| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 280220000 | Movable occupant support | 53 |
| 20080246245 | BASEW FOR A BICYCLE SADDLE - A base for a bicycle saddle includes a body having a narrow anterior portion, a wider posterior portion, a longitudinal axis dividing the body into a right portion and a left portion, and an opening extending along the longitudinal axis of the body. Two supporting plates extend respectively and downwardly from the underside of each of the portions of the body in such a way that two cushion means are defined under the body. A coupling member is disposed on a free end of each of the supporting plates and corresponds to the opening to define an open receiving room between the two supporting plates for receiving means for coupling the base to a bicycle frame. | 10-09-2008 |
| 20080252035 | FOOTREST SUPPORT DEVICE FOR A MOTORCYCLE PASSENGER - A removable foot support device for a motorcycle passenger generally comprises an elongate member having a first end portion and a second end portion. The first end portion is removably mounted to a first portion of a motorcycle. A support member coupled to the second end portion of the elongate member includes a footrest surface for supporting the passenger's foot. | 10-16-2008 |
| 20100237582 | FOLDING RECUMBENT VEHICLE - The vehicle has a single steered front wheel ( | 09-23-2010 |
| 20110285105 | Human powered personal transportation device and drive mechanism for same - A human-powered personal transportation device powered by pedals which are operated by the user with a stepping motion. The bottom surfaces of the pedals are curved, and serve to guide cable means which transfer the downward stepping force into torque on a rear drive wheel. The curvature of the bottom surface of the pedals is such that the rearmost point of contact between each pedal and its respective cable means is dependent upon the position of the pedal. This causes a variable distance between said rearmost point of contact and the axle of the drive wheel, which translates to variable torque. Thus the continuous transmission functionality is a natural result of the curved pedals. | 11-24-2011 |
| 20120133106 | FOLDABLE WALKER APPARATUS - There is provided a wheel mounting assembly having a wheel fork. The fork includes an interior and an inwardly extending protrusion disposed within the interior. The assembly includes a rotatable member operatively connected to the fork and disposed within the interior of the fork. The protrusion abuts and positions in place the rotatable member. The assembly includes a shaft. The rotatable member rotatably connects the shaft to the wheel fork. The assembly includes a retaining member connected to the shaft. The retaining member is configured to abut the protrusion of the fork and thus inhibit dislodgement of the rotatable member from the fork when the shaft is tilted relative to the fork. | 05-31-2012 |
| 20120217721 | BI-DIRECTIONAL PROPULSION CASTER - A bidirectional propulsion caster assembly is disclosed for enabling a rider to generate bi-directional motion from a ride-on device. A mounting bracket is attachable to the bottom of the device and defines a pivot axis extending in a generally transverse direction across the bottom of the device. A rocker bracket and caster shaft having a caster shaft axis are attached to the mounting bracket and pivot about the pivot axis along an arc between first and second positions. A wheel bracket is mounted to and rotates about the caster shaft. A wheel is mounted to the wheel bracket for rotation about a wheel axis angularly offset from the caster shaft axis. One or more changeable pivot stops may be attached to the rocker bracket or the mounting bracket and effective to further define the available arc of rotation. | 08-30-2012 |
| 20140246841 | TILT-IN-SPACE WHEELCHAIR USING MULTIPLE CONTROLLING PATHS - A wheelchair is disclosed herein. The wheelchair includes a base frame extending in a fore-aft direction and a lateral direction perpendicular to the fore-aft direction. The wheelchair also includes a plurality of wheels supporting the base frame for movement. The wheelchair also includes a seat frame operable to support a seat and a wheelchair occupant sitting in the seat. The wheelchair also includes a support assembly interconnecting the seat frame to the base frame for pivoting movement between an upright position, a fully-tilted position and an intermediate position between the upright position and the fully-tilted position. The support assembly utilizes a plurality of control paths to direct the seat frame in translating and rotating planar body motion that defines a fixed centrode. A center of gravity of the seat frame and the seat and the wheelchair occupant is definable in operation. In one aspect of the present disclosure, the plurality of control paths are arranged such that the center of gravity is directable during pivoting movement of the seat frame along a follower path being at least one of substantially horizontal and concave with the center of gravity vertically lower in the intermediate position than in at least one of the upright position and the fully-tilted position. In another aspect of the disclosure, the seat frame is adjustably positionable relative to the base frame in the fore-aft direction such that the position of the center of gravity is settable through adjust along a single axis to create an alignment of the center of gravity with the fixed centrode and thereby creates stability within the limits of the range of motion of the system. | 09-04-2014 |
