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Document Title |
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7621356 |
Pallet puller tool
A powered, directionally steerable trailer jack that can be used to elevate and lower a trailer tongue and having a caster wheel assembly affixed to a lower end of the jack. The caster wheel...
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7597331 |
Reconfigurable wheeled vehicle
The present invention relates to a unique convertible ride-on vehicle. The ride-on vehicle of the present invention includes at least one font wheel, at least two rear wheels mounted on a rear...
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7527277 |
Bicycle crank
A crank is provided with a crank axle connecting portion for connecting a crank axle thereto, a pedal connecting portion for connecting a pedal thereto, and a main crank portion positioned between...
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7487982 |
Combination vehicle frame
A combination vehicle frame includes a base frame unit formed of a plurality of frame bars detachably connected to one another. One of the frame bars is provided with a head having intersected...
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7445223 |
Bicycle drive unit capable of backward movement and naughtrotation and forward movement traveling when rectitude or reverse pedaling
The present invention relates to a bicycle drive unit that moves forward and backward and idles upon clockwise and counterclockwise pedaling, comprising: a drive shaft having one end located in an...
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7416203 |
Assembly for converting standard bicycle into a recumbent and a bicycle incorporating the assembly
Embodiments of the present invention comprise assemblies for converting an upright-style bicycle into a recumbent bicycle. Additionally embodiments comprising the converted bicycle are also described.
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7377535 |
Bicycle frame
A bicycle frame assembly including a down tube and a monolithic down tube support. The down tube support preferably defines a pocket configured to receive an end portion of the down tube such that...
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7370873 |
Bicycle drive unit of multi pedaling type
The present invention relates to a bicycle drive unit of multiple pedaling modes, comprising a drive shaft on one side having a counterclockwise one-way clutch and a clockwise one-way clutch...
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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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7350796 |
Crank apparatus for bicycles and the like
A crank apparatus includes a driven member rotatably mounted to a machine, and a crank arm attached at an inner end thereof to the driven member at a rotational axis of the driven member such that...
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7311322 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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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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7293790 |
Omni-directional toy vehicle
The invention relates with the omni-directional toy vehicle that can move in all directions of forward, backward, rotational, left and right movement by driving manually the omni-directional wheels...
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7246809 |
Recumbent bicycle
A bicycle having a frame with a single steering arm rotatably mounted in the frame and extending downwardly away from the frame. A wheel support is provided at the end of the arm and a front wheel...
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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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7240907 |
Tricycle crank structure
A tricycle crank structure comprises a wheel axle, a pair of cranks and a pair of pedals. The wheel axle is provided with a pair of non-circular sectional holes at respective ends. The inner wall...
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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...
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7223189 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift, including the steps of: a) driving an actuator of a bicycle gearshift to displace a chain of the gearshift in an axial direction...
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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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7201389 |
Vehicle transmission
A vehicle transmission includes a plurality of driven gears comprising a series of concentrically spaced ring gears. Each ring gear of the plurality of driven ring gears has an inner diametrical...
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7159881 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift to allow compensation for misalignments between the chain of a bicycle gearshift and one or more sprockets of the gearshift, the...
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7144027 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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7004487 |
Continuously variable transmission for bicycles
A continuously variable transmission for bicycles having a transmission mechanism including a plurality of link units for converting rotary motion of an input shaft rotated by a pedal-operated...
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6988739 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift to allow compensation for misalignments between the chain of a bicycle gearshift and one or more sprockets of the gearshift, the...
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6986520 |
Shaft driven bicycle and transmission therefor
A two-wheel drive bicycle includes a main frame having a steering head, a seat tube, a cross bar and a hollow downtube. A main drive mechanism includes a housing, a driving spindle, at least one...
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6899402 |
Combination of crank and axle in bottom bracket
A crank includes a through hole defined in a first end thereof for receiving one of two ends of an axle in the bottom bracket, and a threaded hole defined in a second end of the crank so as to be...
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6895834 |
Adjustable crank for bicycles
A crank arm of a bicycle having an effective crank arm length that can be selectively adjusted for increasing the comfort and performance of the rider. The crank arm includes a crank arm member...
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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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6840136 |
Pedal drive mechanism
A pedal drive mechanism that provides continuous, uninterrupted torque to the drive chain or belt. The continuous torque effect is a result of establishing two separate but connectively joined axes...
