Abstract: The present invention relates to a folding bicycle assisted by an electric motor, comprising a frame with a down tube (4) with a back end with a seat tube (7) and a front end with a steering tube (10) housing a stem (9) connected in the upper zone to a handlebar (101) and in the lower zone to a front fork (11), a back fork (2) coupled to the back end of the down tube (4), a folding mechanism which allows folding the bicycle (1) about an articulating pin (12) to at least one folded position, and a locking mechanism for keeping the bicycle in said folded position.

Abstract: An air bladder suspension. The air bladder suspension of the present invention may be used with a vehicle wheel and a tricycle add-on wheel. The air bladder suspension may include a cantilever or seesaw type configuration and absorb shock when the tire of the wheel hits a ripple or bump on a road.

Abstract: A stabilizing device for a handcycle has an axle including an inner shaft and an outer shaft. A first stabilizing component is coupled to the inner shaft. A second stabilizing component is coupled to the outer shaft in proximity to the first stabilizing component. A locking component is configured to engage the first and second stabilizing components to reversibly reduce rotation of the inner shaft with respect to the outer shaft. Alternatively, a stabilizing device for a handcycle has a frame including first and second stabilizing members affixed to the frame. A locking member is configured to engage the first and second stabilizing members to stabilize the frame. The stabilizing components or members include receptacles, teeth, or a friction component. The locking component or member includes a pin or knob configured to adjust the first or second stabilizing member into a locked position.

Abstract: A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body.

Abstract: A vehicle body frame of a motorcycle includes a head pipe, a pair of main frame sections extending rearwardly from the head pipe, a pair of pivot plates joined to end portions of the main frame sections, and a crossmember arranged between the pivot plates. In such vehicle body frame, the crossmember is arranged between upper end portions of the pivot plates such that the upper end portions of the pivot plates are sandwiched between the crossmember and rear end portions of main frame sections so that at least a portion of the crossmember overlaps a joint portion between the main frame sections and the pivot plates as viewed in a side view. Such structure of the vehicle body frame ensures the rigidity of connecting portions where the crossmember is connected to pivot plates without making the vehicle body frame heavy and thick.

Abstract: A frame structure for a saddle-ride type vehicle includes a body frame having a head pipe, down tubes, seat rails and upper tubes and a unit swing power unit swingably supported by the body frame. The seat rails have front ends joined to downwardly extending portions of the down tubes. The down tube has a second bending portion formed at the rear end of the horizontal extending portion and an obliquely upwardly extending portion extending rearwardly and upwardly at a position behind the second bending portion. The obliquely upwardly extending portion has a rear end joined to the seat rail. The power unit support portion is formed behind the bending portion.

Abstract: A stabilizing device for a handcycle has an axle including an inner shaft and an outer shaft. A first stabilizing component is coupled to the inner shaft. A second stabilizing component is coupled to the outer shaft in proximity to the first stabilizing component. A locking component is configured to engage the first and second stabilizing components to reversibly reduce rotation of the inner shaft with respect to the outer shaft. Alternatively, a stabilizing device for a handcycle has a frame including first and second stabilizing members affixed to the frame. A locking member is configured to engage the first and second stabilizing members to stabilize the frame. The stabilizing components or members include receptacles, teeth, or a friction component. The locking component or member includes a pin or knob configured to adjust the first or second stabilizing member into a locked position.

Abstract: A carbon fiber rim comprises a circular rim and a heat conduction layer. The circular rim comprises carbon fiber composites, and has two opposite side surfaces facing two brake pads and two opposite hooks extending outward radially to hold tires. The heat conduction layer is arranged on the side surface of the circular rim for forming a braking region facing the brake pad. The heat conduction layer comprises a porous or mesh heat conduction material. A bicycle including the aforementioned carbon fiber rim and the manufacturing method of the carbon fiber rim are also disclosed here. The carbon fiber rim can prevent distortion due to frictional heat when braking.