| 20150076786 | Rider-propelled wheeled vehicle - A rider-propelled wheeled vehicle includes a support surface for supporting a user's feet, which defines a longitudinal axis, a pair of front wheels and a pair of rear wheels associated with the support surface, a system for rotatably connecting the rear wheels to the support surface, and adapted to allow their oscillation about a first oscillation axis inclined with respect to the support surface. The rear wheels have respective first pivot axes independent of and transversally offset from each other for at least partial transfer of the propulsion exerted by the user on the support surface to such wheels and for generation of a reaction substantially parallel to the plane to thereby promote a forward motion of the structure. | 03-19-2015 |
| 280221000 | Interconnected with propulsion means | 44 |
| 20080224439 | DEVICE OF HUMAN CONVEYANCE - An application for a device for human conveyance includes a front wheel and a rear wheel. The rear wheel interfaced to a sprocket through a ratchet drive system which allows forward rotation of the rear wheel in response to forward rotation of the sprocket and allows free backward rotation of the sprocket. A frame interfaces the front wheel to the rear wheel keeping the front wheel at a constant distance from the rear wheel. The front and rear wheels are rotatably interfaced to the frame. A front end of an arc-shaped spring is affixed to the frame in proximity to the front wheel and a rear end of the arc-shaped spring has a sprocket gear interfaced to the sprocket whereas depression of the arc-shaped spring pushes the rear-end of the arc-shaped spring in a rearward direction with respect to the rear wheel and the sprocket gear turns the sprocket in a forward rotational direction. | 09-18-2008 |
| 20090200768 | NON-MOTORIZED VEHICLE - A non-motorized foot board scooter including a frame, a front wheel and a rear wheel, a steering assembly, and a drive train. The drive train includes a kick arm that rotates the rear wheel when the kick arm is pushed backwards by the rider. The kick arm is centered with the rear wheel and a kick guard is located between the rear wheel and the kick arm. A first sprocket is mounted to the arm. The rear wheel has an associated second sprocket that is connected to the rear wheel via a clutch. A chain is mounted to the frame and extends around the first and second sprockets. The chain is routed such that as the arm is rotated the chain is drawn across the second sprocket thereby rotating the drive wheel. | 08-13-2009 |
| 20090315294 | Vehicle - A vehicle with two or more wheels including at least one or more surfaces on which it is possible to position one's feet and to exert an alternate force by pushing the heel or the point of the foot on said one or more surfaces; and motion transmission means connected to said one or more surfaces and to said one or more wheels of the vehicle itself. | 12-24-2009 |
| 20100001487 | Stepping Scooter - A stepping scooter includes a scooter body for supporting a rider, a moving system, a driving system and a steering lever. The moving system includes a driving wheel rotatable connected with the scooter body, a driven wheel coaxially aligned with the driving wheel and rotatable connected with the scooter body. The driving system includes a driving arrangement pivotally connected to the scooter body, and a transmission and speeding up arrangement engaged with the driving arrangement to convert a human power applied on the driving arrangement into a rotation power to drive the moving system. When the human power is applied on the driving arrangement, the driving wheel is rotated so as to drive the driven wheel to move forward. On the other hand, the transmission and speeding up arrangement is capable of increasing a transmission velocity twice to save a physical force for the rider at the same time. | 01-07-2010 |
| 20100187790 | ROCKER PROPELLED SCOOTER - A scooter having a rockable platform upon which the rider stands with both feet. The platform is attached by a chain to one-way sprocket wheels mounted to the scooter. rear wheel rotating the rear wheel to propel the scooter in a forward direction as the front end of the platform moves and as the rear end portion of the platform moves down. The scooter has a position to allow the user to place one foot on the ground and one foot on the platform to propel the same. | 07-29-2010 |
