricycle, e.g. by coupling together two bicycles side by side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/351—Increase in versatility, e.g. usable for different purposes or different arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/14—Vehicles with one wheel only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K17/00—Cycles not otherwise provided for
Definitions
- Vehicles such as automobiles may be used to transport other modes of transportation, such as bicycles, for example.
- the vehicle may be used to transport the bicycle, for example, for recreational use of the bicycle.
- the vehicle may be used to transport the bicycle so that the vehicle and the bicycle provide multi-modal transportation.
- Multi-modal transportation can include driving the vehicle to a location at which the vehicle may be parked and then driving the bicycle from the vehicle to a final destination.
- a driver may travel to a work office located in an urban setting congested by commuters by first driving the vehicle to a less congested satellite parking lot remote from the office and driving the bicycle from the vehicle to the office.
- the bicycle may be more easily and quickly maneuvered in the more congested areas.
- An interior of a vehicle may be reconfigurable, e.g., seats may be folded, to accommodate a bicycle in the interior of the vehicle.
- the bicycle disadvantageously consumes valuable interior space of the vehicle and can disadvantageously move within the vehicle during unexpected acceleration or deceleration.
- Bicycles can alternatively be stored on an exterior of a vehicle during transportation.
- after-market racks are available for mounting to vehicles and supporting one or more bicycles.
- these after-market racks are expensive to purchase. Assembly of the after-market rack to the vehicle and assembly of the bicycle onto the rack is also disadvantageously time consuming. The rack and the bicycle also disrupts airflow around the vehicle during travel, thereby disadvantageously decreasing fuel economy of the vehicle.
- FIG. 1 is a perspective view of a vehicle with four self-propelled unicycles engaged with a suspension system of the vehicle;
- FIG. 2 is a perspective view of one self-propelled unicycle disengaged from the vehicle
- FIG. 3 is a perspective view of the self-propelled unicycle
- FIG. 4 is an exploded view of the self-propelled unicycle and the suspension system
- FIG. 5 is a perspective view of a second embodiment of the self-propelled unicycle
- FIG. 6 is a perspective view of the second embodiment of the self-propelled unicycle with footrests unfolded and a handlebar extended;
- FIG. 7 is a perspective view of the second embodiment of the self-propelled unicycle with a seat back mounted to a fender.
- FIG. 8 is a schematic of a computer system of the self-propelled unicycle in selective communication with one of an interface and a vehicle-mounted interface.
- a multi-modal transportation system 10 includes a suspension system 12 for a vehicle 16 and a self-propelled unicycle 14 .
- the self-propelled unicycle 14 selectively engages the suspension system 12 for use with the vehicle 16 and selectively disengages from the suspension system 12 for independent use.
- the self-propelled unicycle 14 includes a hub 18 , a wheel 20 rotatably coupled to the hub 18 , and a motor 22 coupled to the hub 18 and the wheel 20 for rotating the wheel 20 .
- the hub 18 includes an engagement feature 24 for selectively engaging the suspension system 12 .
- a driver of the vehicle 16 may drive the vehicle 16 , with the self-propelled unicycle 14 engaged with the suspension system 12 , to a selected location and park the vehicle 16 at the selected location. The driver may then disengage the self-propelled unicycle 14 from the suspension system 12 and drive the self-propelled unicycle 14 to a different destination.
- the driver uses the vehicle 16 and the self-propelled unicycle 14 as multi-modal transportation.
- the driver may travel to a work office located in an urban setting congested by commuters by first driving the vehicle 16 to a satellite parking lot in a less congested location spaced from the office and then driving the self-propelled unicycle 14 from the vehicle 16 to the office.
- the self-propelled unicycle 14 may be more easily and quickly maneuvered in the more congested areas.
- the self-propelled unicycle 14 may take the place of a wheel of the vehicle 16 .
- the vehicle 16 typically includes four wheels, and the self-propelled unicycle 14 can be engaged with the suspension system 12 in the place of one of the wheels.
- the self-propelled unicycle 14 operates as a corner unit of the vehicle 16 .
- the multi-modal transportation system 10 may include more than one self-propelled unicycle 14 engaged with the suspension system 12 of the vehicle 16 .
- one or more wheels of the vehicle 16 may be replaced with self-propelled unicycles 14 , respectively.
- the self-propelled unicycle 14 Since the self-propelled unicycle 14 is connected to the suspension system 12 , the self-propelled unicycle 14 is easily and compactly integrated with the vehicle 16 and is transported with the vehicle 16 without consuming interior space of the vehicle 16 . The removal of the self-propelled unicycle 14 from the vehicle 16 operates as an anti-theft feature since the vehicle 16 may not be operated when the self-propelled unicycle 14 is disengaged from the suspension system 12 .
- the vehicle 16 may be of any type, such as, for example, any type of automobile. As another example, the vehicle 16 may be a golf cart.
- the suspension system 12 may be of any suitable type that supports the vehicle 16 on the self-propelled unicycle 14 .
- the suspension system 12 may be a front suspension system or a rear suspension system and may be any type of dependent suspension systems or independent suspension systems including a MacPherson strut system, a double wishbone system, trailing-arm system, etc.
- the self-propelled unicycle 14 may be engaged to a steering system of the vehicle 16 .
- the self-propelled unicycle 14 may be engaged with a non-steering suspension system.
- the vehicle 16 may be retrofitted to engage the self-propelled unicycle 14 .