Abstract: A body frame of a straddle-type vehicle is provided with a first cross tube 21 for interconnecting left and right main frames 13 in a right-left direction, and a second cross tube 22 disposed rearwards of the first cross tube 21 and for interconnecting the of left and right main frames 13. A shock absorber mounting portion 23 is mounted so as to interconnect the first cross tube 21 and the second cross tube 22. An extension/contraction axis L1 of a shock absorber 41 and a line L2 passing through an axis of the first cross tube 21 and an axis of the second cross tubes 22 are offset in a side view of a vehicle in a right-left direction.

Abstract: A conveyance such as a wheelchair that includes a seat assembly and a chassis. The chassis comprises a central frame member disposed substantially along the centerline of the wheelchair. The central frame member includes portions for connecting to or supporting one or more front casters, a seat assembly, one or more drive wheel assemblies, an energy source (e.g., one or more batteries), rear anti-tip wheels, and/or at least one footplate. The central frame member is disposed substantially along the centerline of the wheelchair and structurally distributes of the weight of the seat assembly (and optionally the weight of the energy source) to the supporting drive wheels and casters. In this manner, a clean-looking, simple, and lightweight chassis structure is provided for a conveyance.

Abstract: A bicycle including a frame that has an elongated hollow frame member, a fork rotationally coupled to the frame, a wheel rotationally coupled to the fork, and a handlebar coupled to the fork for steering the wheel. The frame has an interior surface that defines a longitudinal groove with a groove width. The bicycle also includes a cable that is positioned in the longitudinal groove and that has a cable width less than the groove width.

Abstract: A bicycle including front and rear wheels, a main frame that has a mounting bracket, and a front fork that connects the main frame to the front wheel. The bicycle also includes a rear sub-frame that connects the main frame to the rear wheel and that is movable relative to the main frame, and a shock that is positioned to dampen movement between the main frame and the sub-frame. The shock has a front mount that is secured to the mounting bracket and that defines a space between the front mount and the main frame, and a bicycle accessory is positioned in the space.

Abstract: A saddle type vehicle includes a head pipe that steerably supports a steering system including a front wheel, a main frame extending rearwardly downward from the head pipe, left and right lower frames extending substantially in parallel to each other rearward from a lower portion of the main frame, and a storage space provided between the left and right lower frames on the rear side of the main frame. The storage space permits a fuel tank as a vehicle component part to be disposed therein. A front cross frame is connected to a lower end portion of a main frame lower portion and extends in the vehicle width direction. Front end portions of the lower frames are connected to left and right end portions of the front cross frame.

Abstract: A two-wheeled vehicle includes a frame, a plurality of ground-engaging members for supporting the frame, and an engine supported by the frame and operably coupled to the ground-engaging members. Additionally, the two-wheeled vehicle includes a windshield assembly operably coupled to the frame and an adjustment member operably coupled to the windshield assembly. A vehicle control unit is operably coupled to the adjustment member and is configured to automatically actuate the adjustment member for adjusting the position of the windshield assembly.

Abstract: A bicycle frame assembly having a number of elongate tubes that are connected to define a shape of the bicycle frame. The assembly includes a passage that is defined by the elongate member, a partition, and a bridge. The partition isolates the passage from an interior volume of the elongate tube. The bridge extends in a direction normal to an elongate direction of the passage and defines an inlet and an outlet of the passage. The inlet, outlet, and bridge are generally flush with an exterior surface of the elongate tube and provide a passage that cooperates with a flexible connector, such as a cable tie, for securing supplemental structures, such as brake and shift control cables, to the elongate tube of the bicycle frame assembly.

Abstract: A bicycle frame including a head tube and a bottom bracket adapted to support a crankset. The frame also includes a tubular frame member that is coupled to the head tube and that has a concave section disposed on an underside of the frame member and spaced from the head tube.