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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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6827362 |
Shaft driven bicycle and transmission therefor
A two-wheel drive bicycle includes a main frame having a steering head, a seat tube, a cross bar and a hollow downtube. A main drive mechanism includes a housing, a driving spindle, at least one...
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6814365 |
Fitting type chainless transmission and speed adjustment mechanism of bicycle
Fitting type chainless transmission and speed adjustment mechanism of bicycle which can be directly installed on an existent chain transmission bicycle to change the chain transmission bicycle into...
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6767308 |
Method of controlling bicycle assembly
A simplified method is provided for controlling a motor of a bicycle component, especially a power assisting apparatus for a derailleur or a suspension. The method of controlling a motor of a...
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6764088 |
Pedalling machines including scooters and driving mechanisms therefor
This invention relates to a drive mechanism for a scooter or similar vehicle. A pair of opposed rotatable crank arms are mounted to a drive gear on the frame. Each crank arm is attached to a...
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6755431 |
Derailleur system for bicycle
A derailleur system for bicycle is constructed to include an annular plate holding at least two gears, a bracket assembly rotated to a center hole of the annular plate to hold a transmission shaft,...
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6742797 |
Transformable tricycle and variations
An improved foldable tricycle that extends and transforms to accommodate one, two, or three riders. The tricycle has a front wheel traction with a sprocket secured to the front portion of the front...
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6708998 |
Simplified pedal-to-crank mounting assembly cycle
In a wheeled cycle, including a bicycle, having an opposing pair of cranks with pedals for engagement by the feet of a rider for manual propulsion, a tool-free pedal-to-crank mounting assembly and...
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6644676 |
Safety device for a front wheel of a vehicle for children
A front wheel for a vehicle for children provides a wheel frame having a slot through which a crank extends. A locking plate is securely mounted to the crank to turn therewith. A switch member is...
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6640662 |
Variable length crank arm assembly
A variable length crank arm assembly ( 10 ) is disclosed which is mounted to a bicycle ( 11 ). The crank arm assembly ( 10 ) has a pair of oppositely disposed crank arms ( 25 ) each having a boss (...
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6612597 |
Tandem bicycle adapter
A tandem adapter frame that attaches to the back of a single-rider bicycle, transforming the bicycle into a tandem bicycle. The rear wheel of the single-rider bicycle is removed from the bicycle...
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6593710 |
Moving apparatus with two connected movable actuating elements for a pair of person extremities
It is an object of the invention to provide a movement device, which makes possible an improved conclusion concerning the cooperation of a person with impaired mobility during training. In a first...
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6557880 |
Multiwheel self propelled variable output vehicle
A multiwheel self propelled variable torque output vehicle has at least one front and one rear wheel with power being supplied to a rear wheel by a pair of reciprocating pedal levers having a...
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6508146 |
Pedal driving mechanism of bicycle
A pedal driving mechanism for a bicycle which contains structurally improved pedal arms on which pedals are installed to increase the rotary radius of the pedals during the running of the bicycle...
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6487932 |
Elastic bicycle crank apparatus
A bicycle crank assembly comprises pedals, crank arms, an axle and a chainring assembly. The pedals, crank arms, and axle are coupled to the chainring assembly through an elastic element in the...
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6478323 |
Transmission device for a chainless bicycle
A chainless transmission device for a bicycle has a front casing, a rear casing, a crank axle and a transmission assembly. The transmission assembly has a transmission shaft, a drive gear, a front...
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6454287 |
Bicycle
This invention relates to a bicycle having a driving force transmitting mechanism with oscillating fulcrum point. A crank lever is connected between a sprocket and the one of pedal levers. When a...
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6446985 |
Two-wheel-drive bicycle
An improved two-wheel-drive bicycle having, in certain preferred forms, a chain-driven front-drive mechanism having a gearing arrangement attached to the fork assembly, whereby the gear...
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6443033 |
Two-piece bicycle crankset
A crankset for a bicycle in which the crankshaft separates into two pieces. The separation point is approximately midway between the support bearings for the crankshaft, creating two...
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6419255 |
Driving structure between front and rear wheels of a vehicle
A driving structure between front and rear wheels has two gear disks with wheel hub sleeves, pushing rolls and axle cores are inserted at the centers of the gear disks. Arresting members with...
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6419254 |
Vehicle with common wheel for steering and propulsion
Two or three-wheeled vehicle which comprises a frame, a drive system connected to the frame and provided with a motor or a pedal system, and a handlebar mounted pivotally in the frame for at least...
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