- relevant components of a suspension system of a factory-made vehicle 16 may be retrofitted after purchase from the vehicle 16 manufacturer to engage the self-propelled unicycle 14 .
- a first embodiment of the self-propelled unicycle 14 is shown for example in FIGS. 1-4 and a second embodiment of the self-propelled unicycle 14 is shown in for example, in FIGS. 5-7 .
- Common features between the two embodiments are discussed below and are identified with common numerals.
- the hub 18 includes a first side 26 , as shown in FIG. 1 , and a second side 28 , as shown in FIGS. 2-4 .
- first and second with respect to the first side 26 and second side 28 are identifiers to distinguish between the two sides and should not imply any order or indication of relevant importance.
- the first side 26 faces inwardly toward the vehicle 16 and the second side 28 faces outwardly toward an exterior of the vehicle 16 .
- the engagement feature 24 is disposed on one of the first side 26 and the second side 28 of the hub 18 .
- the engagement feature 24 is disposed on the first side 26 of the hub 18 .
- the engagement feature 24 is configured to be removably engaged with the suspension system 12 .
- the engagement feature 24 and corresponding features of the suspension system 12 may be of any suitable type.
- the suspension system 12 may include an automatic lock 30 controlled by a vehicle-mounted interface 32 for selectively locking with the hub 18 , e.g., during operation of the vehicle 16 when the hub 18 is engaged with the suspension system 12 .
- the automatic lock 30 may include a pin 90 that is retractable into and extendable from the suspension system 12 , as shown in FIG. 4 .
- the hub 18 includes a cavity 92 that receives the pin 90 when the hub 18 is engaged with the suspension system 12 and the pin 90 is extended.
- the pin 90 may be retracted/extended in any suitable way, such as a pump, motor, etc.
- the suspension system 12 may include a manual lock 34 .
- the manual lock 34 may be center wheel lock 36 and the engagement feature 24 may be a central bore 38 defined by the hub 18 and receiving the center wheel lock 36 .
- the center wheel lock 36 includes a stud 40 .
- the central bore 38 of the hub 18 receives the stud 40 and a fastener 42 engages the stud 40 to fix the hub 18 to the suspension system 12 .
- the stud 40 and the fastener 42 may be threaded to threadedly engage each other.
- the stud 40 is internally threaded.
- the stud 40 and the fastener 42 may engage each other in any suitable manner.
- the suspension system 12 may include an externally threaded stud (not shown) that receives an internally threaded fastener (not shown), or the suspension system 12 may include a stud that receives a quick-release fastener.
- the vehicle 16 may include a jack system 44 , as shown in FIG. 2 .
- the jack system 44 includes at least one stand 46 that raises the vehicle 16 off the ground to allow the self-propelled unicycle 14 to be engaged with or removed from the vehicle 16 .
- the jack system 44 may lift the entire vehicle 16 off the ground, or alternatively, may lift a portion of the vehicle 16 off the ground. The use of the jack system 44 enables for engagement and disengagement of the self-propelled unicycle 14 without lifting the self-propelled unicycle 14 .
- the jack system 44 may be integral with the vehicle 16 , e.g., with the suspension system 12 or a frame (not shown) of the vehicle 16 .
- the jack system 44 may be fixed with the suspension system 12 or the frame of the vehicle 16 and may travel with the vehicle 16 on the frame of the vehicle 16 when the vehicle 16 is driven.
- the jack system 44 may be removable from the suspension system 12 or the frame of the vehicle 16 and stored within the vehicle 16 when not in use.
- the jack system 44 may be automatically actuated, e.g., with the use of a motor 22 , or may be manually actuated, e.g., with the use of a lever manually operated by the driver.
- the self-propelled unicycle 14 includes the motor 22 .
- the self-propelled unicycle 14 may include more than one motor 22 .
- the motor 22 is supported by the hub 18 and is configured to rotate the wheel 20 relative to the hub 18 .
- the motor 22 may be an electric motor.
- the self-propelled unicycle 14 includes a battery 48 in communication with the motor 22 for powering the motor 22 .
- the battery 48 is supported by the hub 18 .
- the motor 22 may, alternatively, be any suitable type of motor.
- the battery 48 may be used to supplement power to a main battery of the vehicle 16 .
- the self-propelled unicycle 14 may include an electrical connector 50 supported by the hub 18 for connecting to a power source other than the vehicle 16 .
- the electrical connector 50 may be a plug that connects to a wall outlet at a location remote from the vehicle 16 for recharging the battery 48 .
- the self-propelled unicycle 14 may include solar cells for collecting energy and recharging the battery 48 .
- the battery 48 may be, for example, a lithium ion battery, a carbon or dual carbon battery, etc.
- the self-propelled unicycle 14 may include a regenerative braking system 52 configured to convert kinetic energy of relative motion between the wheel 20 and the hub 18 into electricity when the self-propelled unicycle 14 is slowed.
- the motor 22 may act as a generator for converting the kinetic energy into electricity.
- the electricity may be formed stored in the battery 48 .
- the self-propelled unicycle 14 may be configured to propel the vehicle 16 .
- the hub 18 is fixed to the suspension system 12 and the motor 22 may rotate the wheel 20 relative to the hub 18 to propel the vehicle 16 . Since the hub is connected to the suspension system 12 on the first side 26 of the hub 18 , the hub 18 delivers force from the wheel 20 to the suspension system 12 as the wheel 20 rotates relative to the hub 18 to propel the vehicle 16 .
- the self-propelled unicycle 14 may be used in addition to, or in the alternative to, a motor of the vehicle 16 .