| 20100207349 | SCOOTER WITH AUXILIARY ASSEMBLY - A scooter with auxiliary assembly comprises a frame, a steering rod pivoted on the frame, a front wheel pivoted on the steering rod, a drive assembly fixed on the frame, and rear wheels pivoted on the frame and driven by the drive assembly. At least one pedal is pivoted on the frame, an elastic body connected the pedal and the frame, and at least one transmission assembly actuated by the pedal to rotate the rear wheels; wherein, the scooter has an auxiliary assembly that includes at least one supporter extended from the frame and at least one auxiliary wheel pivotally coupled to the supporter; the auxiliary wheel gets away from the ground due to the rear wheels while laying the scooter on the ground and properly contacts with the ground when the scooter is slant aside in time of forwarding. | 08-19-2010 |
| 20100219602 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train With Adjustable Stride Length Mechanism - An apparatus including a frame; a drive wheel coupled to the frame; a first and a second foot link operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot, a front end, and a rear end; and an adjustable stride length mechanism operable to change a stride length of an operator's foot positioned on the foot receiving portion of the foot link. | 09-02-2010 |
| 20100219603 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train With Direct Drive Power Transfer System - An apparatus including a frame; a drive wheel coupled to the frame; a first and second foot link, each including a foot receiving portion for receiving a user's foot; and a direct drive power transfer system coupled to the first and second foot links and the drive wheel such that when the foot links are operated by a user, the direct drive power transfer system applies propulsive force to the drive wheel without the use of a chain or belt. | 09-02-2010 |
| 20100219604 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train With Adjustable Foot Locations - An apparatus including a frame; a drive wheel coupled to the frame; a first and second foot link operably coupled to drive wheel to transfer power to the drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot, where each foot receiving portion allows for at least two repeatable foot positions for the operator's foot. | 09-02-2010 |
| 20100225085 | MINI BIKE HAVING PEDAL AS A POWER GENERATOR - A mini bike for strengthening a leg muscle, and for enjoying amusement and a leisure time is provided. The mini bike having a pedal as a power generator includes: a driver having a first bevel gear in order to transmit rotation power generated by a rolling motion of a pedal; a second bevel gear installed to transmit rotation power generated in the driver; a first power transmission gear coaxially installed in the second bevel gear to transmit rotation power to a spline shaft; a clutch positioned at the spline shaft to selectively connect rotation power of the first power transmission gear to a first gearshift and a second gearshift and for controlling a low speed and a high speed; a first driving gear and a second driving gear for rotating by selection of the clutch; and a driving controller including a gearshift in which the clutch is connected to the cable in order to select the first gearshift and the second gearshift. Therefore, when young boys and girls go to or coming from a school, when office workers go to or come from their office, when an adult enjoys a leisure time, as well as when children enjoy amusement, the bike can be used, and when riding on the bike, the user can enjoy a low speed or a high speed, and the bike can be used for strengthening a leg muscle. | 09-09-2010 |
| 20100230925 | Four Wheel Human Powered Striding Cycle - A four wheeled, human-powered, striding cycle that uses the stepping and striding motion of the human legs to propel a rider forward. Two separate and dependent foot pedals are moved fore and aft along a concaved arc segment. The motion simulates the natural stepping and striding motion of a running human. A standing human steps on a pedal, then moves it down and aft in a striding motion. As one pedal is moved aft, the other pedal moves forward in a reciprocating fashion. A cable and pulley system connects each pedal with its respective rear wheel. Pedal motion aft applies torque to its respective drive shaft which in turn rotates its respective drive wheel. Pedal motion forward also provides torque to the opposing drive shaft creating additional torque for the opposite wheel. Forward motion begins when force is exerted down and aft on each pedal by the stepping and striding motion of the human leg. The downward and repetitive stepping and striding motion provides the rider with forward motion and an intense aerobic exercise. | 09-16-2010 |