Abstract: An independent shaft driven front wheel drive transmission (20) powers the front wheel of a velocipede by rotating a pair of coextensive handles (23 L R). Standard foot pedals power a rear shaft drive assembly (17) or a standard chain drive (FIG. 9). Forward rotation of the handles sets in motion the shaft driver assembly (10). The drive shaft (35) rotates and transfers energy to the multi-geared front hub assembly (14) that drives the front wheel forward. Triple tree brackets (73), position and support the front forks and steer tube. The steer tube (24) in combination with the triple tree brackets attaches the front wheel shaft drive system to the head tube of the velocipede. The modified front fork tube (53 R) houses the drive shaft (35) and bearings, (56 a b). The fork tube also has an attached modified drop out (77) that has clearance for rotatable bottom gear (51).

Abstract: An aerodynamically shaped seat post fabricated from carbon fiber is mountable to a seat tube by placing left and right bushings within the hollow center of the seat post. These bushings are accessible and engageable to left and right bolts when the desired height of the seat post is reached. In particular, the left and right bolts are fed through left and right holes formed in the seat tube. The seat post has left and right elongate slots which provide access to the bushings, and more particularly, to the threaded holes of the bushings so that the left and right bolts may engage those threaded holes and clamp the left and right sidewalls of the seat post and the left and right sidewalls of the seat tube together, respectively. This seat post mount eliminates stress concentrations to the seat post. Moreover, the seat post is not clamped down with opposed forces placed on the left and right sidewalls of the seat post.

Abstract: A frame for a bicycle that has a fork and a handlebar. The frame includes a head tube, a bottom bracket adapted to support a crankset, and a down tube coupled between the head tube and the bottom bracket. The frame also has a fork bumper that is coupled to and is disposed on an underside of the down tube. The fork bumper extends outward from the down tube and includes a base and a resilient outer layer engageable by the fork to prevent contact between the down tube and the fork.

Abstract: A vehicle body frame includes a left frame member, a right frame member, a cross member, and a first patch member. The cross member is fitted in both of a left connecting hole and a right connecting hole and welded to the left frame member and the right frame member. The cross member includes a pipe member having a hollow portion which has a first end, and a second end opposite to the first end along the hollow portion. The first patch member is fitted in the first end of the hollow portion and welded to an inner peripheral face of the hollow portion such that a weld bead is provided within a range of a first welding margin provided in the first end of the hollow portion. The first welding margin is provided on the inner peripheral face of the hollow portion.

Abstract: A bicycle having a first tube with a first tube portion and a first weld portion. The first tube portion has a first tube portion thickness and the first weld portion has a first weld portion thickness. The first weld portion has a first mating surface. A second tube having a second tube portion and a second weld portion. The second tube portion has a second tube portion thickness and the second weld portion has a second weld portion thickness. The second weld portion has a second mating surface. The first mating surface is positioned adjacent to the second mating surface, forming a weld interface between the first tube and the second tube. A weld bead formed along the weld interface coupling the first weld portion and the second weld portion.

Abstract: The present invention relates to a universal frame for electric bikes and human powered bicycles, the frame body of the universal frame is consisted of a top tube, a down tube, a seat tube, two seat stays and two chain stays, wherein a holder is welded on the junction of the down tube, the seat tube and the chain stays, the holder is used to fasten on a bottom bracket shell with different specifications according to usage requirements. By the composition of the above elements, the present invention may be provided to assemble the main-shaft-chain wheel set of electric bikes or human powered bicycles, to thereby simplify the process, reduce the amount of inventories and achieve the convenience of universal interchangeability.

Abstract: A vehicle body frame of a motorcycle comprises a front frame portion extending rearward from a head pipe; and a rear frame portion extending downward or rearward from a rear end of the front frame portion. The front frame portion includes at least a pair of right and left frame members. A forward portion of the rear frame portion is a lumbar frame having a closed cross-section structure portion in which a pair of right and left steel plates and are joined together. Devices such as a canister, and an ABS unit, are easily mounted in spaces lateral relative to the lumbar frame having a reduced width, while ensuring a sufficient stiffness.