- the self-propelled unicycle 14 may be used to fully propel the vehicle 16 without the need for a traditional motor, such as a gasoline powered or electric motor, of the vehicle 16 .
- the vehicle 16 may include a traditional motor such that the traditional motor and the self-propelled unicycle 14 may be alternately used to propel the vehicle 16 .
- the self-propelled unicycle 14 may be used to support the vehicle 16 without propelling the vehicle 16 , e.g., a traditional motor of the vehicle 16 propels the vehicle 16 and the self-propelled unicycle 14 supports the vehicle 16 during propulsion.
- the self-propelled unicycle 14 may include a stability controller 54 for maintaining the self-propelled unicycle 14 in a desired orientation for supporting the driver.
- the stability controller 54 may include one or more gyroscopes for measuring and maintaining the desired orientation.
- the self-propelled unicycle 14 includes a computer system 56 for controlling features of the self-propelled unicycle 14 and/or recording data from the self-propelled unicycle 14 , such as operating data, environmental data, etc.
- the computer system 56 controls the stability controller 54 .
- the computer system 56 may control settings of the stability controller 54 to operate the self-propelled unicycle 14 in various modes, e.g., beginner rider mode, intermediate rider mode, experienced rider mode, sport mode, etc.
- the computer system 56 may also control other features of the self-propelled unicycle 14 such as lights, theft deterrent features, etc.
- the computer system 56 may also monitor conditions of the self-propelled unicycle 14 such as battery life, maintenance schedules, etc.
- the self-propelled unicycle 14 may include an interface 58 for operating the computer system 56 when the self-propelled unicycle 14 is disengaged from the suspension system 12 .
- the interface 58 may include a screen for displaying information and input features, e.g., a graphical user interface, buttons, dials, etc., for inputting information into the computer system 56 .
- the interface 58 may be removably engageable with the self-propelled unicycle 14 .
- the interface 58 and a body 60 of the self-propelled unicycle 14 may include corresponding electrical and/or data connectors 80 , such as jacks, plugs, receptacles, etc., that engage with each other when the interface 58 is engaged with the body 60 .
- the body 60 may define a retention feature, such as a shelf, clips, etc., for supporting the interface 58 .
- the interface 58 may be, for example, a laptop computer, a smart mobile phone, a tablet, etc. In the configuration where the interface 58 is a laptop computer, the battery of the laptop computer may be used to power the motor 22 .
- the vehicle 16 may include a vehicle-mounted interface 32 for operating the computer system 56 when the self-propelled unicycle 14 is engaged with the suspension system 12 .
- the vehicle-mounted interface 32 may be, for example, an Interactive Command Cluster (ICC) of the vehicle 16 .
- the ICC of the vehicle 16 may include, for example, an interactive screen in communication with a computer of the vehicle 16 for monitoring and adjusting various parameters of the performance, entertainment features, etc., of the vehicle 16 .
- the vehicle-mounted interface 32 may communicate with the computer system 56 of the self-propelled unicycle 14 to monitor speed and distance of travel of the self-propelled unicycle 14 during independent use, life of the battery 48 , etc.
- the ICC may visually display these measurements and may include input features for selectively displaying information from the computer system 56 of the self-propelled unicycle 14 and/or inputting information into the computer system 56 of the self-propelled unicycle 14 .
- the suspension system 12 of the vehicle 16 and the hub 18 of the self-propelled unicycle 14 each include an electrical connector 64 , e.g., a plug and socket, configured to engage each other when the self-propelled unicycle 14 is engaged with the suspension system 12 .
- the vehicle 16 may charge the battery 48 of the self-propelled unicycle 14 through the electrical connectors 64 when the self-propelled unicycle 14 is engaged with the suspension system 12 .
- a battery of the vehicle 16 may be used to charge the battery 48 of the self-propelled unicycle 14 .
- the suspension system 12 of the vehicle 16 and the hub 18 of the self-propelled unicycle 14 each may include a data connector 66 , e.g., a plug and socket, configured to engage each other when the self-propelled unicycle 14 is engaged with the suspension system 12 .
- the vehicle-mounted interface 32 is in communication with the computer system 56 of the self-propelled unicycle 14 to communicate with the computer system 56 of the self-propelled unicycle 14 , as set forth above.
- the suspension system 12 of the vehicle 16 and the hub 18 of the self-propelled unicycle 14 each may include cooling lines connectors 68 that connect cooling lines from the vehicle 16 to a cooling system of the self-propelled unicycle 14 .
- the vehicle 16 may control the computer system 56 of the self-propelled unicycle 14 .
- acceleration and braking of the self-propelled unicycle 14 i.e., speed of the motor 22
- a throttle pedal i.e., gas pedal, and brake pedal of the vehicle 16 .
- the self-propelled unicycle 14 includes the body 60 for supporting the driver on the hub 18 and the wheel 20 .
- the body is supported by the hub 18 .
- the body 60 may include a seat 70 for the driver to sit on.
- the stability controller 54 for example, is configured to retain the seat 70 in an upright position when the self-propelled unicycle 14 is driven.
- the body 60 may include a fender 72 connected to the seat 70 for deflecting splash and debris raised by the wheel 20 .
- the self-propelled unicycle 14 may include footrests 74 for supporting the feet of the driver.
- the footrests 74 may be part of the body 60 .
- the self-propelled unicycle 14 may include the handlebar 76 .
- the driver may grip the handlebar 76 while the self-propelled unicycle 14 is driven.