| 20100244398 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train With Crank Bearing - An apparatus including a frame with a pivot axis defined thereupon, a crank arm bearing at the pivot axis; a first and a second crank arm coupled to the crank arm bearing; a front wheel and a rear wheel coupled to the frame, the rear wheel including a rear wheel axle; a first and a second foot link, operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each foot link including a foot receiving portion for receiving a user's foot, a first end coupled to the frame, and a second end coupled to a respective one of the first and the second crank arms, wherein the crank arm bearing is located rearward of and above the rear wheel axle. | 09-30-2010 |
| 20100244399 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train Including Foot Retention - An apparatus including a frame; a drive wheel coupled to the frame; a first and second foot link operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot and a retention mechanism for retaining the operator's foot on the foot receiving portion of the foot link. | 09-30-2010 |
| 20100295262 | Folding Steering Column for Elliptical Bike and Method of Use - A foldable steering column of vehicle including a steering member with a steering fork. The foldable steering column includes a base coupleable to the steering fork; a steering tube pivotally coupled to the base between at least a first position aligned with the base and second position not aligned with the base; and a sleeve operably associated with the base and the steering tube for positioning between a first position where the steering tube is secured to and aligned with the base and a second position where the steering tube is free to pivot relative to the base. | 11-25-2010 |
| 20100295263 | Interlocking Guide Tracks for Elliptical Bike and Method of Use - An apparatus includes a frame with a pivot axis defined thereupon; a drive wheel coupled to the frame; a first and a second foot link operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each including a foot receiving portion for receiving an operator's foot, a front end, and a rear end; and a pair of internal guide track systems coupled to the frame, each internal guide track system being operative to engage the front end of each foot link internal to the internal guide track system and to direct said front end along a reciprocating path of travel while providing retention to each foot link. | 11-25-2010 |
| 20100320717 | Tricycle with driving units - A tricycle includes a head tube with a post connected to a first end thereof and a front wheel is connected to a lower end of the head tube. A handle is foldably connected to the post. Two swing links pivotably connected to the head tube by a front wheel seat on the head tube and each swing link includes a footboard and a rear wheel connected to each of the footboards. Two pedals are pivotably connected to the two footboards and each pedal is cooperated with a driving unit which includes a rotary unit and driving unit. The rotary unit is activated by pressing the pedal and the driving unit can only drive the rear wheel in one direction. The user holds the handles and steps on the footboards, by twisting his or her body, the tricycle moves forward as conventional tricycle. By alternatively pressing the pedals, the rear wheels accelerate by the driving unit such that the tricycle can move faster. The handles, the two swing links and the pedals are foldable to make the tricycle be compact size. | 12-23-2010 |
| 20100320718 | Drive Mechanism for a Vehicle Propellable by Muscle Power and Vehicle - A drive mechanism for a vehicle propellable by muscle power is provided, wherein the drive mechanism comprises a first actuating element ( | 12-23-2010 |
| 20110031714 | Hand driven scooter - An improved portable hand powered scooter and method of operating the same is disclosed in which the rider's hands move in unison to propel the scooter forward and to steer. The scooter is slowed and stopped when the rider reverses the hand rotation. The scooter is propelled, directed, slowed and stopped using the rider's hands and is thus suited for use by those with limited lower body mobility. The drive mechanism includes a hinge assembly that permits the steering column/drive system to fold back on the scooter so as to reduce the scooter's overall height and increase the scooter's portability. | 02-10-2011 |
