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7527276 |
Scooter with at least one laterally fold-out foot rest unit
The invention relates to a scooter with a frame, at least one front wheel ( 12 ), at least one rear wheel ( 11 ) and with a steering gear ( 3, 6, 7 ), with which at least one front wheel ( 12 ) is...
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7429055 |
Cycling device
A cycling device comprising a frame a plurality of pedals a plurality of wheels coupled to said frame, and a harness coupled to said frame wherein the harness allows a user to be coupled to said...
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7401799 |
Recumbent vehicle
Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission...
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7367576 |
Foldable bicycle
A foldable bicycle includes a head strut, a seat strut, and first and second bracing struts pivotally mounted to one another about four pivot axes such that lifting of a pivot joint of the first...
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7367575 |
Arrangement structure of speed-change cable
To improve the operability by a speed-change cable and to reduce the cable by selecting an adequate arrangement structure of the speed-change cable from a transmission case to an operating element...
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7361109 |
Bicycle gear set
A bicycle gear assembly has first and second sets of cog wheels, each having at least three cog wheels of various sizes including a largest cog wheel and a smallest cog wheel. These two sets are...
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7354055 |
Recumbent vehicle
Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission...
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7350436 |
Electrical bicycle shift control device
An electrical bicycle shift control device is provided that includes a handlebar mounting portion and an electrical shift control switch portion. The handlebar mounting portion is configured to be...
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7344468 |
Bicycle crank speed change sprocket module
A bicycle crank speed change sprocket module includes a fixed star gear having a ratchet around its internal periphery, at least two planet gears and two chains pivotally coupled and axially...
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RE40127 |
Human-powered driving mechanism
A human powered drive units each including a pair of a rotatable member having a sprocket and a supporting member having a sprocket, which are arranged up and down, and including a chain extended...
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7311321 |
Wheel mounting and drive arrangement for a cycle, especially for a recumbent bicycle
A cycle that has two fixed frame arms extending down on each side of the head tube axis, and a steering arm rotatably mounted in the head tube extends down between the frame arms and has a...
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7296815 |
Bicycle suspension apparatus and related method
Bicycles are disclosed which include a rear wheel suspension system. The rear wheel suspension of the present bicycles are designed to move an instant center to track a chain torque line of the...
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7290779 |
Bicycle shift control apparatus that cancels a tentative shift
A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a...
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7264256 |
Bracket assembly for a motor controlled bicycle transmission
A bracket assembly for mounting a motor or other control device to a bicycle frame includes a bracket base for supporting the control device at least partially above a chain stay, and a bracket...
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7243937 |
Bicycle control apparatus
A bicycle control apparatus comprises a mounting member structured to be attached to a bicycle, a control unit structured to be mounted to the mounting member and a battery unit structured to be...
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7201390 |
Scooter operated manually or automatically
A scooter includes a main body, a rear wheel mounted on a rear end of the main body, and an operation mechanism mounted on the main body and connected to the rear wheel to move the rear wheel. When...
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7153229 |
Chain alignment structure of bicycle transmission
The present invention provides a chain alignment mechanism of a transmission for a bicycle which includes a drive sprocket wheel which is rotatably driven by a crankshaft, a driven sprocket wheel...
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7114737 |
Recumbent vehicle
Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission...
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7036836 |
Automatic speed change device for bicycle gearbox
A structure of an automatic speed change device for bicycle gearbox is disclosed in this present invention. The above-mentioned design can be applied to a bicycle with a rear wheel speed change...
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7011323 |
High speed bicycle
A drive for a bicycle includes an auxiliary sprocket wheel assembly having two sets of at least three sprocket wheels associated in each assembly attached to a common axle, one of said sets having...
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6988741 |
Tricycle
The present invention 10 discloses a new and novel tricycle with adjustable linkage 48, 54 for varying the drive power for either foot or hand power. Furthermore, the linkage 44, 52 can also...
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6983948 |
Human powered device with removable flywheel power unit
A flywheel power unit that can be inserted into a variety of machines. The standardization of the power unit means that the more expensive gearing, clutch and flywheel components do not have to be...
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6959941 |
Bicycle shift control apparatus that selectively restricts speed stages
An electronic shift control apparatus is provided for a bicycle having a transmission with a plurality of speed stages. The apparatus comprises a shift unit that provides signals for shifting the...
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6929276 |
Mechanism for driving bicycles
Improved mechanical structure for increased efficiency in the transfer of the peddling force applied to a pedal crank assembly to the rear wheel of a bicycle is disclosed. This structure increases...
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6852060 |
Gear assembly
A planetary gear assembly comprising a primary array ( 2 ) of co-axial planetary gear sets and a secondary array ( 3 ) of co-axial planetary gear sets, planetary gear set being provided with an...
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6834876 |
Method and apparatus for controlling a bicycle transmission with combined shift commands
A gear shift control apparatus comprises a shift command input that receives shift commands indicating a desired gear shift operation, a control output that outputs controls signals that control a...
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6830259 |
Pedal-type driving device suitable for bicycle
A pedal-type driving device suitable for a bicycle, including a main shaft rotatable about a central axis and a chain sprocket mounted about the main shaft for rotation therewith. There are two...