- the self-propelled unicycle 14 may include one or more additional wheels (not shown) in addition to the hub 18 /wheel 20 .
- the additional wheel may be pedal driven, e.g., for selectively propelling the self-propelled unicycle 14 without the use of the motor 22 , or may be passive.
- the additional wheel may provide extra stability, for example, for use on unpredictable road conditions or beginner/unconfident riders who need extra assurance. In other words, the one or more additional wheels may act as training wheels.
- the self-propelled unicycle 14 may include a headlight 78 . Operation of the headlight 78 may, for example, be controlled by the interface 58 .
- the user parks the vehicle 16 at a desired location.
- the vehicle-mounted interface 32 may then automatically provide the option to access the self-propelled unicycle 14 . If the driver chooses not to access the self-propelled unicycle 14 , the driver may walk away from the vehicle 16 , start the vehicle 16 and drive further, etc.
- the driver may further interact with the vehicle-mounted interface 32 to select operating conditions of the self-propelled unicycle 14 .
- the driver may activate the jack system 44 through the vehicle-mounted interface 32 to raise the vehicle 16 off the ground to access the self-propelled unicycle 14 .
- the vehicle 16 may be locked from operation when the vehicle 16 is raised off the ground by the jack system 44 .
- the automatic lock 30 on the suspension system 12 may be unlocked to unlock the hub 18 from the suspension system 12 .
- the manual lock 34 may be manually unlocked, e.g., the fastener 42 may be removed from the stud 40 before or after the jack system 44 is activated.
- the driver disengages the electrical connectors 64 and the data connectors 66 .
- the driver may then connect the interface 58 to the body 60 of the self-propelled unicycle 14 .
- the driver may then drive the self-propelled unicycle 14 to a location remote from the vehicle 16 .
- the body 60 of the first embodiment of the self-propelled unicycle 14 may be removable from the hub 18 .
- the body 60 When removed from the hub 18 , the body 60 may be stored in the vehicle 16 , for example.
- the footrest and the handlebar may be supported on the body 60 .
- the body 60 may be engaged and disengaged with the hub 18 with any suitable mechanism.
- the body 60 is engaged with the hub 18 .
- the self-propelled unicycle 14 may then be operated independently from the vehicle 16 .
- the driver may remove the body 60 from the hub 18 and store the body 60 on the vehicle 16 .
- the driver then engages the hub 18 of the self-propelled unicycle 14 with the suspension system 12 of the vehicle 16 , at which time the driver may enter and drive the vehicle 16 .
- the body 60 of the second embodiment of the self-propelled unicycle 14 remains engaged with the hub 18 when the self-propelled unicycle 14 is engaged with the suspension system 12 .
- the footrests 74 may be pivotably coupled to the rest of the body 60 such that the footrests 74 may be folded when the self-propelled unicycle 14 is engaged with the suspension system 12 and unfolded when the self-propelled unicycle 14 is disengaged with the suspension system 12 .
- the handlebar 76 may be telescopically engaged with the rest of the body 60 so that the handlebar 76 may be recessed when the self-propelled unicycle 14 is engaged with the suspension system 12 and may be extended when the self-propelled unicycle 14 is disengaged with the suspension system 12 .
- a headrest of the vehicle 16 may be removably assembled to the fender 72 to operate as the seat 70 .
- the footrests 74 are unfolded and the handlebar 76 is extended.
- the self-propelled unicycle 14 may then be operated independently from the vehicle 16 .
- the driver When the driver returns to the vehicle 16 on the self-propelled unicycle 14 , the driver may fold the footrests 74 and recess the handlebar 76 . The driver then engages the hub 18 of the self-propelled unicycle 14 with the suspension system 12 of the vehicle 16 , at which time the driver may enter and drive the vehicle 16 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
Description
- Vehicles such as automobiles may be used to transport other modes of transportation, such as bicycles, for example. The vehicle may be used to transport the bicycle, for example, for recreational use of the bicycle. As another example, the vehicle may be used to transport the bicycle so that the vehicle and the bicycle provide multi-modal transportation. Multi-modal transportation can include driving the vehicle to a location at which the vehicle may be parked and then driving the bicycle from the vehicle to a final destination. For example, a driver may travel to a work office located in an urban setting congested by commuters by first driving the vehicle to a less congested satellite parking lot remote from the office and driving the bicycle from the vehicle to the office. The bicycle may be more easily and quickly maneuvered in the more congested areas.
- Packaging bicycles in or on a vehicle during transportation creates difficulties, especially with relatively small vehicles. An interior of a vehicle may be reconfigurable, e.g., seats may be folded, to accommodate a bicycle in the interior of the vehicle. However, the bicycle disadvantageously consumes valuable interior space of the vehicle and can disadvantageously move within the vehicle during unexpected acceleration or deceleration.
- Bicycles can alternatively be stored on an exterior of a vehicle during transportation. For example, after-market racks are available for mounting to vehicles and supporting one or more bicycles. However, these after-market racks are expensive to purchase. Assembly of the after-market rack to the vehicle and assembly of the bicycle onto the rack is also disadvantageously time consuming. The rack and the bicycle also disrupts airflow around the vehicle during travel, thereby disadvantageously decreasing fuel economy of the vehicle.
- Accordingly, there remains an opportunity to design a device for multi-modal transportation that is easily and compactly integrated with the vehicle.