| 20110057411 | SCOOTER AND PEDAL DRIVE ASSEMBLY - An improved two wheeled reciprocating pedal driven scooter has a frame including a steering assembly attached to the frame, a front steering wheel attached to a front axle attached to the steering assembly at the frame, a rear drive wheel attached to a rear axle attached to a rear portion of the frame and a drive mechanism for rotating the rear drive wheel. The drive mechanism has a pair of reciprocating foot pedals straddling each side of the frame, attached to and extending to a forward proximal hinge attachment location on the frame. Each of the foot pedals has a short portion and an intersecting long portion forming a bend at the intersection wherein an included angle θ between the short and long portions is 90 degrees or greater. The attachment location of the foot pedal to a coupling of the drive mechanism is at or near the intersection forming the bend of the short and long portions of each foot pedal. The proximal hinge location is vertically located on the frame a distance “Y” at or above the center of a drive axle. The short portion of the pedal extends a distance from the proximal hinge location to the intersection of the long portion of the foot pedal to form the bend wherein the bend is located at or below the frame. In use, when the long portion of one foot pedal is at the bottom of the foot pedal stroke it is substantially horizontal while the long portion of the other pedal is at the top of the stroke and is inclined to a maximum stroke angle α of less than 35 degrees, preferably 29 degrees. | 03-10-2011 |
| 20110074130 | STEP BOARD - The invention concerns a step board and the object of the invention is to provide a step board provided with a braking device to be stable and good in steering and propulsion performance. The step board of the invention in order to achieve the aforementioned object is characterized by comprising a first frame in which a directional caster is equipped at the front end and the back end of a main axis, respectively, a left foothold being extending left upward in the middle of the main axis in length, and a right foothold extending right upward, a second frame crossing the main axis and extending in the right and left directions, a directional caster being provided at each of the right and left ends thereof, and hinge-coupled to the first frame, and a plurality of coil springs one end of which is coupled to the first frame and the other end of which is coupled to the left and right sides of the second frame, respectively. | 03-31-2011 |
| 20110187073 | SCOOTER - An improved scooter includes a frame, a front wheel, a rear wheel, a stem, a handle, left and right pedal devices, and left and right first driving devices and second driving device. The left and right first driving devices are driven by the left and right pedal devices respectively for solely or jointly driving the second driving devices, and the driven second driving devices can drive the rear wheel to rotate and roll forward, such that the front and rear wheels can jointly drive the scooter to move forward. Users can pedal the pedal device(s) by one leg or both legs alternately to operate the scooter. The scooter not only complies with the simple, smooth, power-saving, stable and safe ergonomic design, but also comes with a unique operation and driving mode and achieves the effects of providing a recreational sport with fun as well as a transportation tool. | 08-04-2011 |
| 20110193311 | Pedal-driven scooter - A pedal-driven scooter includes a frame, a head tube, a driving mechanism and two pedals. The pedals can move alternatingly to power the driving mechanism and making the rear wheels to roll. Therefore, a user can standing on the pedals to operate the scooter without kicking the floor as the conventional scooter. | 08-11-2011 |
| 20110215546 | Self-Propelled Vehicle Propelled by an Elliptical Drive Train With Improved Stride Length - An apparatus including a frame with a pivot axis defined thereupon, a crank arm bearing at the pivot axis; a first and a second crank arm coupled to the crank arm bearing; at least two wheels coupled to the frame, at least one of which is a drive wheel; a first and a second foot link, operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each foot link including a foot receiving portion for receiving a user's foot, a first end coupled to the frame, and a second end coupled to a respective one of the first and the second crank arms, wherein the foot receiving portion is movable along a generally elliptical path having a stride length greater than 17 inches. | 09-08-2011 |
| 20110233891 | DEVICE OF HUMAN CONVEYANCE - A device for human conveyance includes front and rear wheels. The rear wheel interfaces to a sprocket/gear through a ratchet drive system allowing forward rotation of the rear wheel responsive to forward rotation of the sprocket/gear and allows free backward rotation of the sprocket/gear. The front and rear wheels are rotatably interfaced to a frame that keeps the front wheel at a constant distance from the rear wheel. A front end of an arc-shaped spring is affixed to the frame and a rear end of the arc-shaped spring has sprocket/gear teeth that are interfaced to the sprocket/gear whereas depression of the arc-shaped spring pushes the rear-end of the arc-shaped spring in a rearward direction with respect to the rear wheel and the sprocket/gear teeth turns the sprocket/gear in a forward rotational direction. A resilient member is disposed between the arc-shaped spring and the frame to absorb shock. | 09-29-2011 |