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6817621 |
Mechanism for driving bicycles
Improved mechanical structure for increased efficiency in the transfer of the peddling force applied to a pedal crank assembly to the rear wheel of a bicycle is disclosed. This structure increases...
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6739601 |
Trailer tongue jack having manually powered guidance
An improved jack for supporting and moving a horizontally extending trailer tongue above the earth's surface having a longitudinally extending support shaft, a bracket rotatably attaching the...
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6714849 |
System and a method for the control of variable-ratio transmissions
A system for controlling a variable-ratio transmission is mounted on an apparatus ( 1 ) and associated with an actuator ( 2 ) for changing the transmission ratio, as well as operating means ( 3 )...
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6695332 |
Bicycle transmission device for unidirectional output from bi-directional input
A bicycle with a forward and backward pedaling system which drives a bicycle forward in either a forward or a backward pedaling. A forward and backward pedaling bicycle which comprises a backward...
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6682087 |
Bicycle computer control arrangement and method
A control system for an automatic shifting bicycle transmission comprises a control unit that communicates with a memory location. The memory location stores a plurality of shift tables. The...
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6659488 |
Tricycle
The present invention 10 discloses a new and novel tricycle with adjustable linkage 48, 54 for varying the drive power for either foot or hand power. Furthermore, the linkage 44, 52 can also...
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6641159 |
Compound drive foldable bicycle
A compound drive foldable bicycle consisting of a bicycle in an unfolded state having a length between the outer edges of a front and a rear wheel that is divided into three sections such that the...
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6607207 |
Wheeled personal mobility devices with collapsible wheel axle assemblies and integrated steering and propulsion linkages
Wheeled personal mobility vehicles with extremely thin stowed profiles are provided, which in one embodiment, include a plurality of movable, collapsible wheel axle assemblies which are supported...
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6598892 |
Two wheel steering bicycle with latitudinal aligned wheels
A center support member connects the rear head tube to the front head tube. The rear wheel attaches to the rear fork extending upwards. The rear fork steerer column passes through the rear head...
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6588786 |
Chain driven front wheel drive and rear wheel steering bicycle
A bicycle having front wheel drive and rear wheel steering, having a frame, a front wheel, handlebars, and a rear wheel. A rear steering assembly allows the rear wheel to be pivoted by a rear...
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6588785 |
Pedal powered vehicle
The present invention relates to a vehicle, which is specifically adapted to be used as a bumper car. The vehicle is constructed from a frame that allows the vehicle to absorb and deliver impacts...
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6581949 |
Cycle scooter
A wheeled vehicle that is convertible between a bicycle mode and a scooter mode. The cycle scooter includes a front wheel drive system with an operator seat that is movable between a lowered...
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6557879 |
Land rower
This is a hand-propelled wheeled device for a rider. The device includes: a frame with two sides; a first and second drive wheel rotatably mounted to the two sides; a first hand crank connected to...
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6540244 |
Human-powered driving mechanism
A human powered drive units each including a pair of a rotatable member having a sprocket and a supporting member having a sprocket, which are arranged up and down, and including a chain extended...
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6516685 |
Power-saving driving device for treading pedals of bicycle
A power-saving driving device for treading the pedals of a bicycle is disclosed. Thereby, the driver may use a smaller force to tread a bicycle so that a higher efficiency is provided. The...
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6431573 |
Automatic transmission for a cycle, such as a bicycle, and a cycle having such as transmission
A shifting mechanism for a bicycle or other wheeled cycle has at least two gear wheels, of which at least one is segmented. The segments are movable into and out of a driving position. Motion of...
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6425598 |
Folding bicycle
A folding bicycle includes a folding mechanism that permits the folding bicycle in its extended state to be folded at an intermediate region between a front wheel and a rear wheel. The folding...
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6419252 |
Traveling and accelerating system for riding a bicycle forward regardless the rotation direction of the pedals
A traveling and accelerating system for bicycles includes a frame having a front wheel at a front part and a rear wheel at a rear part thereof; a pair of pedals fixed at both sides of a shaft which...
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6394478 |
Bicycle frame
The improved bicycle frame is designed for adult bicycles. It is made of single tubes only. The chainstay and the seatstay are of slightly larger diameters than the neck tube, top tube, down tube,...
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6347803 |
Bicycle with two chain driven differentials
The invention is directed to a bicycle that has an elevated lower frame surface to allow for continuous pedaling of the bicycle in a tight banked turn. At least one transmission with that has an...
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6283486 |
Engaging and disengaging gear for a bicycle pedal crank axle
An engaging and disengaging gear for a bicycle includes an axle rotatably mounted in a five-way tube on the bicycle to connect to two pedal cranks, a thimble fixedly connected to one end of the...
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6276703 |
Land rower
This is a hand-propelled wheeled device for a rider. The device includes: a frame with two sides; a first and second drive wheel rotatably mounted to the two sides; a first hand crank connected to...
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6203043 |
Four-wheel, human powered cycle
A semi-recumbent, human powered, four wheel cycle has an independent front suspension and wheels that are turned. A conventional bicycle chain drive drives one or both front wheels. The rear wheels...
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