-
FIG. 1 is a perspective view of a vehicle with four self-propelled unicycles engaged with a suspension system of the vehicle; -
FIG. 2 is a perspective view of one self-propelled unicycle disengaged from the vehicle; -
FIG. 3 is a perspective view of the self-propelled unicycle; -
FIG. 4 is an exploded view of the self-propelled unicycle and the suspension system; -
FIG. 5 is a perspective view of a second embodiment of the self-propelled unicycle; -
FIG. 6 is a perspective view of the second embodiment of the self-propelled unicycle with footrests unfolded and a handlebar extended; -
FIG. 7 is a perspective view of the second embodiment of the self-propelled unicycle with a seat back mounted to a fender; and -
FIG. 8 is a schematic of a computer system of the self-propelled unicycle in selective communication with one of an interface and a vehicle-mounted interface. - With reference to the Figures, wherein like numerals indicate like parts throughout the several views, a
multi-modal transportation system 10 includes asuspension system 12 for avehicle 16 and a self-propelled unicycle 14. The self-propelledunicycle 14 selectively engages thesuspension system 12 for use with thevehicle 16 and selectively disengages from thesuspension system 12 for independent use. The self-propelledunicycle 14 includes ahub 18, awheel 20 rotatably coupled to thehub 18, and amotor 22 coupled to thehub 18 and thewheel 20 for rotating thewheel 20. Thehub 18 includes anengagement feature 24 for selectively engaging thesuspension system 12. - A driver of the
vehicle 16 may drive thevehicle 16, with the self-propelledunicycle 14 engaged with thesuspension system 12, to a selected location and park thevehicle 16 at the selected location. The driver may then disengage the self-propelledunicycle 14 from thesuspension system 12 and drive the self-propelledunicycle 14 to a different destination. In other words, the driver uses thevehicle 16 and the self-propelled unicycle 14 as multi-modal transportation. As one example of this use, the driver may travel to a work office located in an urban setting congested by commuters by first driving thevehicle 16 to a satellite parking lot in a less congested location spaced from the office and then driving the self-propelledunicycle 14 from thevehicle 16 to the office. The self-propelledunicycle 14 may be more easily and quickly maneuvered in the more congested areas. - The self-propelled
unicycle 14 may take the place of a wheel of thevehicle 16. In other words, thevehicle 16 typically includes four wheels, and the self-propelledunicycle 14 can be engaged with thesuspension system 12 in the place of one of the wheels. The self-propelledunicycle 14 operates as a corner unit of thevehicle 16. As set forth further below, themulti-modal transportation system 10 may include more than one self-propelledunicycle 14 engaged with thesuspension system 12 of thevehicle 16. In other words, one or more wheels of thevehicle 16 may be replaced with self-propelled unicycles 14, respectively. Since the self-propelledunicycle 14 is connected to thesuspension system 12, the self-propelledunicycle 14 is easily and compactly integrated with thevehicle 16 and is transported with thevehicle 16 without consuming interior space of thevehicle 16. The removal of the self-propelled unicycle 14 from thevehicle 16 operates as an anti-theft feature since thevehicle 16 may not be operated when the self-propelled unicycle 14 is disengaged from thesuspension system 12. - It should be appreciated that the
vehicle 16 may be of any type, such as, for example, any type of automobile. As another example, thevehicle 16 may be a golf cart. - The
suspension system 12 may be of any suitable type that supports thevehicle 16 on the self-propelledunicycle 14. For example, thesuspension system 12 may be a front suspension system or a rear suspension system and may be any type of dependent suspension systems or independent suspension systems including a MacPherson strut system, a double wishbone system, trailing-arm system, etc. The self-propelledunicycle 14 may be engaged to a steering system of thevehicle 16. Alternatively, the self-propelledunicycle 14 may be engaged with a non-steering suspension system. - The
vehicle 16 may be retrofitted to engage the self-propelledunicycle 14. For example, relevant components of a suspension system of a factory-madevehicle 16 may be retrofitted after purchase from thevehicle 16 manufacturer to engage the self-propelledunicycle 14. - A first embodiment of the self-propelled
unicycle 14 is shown for example inFIGS. 1-4 and a second embodiment of the self-propelledunicycle 14 is shown in for example, inFIGS. 5-7 . Common features between the two embodiments are discussed below and are identified with common numerals. - With reference to
FIGS. 1-4 , thehub 18 includes afirst side 26, as shown inFIG. 1 , and asecond side 28, as shown inFIGS. 2-4 . It should be appreciated that the terms “first” and “second” with respect to thefirst side 26 andsecond side 28 are identifiers to distinguish between the two sides and should not imply any order or indication of relevant importance. In the configuration shown in the Figures, when the self-propelled unicycle 14 is mounted to thesuspension system 12, thefirst side 26 faces inwardly toward thevehicle 16 and thesecond side 28 faces outwardly toward an exterior of thevehicle 16. - The
engagement feature 24 is disposed on one of thefirst side 26 and thesecond side 28 of thehub 18. For example, in the configuration shown in the Figures, theengagement feature 24 is disposed on thefirst side 26 of thehub 18. - The