| 20110298193 | SKATE CAR STRUCTURE - An improved skate car structure includes a control member installed at a frame that is provided for fixing a front pipe, an elastic restoring element installed in the control member and coupled to the frame, a positioning ear disposed separately on both sides and provided for a pivoted bolt to pivotally installing left and right support rods; a pivoted bolt installed at the frame for positioning the left and right support rods, a handlebar and a front driving wheel installed at ends of the front pipe respectively, and a rear driving wheel module installed at a rear end of the left and right support rods, swung freely and restored automatically, such that after a user stands on the left and right support rods, the user can twist his body, hip or both legs to apply forces or swing the handlebar sideway to drive the car body to slide forward. | 12-08-2011 |
| 20120007331 | TWISTED STRUCTURE FOR A SKATEBOARD - A twisted structure for a skateboard includes a first board member having a first groove defined therein and extending therearound. A second board member is connected with the first board member. The second board member has a second groove defined therein and extending therearound. An elastic band is stretchably received in the first groove and the second groove. The elastic band encloses the first board member and the second board member for connecting the first board member with the second board member. Accordingly, the first board member is pivotally twisted related to the second board member by the elastic band. | 01-12-2012 |
| 20120013097 | PEDAL DRIVING DEVICE OF STANDING TYPE BICYCLE - An improved pedal driving device of a standing type bicycle includes driving sprockets installed at positions of first and second rotating shafts of first and second cranks respectively, and a chain installed between the two driving sprockets for rotating the two driving sprockets synchronously, such that left and right pedals pivotally and respectively installed between other ends of the first and second cranks and provided for pedaling by a user's legs, and when the first and second cranks drive the first and second rotating shafts to rotate, the two driving sprockets and the chain are operated together to rotate the first and second rotating shafts and the first and second cranks synchronously and drive the left and right pedals to revolve along an elliptical track with a clash-free and smooth movement, so as to achieve a smooth, comfortable and safe operation of the bicycle. | 01-19-2012 |
| 20120061938 | Vehicle at Contemporary Stretching and Contraction Action of the Lower and Upper Limbs - The vehicle has propulsion generated to the stretching or the contraction of the limbs that push or drag the seat ( | 03-15-2012 |
| 20120068433 | HUMAN POWERED COMMUTER VEHICLE - This invention relates to a foldable vehicle comprising at least three wheels which of one wheel is a steering wheel, a steering handle, a frame connected with the steering element and having at least one standing surface. Upon folding the frame will be movable with respect to the steering handle to statically fit together in a compact manner Hereby a practical and efficient vehicle for personal transportation and commuting is created. | 03-22-2012 |
| 20120068434 | STEP BOARD - The present invention relates to a step board, and has an object to provide a step board with simple parts in order to prevent minor malfunctions. In order to achieve the object above, the step board according to the present invention includes a plurality of bars, each having a top surface to step thereon and a bottom surface mounted with a rotation body, a driving section hinge-coupled with the front ends of the bars for rotatively supporting the bars in the vertical direction and mounted with a first caster on the bottom surface thereof, and a base plate rotatively coupled with the driving section at the front end thereof, mounted with a plurality of second casters on the bottom surface thereof and curved at a portion corresponding to the rotation body, wherein the rotation body rolls to move by rotating along the curved portion of the base plate as the plurality of bars rotate in the vertical direction. | 03-22-2012 |
