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| Number | Title | Issue Date |
| 7762569 | Cycle having unique balancing capabilities A cycle is disclosed that has at least one wheel with an axle rotatably mounted to a pair of opposing support plates. A seat is mounted to an upper end of an inverted Y-shaped seat support frame that includes two lower ends each pivotally mounted at a seat pivot to ... | 07/27/2010 |
| 7568714 | Bicycle having a removable power assist module A power assist module includes a battery powered motor mounted on a manually operated vehicle, such as a bicycle. The power assist module is fixedly mounted on the bicycle and can be easily removed without the need for tools, so that the bicycle can be manually oper... | 08/04/2009 |
| 7543834 | Foot-propelled wheeled hobby or sport device The invention relates to a foot-propelled, wheeled hobby and/or sport device that has a foot plate. Characteristic of the device is that it has one or two wheels (1) positioned between two side plates (7, 8) the axle (3) of which wheel (1... | 06/09/2009 |
| 7537228 | Monocycle A monocycle, includes a wheel, a pedal, a frame portion, a saddle portion, a handle portion, and a braking unit. The wheel includes a rim having a tire, an axle arranged at a center portion of the rim, and a connecting piece for connecting the rim and the axle. The ... | 05/26/2009 |
| 7537229 | Unicycle with auxiliary wheels A unicycle includes an n-shaped fork and a wheel rotatably mounted between two lower ends of the fork via a drive axle. The drive axle has two opposite ends each having a crank mounted thereon. A pedal mounted on a free end of each crank. A seat post is longitudinal... | 05/26/2009 |
| 7407465 | Torso exercising apparatus A portable exercising apparatus for isolating a user's torso muscles during operating conditions includes at least one wheel section that has at least one rim including a plurality of spokes, an elongated axle, and at least one hub including a bearing disposed there... | 08/05/2008 |
| 7357767 | Adjustable balance board with freely moveable sphere fulcrum An adjustable balance board for use in rehabilitation, fitness training, and action sports such as skateboarding, snowboarding, and surfing comprises of a solid standing platform placed on top of a variety of fulcrums. The fulcrums include, but are not limited to, a... | 04/15/2008 |
| 7337862 | Mono-wheel vehicle with tilt mechanism In accordance with the present invention a mono-wheel vehicle is provided. The vehicle includes a housing with an inner circumference. A wheel is connected to the housing such that the wheel is able to rotate independently of the housing. The wheel has an outside po... | 03/04/2008 |
| 7300392 | Balance training apparatus A board for balance training has an upper footstep surface, lower bearing surface and a progressive series of concentric, cylindrical sub-frames depending from the lower surface which enclose progressively smaller framed-in areas of the bearing surface within progre... | 11/27/2007 |
| 7273116 | Dynamic balancing vehicle with a seat A device for transporting a human subject over a surface. The device is a dynamically balancing vehicle having a control loop for providing balance. The device includes a platform defining a fore-aft plane. The platform supports a payload including the human subject... | 09/25/2007 |
| 7240586 | Auxiliary power unit starting apparatus for an electric bicycle The present invention relates to an auxiliary power unit starting apparatus for an electric bicycle, which can convert the rider's pedaling force into mechanical displacement at the time the bicycle is being pedaled, and then the mechanical displacement can start th... | 07/10/2007 |
| 7207584 | Motorized bicycle drive system using a standard freewheel and left-crank drive An auxiliary power system for a bicycle having a motor (10) attached to the bicycle flame (22) by thin clamps (30), which can be arranged in a variety of positions to avoid disturbing the control cables. Power is delivered on demand via a sprock... | 04/24/2007 |
| 7112168 | Selectively dynamic exercise platform Balancing equipment that provides a selectively dynamic platform for an individual thereon. The weight and movement of the individual causes the platform to tilt in any direction, thereby attempting to throw off the balance of the individual, causing the individual ... | 09/26/2006 |
| 7074169 | Wheel-guiding device and methods of use thereof A wheel-guiding device comprises a handle connected to a member of a U-shaped member and the handle is preferably essentially perpendicular to a plane of the U-shaped member for guiding the motion of a preferably wheel. The handle is extendable for adjusting the len... | 07/11/2006 |
| 7044558 | Ball chair with a retaining device A ball chair with a retaining device has a seat (10), a spherical cushion (20) and two retaining pieces. The spherical cushion (20) rests on the seat (10). The two retaining pieces are selective retaining rods or retaining walls and are r... | 05/16/2006 |
| 7017686 | Hybrid human/electric powered vehicle A personal transporter that provides both for propulsion by a user, and, at the same time, for dynamic stabilization by means of a powered actuator. A pitch variable such as pitch or time rate of change of pitch is sensed and used to determine the torque provided to... | 03/28/2006 |
| 7004271 | Dynamic balancing vehicle with a seat A device for transporting a human subject over a surface. The device is a dynamically balancing vehicle having a control loop for providing balance. The device includes a platform defining a fore-aft plane. The platform supports a payload including the human subject... | 02/28/2006 |
| 6974145 | Conveyance stabilization assembly A stabilization assembly (10) and a methodology for reducing lateral movement of a conveyance. Particularly, the assembly (10) comprises two opposing wheel-to-frame connector portions (36, 40) which are coupled to a conveyance (100), a fi... | 12/13/2005 |
| 6854751 | Object lifting and moving device An apparatus facilitating the lifting and movement of objects. The present invention, in one embodiment, features a curved rim extending around a mounting plate to which an object or an object carrier can be attached. The object is mounted off-center relative to the... | 02/15/2005 |