engagement feature 24 is configured to be removably engaged with thesuspension system 12. The engagement feature 24 and corresponding features of thesuspension system 12 may be of any suitable type. Thesuspension system 12 may include anautomatic lock 30 controlled by a vehicle-mountedinterface 32 for selectively locking with thehub 18, e.g., during operation of thevehicle 16 when thehub 18 is engaged with thesuspension system 12. For example, theautomatic lock 30 may include apin 90 that is retractable into and extendable from thesuspension system 12, as shown inFIG. 4 . In such an embodiment, thehub 18 includes acavity 92 that receives thepin 90 when thehub 18 is engaged with thesuspension system 12 and thepin 90 is extended. Thepin 90 may be retracted/extended in any suitable way, such as a pump, motor, etc. - In addition, or in the alternative, to the
automatic lock 30, thesuspension system 12 may include a manual lock 34. As one example, the manual lock 34 may be center wheel lock 36 and theengagement feature 24 may be acentral bore 38 defined by thehub 18 and receiving the center wheel lock 36. - With reference to
FIG. 4 , the center wheel lock 36 includes astud 40. Thecentral bore 38 of thehub 18 receives thestud 40 and a fastener 42 engages thestud 40 to fix thehub 18 to thesuspension system 12. Thestud 40 and the fastener 42 may be threaded to threadedly engage each other. For example, thestud 40 is internally threaded. Alternatively, thestud 40 and the fastener 42 may engage each other in any suitable manner. For example, thesuspension system 12 may include an externally threaded stud (not shown) that receives an internally threaded fastener (not shown), or thesuspension system 12 may include a stud that receives a quick-release fastener. - The
vehicle 16 may include ajack system 44, as shown inFIG. 2 . Thejack system 44 includes at least onestand 46 that raises thevehicle 16 off the ground to allow the self-propelledunicycle 14 to be engaged with or removed from thevehicle 16. Thejack system 44 may lift theentire vehicle 16 off the ground, or alternatively, may lift a portion of thevehicle 16 off the ground. The use of thejack system 44 enables for engagement and disengagement of the self-propelledunicycle 14 without lifting the self-propelledunicycle 14. - The
jack system 44 may be integral with thevehicle 16, e.g., with thesuspension system 12 or a frame (not shown) of thevehicle 16. In other words, thejack system 44 may be fixed with thesuspension system 12 or the frame of thevehicle 16 and may travel with thevehicle 16 on the frame of thevehicle 16 when thevehicle 16 is driven. Alternatively, thejack system 44 may be removable from thesuspension system 12 or the frame of thevehicle 16 and stored within thevehicle 16 when not in use. Thejack system 44 may be automatically actuated, e.g., with the use of amotor 22, or may be manually actuated, e.g., with the use of a lever manually operated by the driver. - As set forth above, the self-propelled
unicycle 14 includes themotor 22. Specifically, the self-propelledunicycle 14 may include more than onemotor 22. Themotor 22 is supported by thehub 18 and is configured to rotate thewheel 20 relative to thehub 18. - The
motor 22 may be an electric motor. With reference toFIG. 8 , in such a configuration, the self-propelledunicycle 14 includes abattery 48 in communication with themotor 22 for powering themotor 22. Thebattery 48 is supported by thehub 18. Themotor 22 may, alternatively, be any suitable type of motor. Thebattery 48 may be used to supplement power to a main battery of thevehicle 16. - With reference to
FIGS. 3 and 4 , the self-propelledunicycle 14 may include anelectrical connector 50 supported by thehub 18 for connecting to a power source other than thevehicle 16. For example, theelectrical connector 50 may be a plug that connects to a wall outlet at a location remote from thevehicle 16 for recharging thebattery 48. The self-propelledunicycle 14 may include solar cells for collecting energy and recharging thebattery 48. Thebattery 48 may be, for example, a lithium ion battery, a carbon or dual carbon battery, etc. - With reference to
FIG. 8 , in the configuration where themotor 22 is electric, the self-propelledunicycle 14 may include aregenerative braking system 52 configured to convert kinetic energy of relative motion between thewheel 20 and thehub 18 into electricity when the self-propelledunicycle 14 is slowed. In such a configuration, themotor 22 may act as a generator for converting the kinetic energy into electricity. The electricity may be formed stored in thebattery 48. - The self-propelled
unicycle 14 may be configured to propel thevehicle 16. Specifically, thehub 18 is fixed to thesuspension system 12 and themotor 22 may rotate thewheel 20 relative to thehub 18 to propel thevehicle 16. Since the hub is connected to thesuspension system 12 on thefirst side 26 of thehub 18, thehub 18 delivers force from thewheel 20 to thesuspension system 12 as thewheel 20 rotates relative to thehub 18 to propel thevehicle 16. - The self-propelled
unicycle 14 may be used in addition to, or in the alternative to, a motor of thevehicle 16. In other words, the self-propelledunicycle 14 may be used to fully propel thevehicle 16 without the need for a traditional motor, such as a gasoline powered or electric motor, of thevehicle 16. In another configuration, thevehicle 16 may include a traditional motor such that the traditional motor and the self-propelledunicycle 14 may be alternately used to propel thevehicle 16. Alternatively, the self-propelledunicycle 14 may be used to support thevehicle 16 without propelling thevehicle 16, e.g., a traditional motor of thevehicle 16 propels thevehicle 16 and the self-propelledunicycle 14 supports thevehicle 16 during propulsion. - With reference to
FIG. 8 , the self-propelledunicycle 14 may include a stability controller 54 for maintaining the self-propelledunicycle 14 in a desired orientation for supporting the driver. The stability controller 54 may include one or more gyroscopes for measuring and maintaining the desired orientation. - With continued reference to