| 20120223502 | Three-Wheeled Scooter Device - A human-powered scooter propelled by side-to-side movement of the user. The scooter has a steering mechanism coupled to a front wheel, and two frame arms pivotably coupled to the steering mechanism and extending rearward, to which two rear wheels are respectively coupled. A novel linking piece coupled to the steering mechanism can engage the frame arms in order to restrict their pivoting to equal magnitude in opposite directions. The linking piece can also disengage from the frame arms to allow the frame arms to be folded up. The pivoting axes of the two frame arms are predetermined such that, when folded, the frame arms are as near as possible to being parallel to the main shaft of the steering mechanism. Means for enabling the steering mechanism to directly control the orientation of the rear wheels, and means for directly braking at least one of the rear wheels are also disclosed. | 09-06-2012 |
| 20120248731 | Wheeled vehicle - A vehicle supported on driven wheels includes a frame supported on the wheels, a platform supported on the frame at a pivot, a flexible member including a first end secured to the platform at a first side of the pivot and a second end secured to the platform at a second side of the pivot opposite the first side, and a mechanism engaged with the member and driving the wheels in one rotation as the member reciprocates through the mechanism due to oscillation of the platform about the pivot. | 10-04-2012 |
| 20130087987 | BI-DIRECTIONAL PROPULSION CASTER - A bidirectional propulsion caster assembly is disclosed for enabling a rider to generate bi-directional motion from a ride-on device. A mounting bracket is attachable to the bottom of the device and defines a pivot axis extending in a generally transverse direction across the bottom of the device. A rocker bracket and caster shaft having a caster shaft axis are attached to the mounting bracket and pivot about the pivot axis along an arc between first and second positions. A wheel bracket is mounted to and rotates about the caster shaft. A wheel is mounted to the wheel bracket for rotation about a wheel axis angularly offset from the caster shaft axis. One or more changeable pivot stops may be attached to the rocker bracket or the mounting bracket and effective to further define the available arc of rotation. | 04-11-2013 |
| 20130140787 | SLIDER - A slider is provided which can travel ahead by placing a user's foot on a board and stamping the ground with the other foot like a known kick board or which can exercise a user by causing shafts each having a rear board fixed thereto to sufficiently extend backward and moving the shafts at symmetric angles relative to each other and can spontaneously travel ahead by means of waveform-like actions using rear casters attached to the bottoms of the rear boards. | 06-06-2013 |
| 20150336626 | SCOOTER - A scooter comprises a main frame, a handle bar arranged in front of the main frame and extending upward, a handle mounted at the upper end of the handle bar, and a front wheel and a rear wheel arranged below the main frame, the main frame including a connecting seat in the front thereof used for connecting with the handle bar, and a connecting bar extending backward from the connecting seat, with the connecting bar provided on the left and right sides with a left pedal and a right pedal extending outward, respectively. While pedaling, a pedaler alternatively pedals on the left and right pedals with both feet, which changes the traditional way of pedaling with one foot in the front and the other in the rear, and has better stability and higher pedaling speed. | 11-26-2015 |
| 20150344102 | Stepper Exercise Scooter - A stepper scooter provides step pads that are connected to a laterally arranged rocker bar assembly. Vertical movement of the step pads causes the rocker bar assembly to reciprocally pivot which translates drive chains which cause rotation of the drive wheel or wheels. The rocker bar assembly comprises two four bar linkages between a center fork and each step pad. An alternate embodiment uses the rocker bar to reciprocally rotate a gear axle which drives a bevel gear arrangement to rotate the drive wheel or wheels via one-way bearings. Another embodiment incorporates a chain and sprocket drive between the bevel gear arrangement and the drive wheel or wheels, wherein the one-way bearings are replaced with a one-way sprocket drive. | 12-03-2015 |
| 20150367910 | ELLIPTICAL DRIVE MECHANISM AND A STEERING MECHANISM, APPLICABLE TO VELOCIPEDES IN GENERAL - “IMPROVEMENTS INTRODUCED IN AN ELLIPTICAL DRIVE MECHANISM AND A STEERING MECHANISM, APPLICABLE TO VELOCIPEDES IN GENERAL,” more specifically, it is about elliptical velocipedes ( | 12-24-2015 |
| 20160045814 | Rider Driven Skateboard - A skateboard comprising a pair of front wheels mounted to a front axle having a one-way clutch mounted in one or both front wheels, and a pair of rear wheels mounted to a rear axle having a one-way clutch mounted in one or both rear wheels, and a drive mechanism configured to drive the front axle so as to rotate one or both front wheels to drive the board forward when a rider's weight is shifted to the rear of the skateboard deck, and configured to drive the rear axle so as to rotate one or both rear wheels to drive the board forward when the rider's weight is shifted to the front of the skateboard deck. | 02-18-2016 |