| 6676146 | Wheeled device for pedal-powered riding A three-wheeled device (10) for pedal-powered riding, wherein the device (10) provides a substantial but not excessive riding challenge. The preferred device (10) broadly comprises three wheels (12); two shafts (14); and two pedals (16). The wheels (12) a... | 01/13/2004 |
| 6666469 | Auxiliary device of monocycle An auxiliary device of a monocycle has an auxiliary body connected to a monocycle. The main fork of the monocycle has a main sleeve. A detachable auxiliary body is connected to the main sleeve. Thereby, the auxiliary body can be installed to or detachable... | 12/23/2003 |
| 6561594 | Wheel shaft structure of monocycle A wheel shaft structure of a monocycle includes a wheel rim, and a shaft assembly mounted in a center of the wheel rim. The shaft assembly includes a wheel shaft passed through the wheel rim, two opposite single-direction bearings symmetrically mounted on... | 05/13/2003 |
| 6505698 | End-weighted vehicle An end-weighted vehicle comprising a framework having opposing ends and a wheel mounted to one of the ends for rotation and defining a footprint, and a weight supported by the framework proximate the wheel so as not to interfere with the rotation of the w... | 01/14/2003 |
| 6502657 | Transformable vehicle The transformable vehicle comprises a central chassis assembly having first and second distal ends with an axis passing therebetween, a first wheel assembly mounted to the first distal end, and a second wheel assembly mounted to second distal end. A multi... | 01/07/2003 |
| 6474742 | Appendage cramp relief device A appendage cramp relief device for aiding in the relief of cramps in the appendages of the user during extended medical treatment sessions. The appendage cramp relief device includes a base which is designed for resting on a support surface, a stanchion ... | 11/05/2002 |
| 6412800 | Universal kit for the application of an electric motor on a standard bicycle transforming same bicycle into a bicycle with pedal assist from the electric motor A kit for universal use with standard bicycles includes an electrical motor which is mountable to the pedal axle of a bicycle, the electric motor having permanent magnets, an electronic control for these motor magnets, batteries and a reduction gear based... | 07/02/2002 |
| 6405816 | Mechanical improvements to a personal vehicle Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms.... | 06/18/2002 |
| 6378634 | Tracking device A tracking device includes an external member and an internal member rotatable relative to the external member. A motor is attached to the internal member and includes a rotor shaft attached to the external member. A pair of target sensors that sense a ph... | 04/30/2002 |
| 6368226 | Conical recreational device A conical recreational device for providing recreation and exercise. The conical recreational device includes a tubular housing having a first open end and a second open end. The tubular housing has a generally frusto-conical shape. A peripheral lip is at... | 04/09/2002 |
| 6053853 | Physical training wheel An exercise wheel comprising means for emplacement of an operator's feet whereby he or she orients the body such that the hands are rigidly placed against the underlying surface and the wheel is alternately projected and retracted so as to exercise certai... | 04/25/2000 |
| 5868413 | Unicycle having rearwardly mounted handle structure for training riders An improved unicycle is disclosed. The unicycle has a forked stem with a pair of tines. A wheel is rotatable mounted on the tines and a seat is connected to the stem. The stem has a first rod extending rearwardly from the stem and a second rod at the end ... | 02/09/1999 |
| 5454579 | Foot-propelled vehicle A foot-propelled vehicle includes an auxiliary wheel unit and a unicycle suspended on the auxiliary wheel unit, wherein the wheel of the unicycle is suspended from a spring so that when the pedals of the unicycle are forced downward and propelled, the whe... | 10/03/1995 |
| 5409075 | Pneumatic suspension system for farm equipment A suspension system for tracked vehicles has a plurality of interconnected air bags that is used to more evenly distribute the weight of the vehicle superstructure over the belt track. The more even weight distribution improves floatation of the vehicle o... | 04/25/1995 |
| 5326118 | Limited tilt unicycle A unicycle includes a center wheel with two diametrically opposed pedals. Each pedal has a tilt limiting ground contactor such as a wheel or ball affixed to the free end. The ground contactor contacts the ground at the lowest point of pedal travel if the ... | 07/05/1994 |
| 5314034 | Powered monocycle A monocycle comprising of a single tyred wheel, a handlebar and engine means, stabilized by a gyro flywheel means having substantially large moment of inertia.... | 05/24/1994 |
| 5002295 | Unicycle having an eccentric wheel A wheel of a unicycle has two beams disposed in parallel in a rim. A bolt is extended between the beams. The head of the bolt is disposed away from the geometric center of the wheel and the bolt extends through the geometric center of the wheel. Two plate... | 03/26/1991 |
| 4875672 | Swing board toy A toy utilizing a platform having first and second sides. A post extends the platform from one side to another and connects to an arm linked to a wheel. The wheel bears on the underside of the platform. The user is supported on the top side of the platfor... | 10/24/1989 |
| 4861053 | Spherical support apparatus movable over plane surfaces A spherical element is disclosed having an external pivotably mounted bail counterbalance by an internal counterweight where the sphere is operable over plane surfaces and water supporting a variety of counterbalanced instrumentalities upon the bail and m... | 08/29/1989 |
| 4740001 | Sprag wheel A sprag wheel is a one-wheeled recreational vehicle. Two treads extending on opposite sides of a ground wheel provide a place for the rider to stand. A flywheel concentrically mounted with the treads and ground wheel and housed within the ground wheel pro... | 04/26/1988 |
| 4647059 | Bicycle which can be converted into a unicycle A bicycle is convertible into a unicycle by use of quick-release couplings. The front wheel and handlebar are separable from the frame and rear wheel of the bicycle by release of a quick-release coupling. The handlebar can be removed by another quick-rele... | 03/03/1987 |