FIG. 8 , the self-propelledunicycle 14 includes acomputer system 56 for controlling features of the self-propelledunicycle 14 and/or recording data from the self-propelledunicycle 14, such as operating data, environmental data, etc. Thecomputer system 56, for example, controls the stability controller 54. For example, thecomputer system 56 may control settings of the stability controller 54 to operate the self-propelledunicycle 14 in various modes, e.g., beginner rider mode, intermediate rider mode, experienced rider mode, sport mode, etc. Thecomputer system 56 may also control other features of the self-propelledunicycle 14 such as lights, theft deterrent features, etc. Thecomputer system 56 may also monitor conditions of the self-propelledunicycle 14 such as battery life, maintenance schedules, etc. - With reference to
FIGS. 3 and 7 , the self-propelledunicycle 14 may include aninterface 58 for operating thecomputer system 56 when the self-propelledunicycle 14 is disengaged from thesuspension system 12. Theinterface 58 may include a screen for displaying information and input features, e.g., a graphical user interface, buttons, dials, etc., for inputting information into thecomputer system 56. - The
interface 58 may be removably engageable with the self-propelledunicycle 14. For example, theinterface 58 and abody 60 of the self-propelledunicycle 14 may include corresponding electrical and/ordata connectors 80, such as jacks, plugs, receptacles, etc., that engage with each other when theinterface 58 is engaged with thebody 60. Thebody 60 may define a retention feature, such as a shelf, clips, etc., for supporting theinterface 58. Theinterface 58 may be, for example, a laptop computer, a smart mobile phone, a tablet, etc. In the configuration where theinterface 58 is a laptop computer, the battery of the laptop computer may be used to power themotor 22. - With reference to
FIG. 8 , thevehicle 16 may include a vehicle-mountedinterface 32 for operating thecomputer system 56 when the self-propelledunicycle 14 is engaged with thesuspension system 12. The vehicle-mountedinterface 32 may be, for example, an Interactive Command Cluster (ICC) of thevehicle 16. The ICC of thevehicle 16 may include, for example, an interactive screen in communication with a computer of thevehicle 16 for monitoring and adjusting various parameters of the performance, entertainment features, etc., of thevehicle 16. - When the self-propelled
unicycle 14 is engaged with thesuspension system 12, the vehicle-mountedinterface 32 may communicate with thecomputer system 56 of the self-propelledunicycle 14 to monitor speed and distance of travel of the self-propelledunicycle 14 during independent use, life of thebattery 48, etc. The ICC may visually display these measurements and may include input features for selectively displaying information from thecomputer system 56 of the self-propelledunicycle 14 and/or inputting information into thecomputer system 56 of the self-propelledunicycle 14. - With reference to
FIGS. 3 and 4 , thesuspension system 12 of thevehicle 16 and thehub 18 of the self-propelledunicycle 14 each include anelectrical connector 64, e.g., a plug and socket, configured to engage each other when the self-propelledunicycle 14 is engaged with thesuspension system 12. Thevehicle 16 may charge thebattery 48 of the self-propelledunicycle 14 through theelectrical connectors 64 when the self-propelledunicycle 14 is engaged with thesuspension system 12. Specifically, a battery of thevehicle 16 may be used to charge thebattery 48 of the self-propelledunicycle 14. - With continued reference to
FIGS. 3 and 4 , thesuspension system 12 of thevehicle 16 and thehub 18 of the self-propelledunicycle 14 each may include adata connector 66, e.g., a plug and socket, configured to engage each other when the self-propelledunicycle 14 is engaged with thesuspension system 12. When thedata connectors 66 are engaged, the vehicle-mountedinterface 32 is in communication with thecomputer system 56 of the self-propelledunicycle 14 to communicate with thecomputer system 56 of the self-propelledunicycle 14, as set forth above. Thesuspension system 12 of thevehicle 16 and thehub 18 of the self-propelledunicycle 14 each may include coolinglines connectors 68 that connect cooling lines from thevehicle 16 to a cooling system of the self-propelledunicycle 14. - When the self-propelled
unicycle 14 is engaged with thesuspension system 12, thevehicle 16 may control thecomputer system 56 of the self-propelledunicycle 14. For example, acceleration and braking of the self-propelledunicycle 14, i.e., speed of themotor 22, may be controlled by operation of a throttle pedal, i.e., gas pedal, and brake pedal of thevehicle 16. - With reference to
FIGS. 2-3 and 5-7, the self-propelledunicycle 14 includes thebody 60 for supporting the driver on thehub 18 and thewheel 20. The body is supported by thehub 18. Thebody 60 may include aseat 70 for the driver to sit on. The stability controller 54, for example, is configured to retain theseat 70 in an upright position when the self-propelledunicycle 14 is driven. Thebody 60 may include afender 72 connected to theseat 70 for deflecting splash and debris raised by thewheel 20. - As described further below, the self-propelled
unicycle 14 may includefootrests 74 for supporting the feet of the driver. Thefootrests 74 may be part of thebody 60. - As described further below, the self-propelled
unicycle 14 may include thehandlebar 76. The driver may grip thehandlebar 76 while the self-propelledunicycle 14 is driven. - The self-propelled
unicycle 14 may include one or more additional wheels (not shown) in addition to thehub 18/wheel 20. The additional wheel may be pedal driven, e.g., for selectively propelling the self-propelledunicycle 14 without the use of themotor 22, or may be passive. The additional wheel may provide extra stability, for example, for use on unpredictable road conditions or beginner/unconfident riders who need extra assurance. In other words, the one or more additional wheels may act as training wheels. - The self-propelled