| 20160159429 | BICYCLE WITH REAR DRIVE ASSEMBLY FOR ELLIPTICAL MOVEMENT - A bicycle with a rear drive assembly configured to allow pedal boards to be pivotable while moving in an elliptical trajectory and which allows a cyclist to ride in an erect position is disclosed. A front end of each of the pedal boards is pivotably connected to an end of a crank and each of the pedal boards is connected to or integral with a guide rod extending rearwardly from the pedal board. The guide rods are supported by a rear drive assembly comprising a transverse tube that is horizontally connected to a frame of the bicycle. A roller is mounted at each end of the transverse tube. Each roller has a groove which accommodates the cross-section of the guide rod. | 06-09-2016 |
| 280223000 | With added power application | 2 |
| 20170233034 | Apparatus to propel bicycle | 08-17-2017 |
| 280224000 | Hand and foot | 1 |
| 20160052585 | STEPPER - A stepper comprising: a direction controller having a front wheel set and a steering wheel connected to the front wheel set; a rear wheel transmission having a gear transmission and a rear wheel shaft, the gear transmission having an active gear, a chain and a passive gear, the active gear connected to the passive gear via the chain, the rear wheel shaft having a rear wheel set and connected to the passive gear; a supporting shaft connected to the direction controller and the rear wheel transmission; and a foot-hand swinging set having a pedal and a joystick having a handle, the pedal mounted on two sides of the supporting shaft, one end of the pedal connected to the active gear, the joystick connected to another end of the pedal. | 02-25-2016 |
| 280226100 | Movable seat | 2 |
| 20080296862 | Multi-mode tandem bicycle - A multi-mode tandem bicycle includes a frame, a steering wheel, a directional wheel, a first pedaling member, a second pedaling member, a first seat, a second seat, a first transmission unit, and a second transmission unit. By pivoting at least one of the first seat and the second seat on the frame, direction of the first seat or the second seat can be changed and fixed on the aforementioned frame, and at least one of the first seat and the second seat is pointed toward and connected with the steering wheel, thereby resulting in a variety of riding modes. | 12-04-2008 |
| 20090212524 | Push and Pull Vehicle by Stand-and-Sit Action - This invention A Push and Pull Vehicle by Stand-and-Sit Action provides a solid turning, fast reaction steering feeling as a regular bicycle while still able to push or to pull or do both to drive vehicle forward. It just works on opposite side force of pulling and pushing by stand-up and sit-down actions. It contains a handlebar with a steering column on steering, a treadle and a moving seat working together as leverage against each other, and with an increasing ratio device to magnify driving stroke and drives 2 one-way devices on rear wheel at a continuous cycle. | 08-27-2009 |
| 280228000 | Treadmill type | 1 |
| 20140117641 | KICK SCOOTER - A kick scooter at least includes a vehicle frame, an upright arm, a handle, a front wheel, left and right bearing bars, a flexible linkage mechanism, left and right rear wheels, and left and right footboards. The upright arm and the left and the right bearing bars are assembled to the vehicle frame. The handle and the front wheel are respectively mounted to an upper end and a lower end of the upright arm. The flexible linkage mechanism is coupled between the upright arm and the left and right bearing bars to provide the left and right bearing bars with swinging torques. The left and right rear wheels as well as the left and right footboards are respectively disposed at positions near rear ends of the left and right bearing bars. Centers of gravity of the left and right footboards are located between the left and right rear wheels. | 05-01-2014 |
| 280229000 | Eccentrically mounted wheels | 1 |
| 20120161415 | EXERCISE BICYCLE WITH AN ECCENTRIC WHEEL - An exercise bicycle with an eccentric wheel includes a cushioning body and an elastic driving device. The cushioning body includes a front frame, a rear frame, a pivot, and a suspension. The front frame has a handlebar, a front wheel and a saddle. The rear frame has a fixed portion and an eccentric rear wheel. The pivot is disposed between the front frame and the rear frame. The suspension is connected to the front frame and the rear frame. The elastic driving device is mounted in the fixed portion of the rear frame and has two casing pipes, twp springs, two upper pedals, two pedal assemblies, and a connecting board. The exercise bicycle allows a user pumping the elastic driving device up and down as horse-riding to achieve an exercising purpose. | 06-28-2012 |