unicycle 14 may include aheadlight 78. Operation of theheadlight 78 may, for example, be controlled by theinterface 58. - In operation, the user parks the
vehicle 16 at a desired location. The vehicle-mountedinterface 32 may then automatically provide the option to access the self-propelledunicycle 14. If the driver chooses not to access the self-propelledunicycle 14, the driver may walk away from thevehicle 16, start thevehicle 16 and drive further, etc. - If the driver chooses to access the self-propelled
unicycle 14, the driver may further interact with the vehicle-mountedinterface 32 to select operating conditions of the self-propelledunicycle 14. The driver may activate thejack system 44 through the vehicle-mountedinterface 32 to raise thevehicle 16 off the ground to access the self-propelledunicycle 14. Thevehicle 16 may be locked from operation when thevehicle 16 is raised off the ground by thejack system 44. - Before or after the
jack system 44 is activated, in the configuration where thesuspension system 12 includes theautomatic lock 30, theautomatic lock 30 on thesuspension system 12 may be unlocked to unlock thehub 18 from thesuspension system 12. In the configuration where thesuspension system 12 includes a manual lock 34, the manual lock 34 may be manually unlocked, e.g., the fastener 42 may be removed from thestud 40 before or after thejack system 44 is activated. - As the self-propelled
unicycle 14 is removed from thevehicle 16, the driver disengages theelectrical connectors 64 and thedata connectors 66. The driver may then connect theinterface 58 to thebody 60 of the self-propelledunicycle 14. The driver may then drive the self-propelledunicycle 14 to a location remote from thevehicle 16. - With reference to
FIGS. 1-4 , thebody 60 of the first embodiment of the self-propelledunicycle 14 may be removable from thehub 18. When removed from thehub 18, thebody 60 may be stored in thevehicle 16, for example. The footrest and the handlebar may be supported on thebody 60. Thebody 60 may be engaged and disengaged with thehub 18 with any suitable mechanism. - After the self-propelled
unicycle 14 is removed from thesuspension system 12, thebody 60 is engaged with thehub 18. The self-propelledunicycle 14 may then be operated independently from thevehicle 16. - When the driver returns to the
vehicle 16 on the self-propelledunicycle 14, the driver may remove thebody 60 from thehub 18 and store thebody 60 on thevehicle 16. The driver then engages thehub 18 of the self-propelledunicycle 14 with thesuspension system 12 of thevehicle 16, at which time the driver may enter and drive thevehicle 16. - With reference to
FIGS. 5-7 , thebody 60 of the second embodiment of the self-propelledunicycle 14 remains engaged with thehub 18 when the self-propelledunicycle 14 is engaged with thesuspension system 12. Thefootrests 74 may be pivotably coupled to the rest of thebody 60 such that thefootrests 74 may be folded when the self-propelledunicycle 14 is engaged with thesuspension system 12 and unfolded when the self-propelledunicycle 14 is disengaged with thesuspension system 12. Thehandlebar 76 may be telescopically engaged with the rest of thebody 60 so that thehandlebar 76 may be recessed when the self-propelledunicycle 14 is engaged with thesuspension system 12 and may be extended when the self-propelledunicycle 14 is disengaged with thesuspension system 12. With reference toFIG. 8 , a headrest of thevehicle 16 may be removably assembled to thefender 72 to operate as theseat 70. - When reference to
FIGS. 5-7 , after the self-propelledunicycle 14 is removed from thesuspension system 12, thefootrests 74 are unfolded and thehandlebar 76 is extended. The self-propelledunicycle 14 may then be operated independently from thevehicle 16. - When the driver returns to the
vehicle 16 on the self-propelledunicycle 14, the driver may fold thefootrests 74 and recess thehandlebar 76. The driver then engages thehub 18 of the self-propelledunicycle 14 with thesuspension system 12 of thevehicle 16, at which time the driver may enter and drive thevehicle 16. - The disclosure has been described in an illustrative manner, and it is to be understood that the terminology which has been used is intended to be in the nature of words of description rather than of limitation. Many modifications and variations of the present disclosure are possible in light of the above teachings, and the invention may be practiced otherwise than as specifically described.
Claims (21)
Priority Applications (6)
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US14/297,536 US9211932B1 (en) | 2014-06-05 | 2014-06-05 | Self-propelled unicycle engagable with vehicle |
AU2015202394A AU2015202394A1 (en) | 2014-06-05 | 2015-05-05 | Self-Propelled Unicycle Engageable with Vehicle |
DE102015108297.7A DE102015108297A1 (en) | 2014-06-05 | 2015-05-26 | Self-propelled unicycle that can be engaged with a vehicle |
RU2015120557A RU2015120557A (en) | 2014-06-05 | 2015-05-29 | MULTIMODAL TRANSPORTATION SYSTEM AND SELF-PROPELLED MONOCYCL |
MX2015006985A MX2015006985A (en) | 2014-06-05 | 2015-06-02 | Self-propelled unicycle engagable with vehicle. |
CN201510303279.5A CN105292332A (en) | 2014-06-05 | 2015-06-04 | Self-propelled unicycle engagable with vehicle |
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- 2015-05-26 DE DE102015108297.7A patent/DE102015108297A1/en not_active Withdrawn
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EP3849892A4 (en) * | 2018-09-13 | 2022-06-08 | Zhou, Jing Yuan | Electric unicycle with manual control |
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RU2015120557A (en) | 2016-12-27 |
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US9211932B1 (en) | 2015-12-15 |
AU2015202394A1 (en) | 2015-12-24 |
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