Abstract: The present invention relates to a universal frame for electric bikes and human powered bicycles, the frame body of the universal frame is consisted of a top tube, a down tube, a seat tube, two seat stays and two chain stays, wherein a holder is welded on the junction of the down tube, the seat tube and the chain stays, the holder is used to fasten on a bottom bracket shell with different specifications according to usage requirements. By the composition of the above elements, the present invention may be provided to assemble the main-shaft-chain wheel set of electric bikes or human powered bicycles, to thereby simplify the process, reduce the amount of inventories and achieve the convenience of universal interchangeability.

Abstract: An unmotorized sand-rideable bicycle utilizes oversized balloon tires that have an enlarged footprint to permit the bicycle to ride up over even loose sand to provide ease of pedaling as well as enhanced steering and stability over that associated with standard bicycles.

Abstract: A head pipe includes a pipe portion and a bracket portion contiguously formed on a rear portion of the pipe portion wherein front end portions of the main frames and a front end portion of the down frame are jointed to the bracket portion. A widthwise center line of the main frames in the vertical direction is directed toward an intermediate portion of the pipe portion in the vertical direction in a side view. An upper surface extension line and a lower surface extension line on the extension in the frontward direction of an upper surface and a lower surface of the main frames pass between an upper end and a lower end of the pipe portion as viewed in a side view. The down frame is inclined to be directed towards the intermediate portion of the pipe portion in the vertical direction as viewed in a side view.

Abstract: A sub-frame and component configuration for mounting on a motorcycle include a body frame structure including a main frame portion; and a sub-frame portion, he sub-frame is fixedly secured to the main frame portion and is configured for receiving and securing thereon a drop seat providing a rider with a seating area that is relatively closer to the ground than the seating area of a conventional motorcycle seat. A method of mounting the sub-frame on a motorcycle includes: fixedly securing a drop seat sub-frame portion onto a main frame portion, wherein the drop seat sub-frame portion is configured for receiving and securing thereon a drop seat.

Abstract: A rear portion structure for a saddle vehicle includes a wide accommodation space for accommodating parts therein while improving the foot grounding property of a rider. A rear fender of a motorcycle has a bottom wall disposed on the inner side of a rear frame in the vehicle widthwise direction, and left and right side walls extending upwardly from the bottom wall. An accommodation space for accommodating a part therein is formed from the bottom wall and the left and right side walls. Left and right first bending portions which individually extend in a longitudinal direction of the vehicle and at which the left and right side walls can individually be bent with respect to the bottom wall are formed between the bottom wall and the left and right side walls. The left and right side walls are inclined inwardly and upwardly along the inner side of the rear frame.

Abstract: A bicycle frame with removable dropouts includes a bicycle frame having a left seat stay and a left chain stay joined at a left junction, and a right seat stay and a right chain stay joined at a right junction. A left dropout is removably connected to the bicycle frame at the left junction, the left dropout including a body defining an opening for receiving a rear wheel. A right dropout is removably connected to the bicycle frame at the right junction, the right dropout including a body defining an opening for receiving the rear wheel.

Abstract: A hydraulic brake device includes a carrier body. The carrier body is integrally molded. The carrier body has at least one assembling portion disposed thereon for assembling purpose. The carrier body has at least one connecting portion respectively extending from the at least one assembling portion. At least one hydraulic brake assembly movably is mounted on the at least one connecting portion of the carrier body. The carrier body with the at least one brake assembly are adapted to assemble with a bicycle for providing a stable assembling effect, a high structural strength, and lightweight effect.

Abstract: A bicycle 10 providing increased power transfer and improved aerodynamic characteristics. The bicycle includes a seat assembly 70 that supports the anterior pelvic region so the rider extends forwardly over the bicycle instead of in an upright position. The bicycle also includes a rear mounted drive assembly 80 to increase the power transfer from the rider.

Abstract: A bicycle frame includes a seat tube, two chain stays and a down tube connected to the seat tube. A seat post is inserted into the seat tube and has a seat connected thereto. The chain stays is connected to a rear wheel and a head tube is connected to the down tube. A front fork is connected to the head tube. A tubular body is connected to the bicycle frame and the wall of the tubular body has a first slot. The seat tube is connected to a slide which is connected to the wall of the tubular body. A pin extends through the slide and the first slot. A first securing member and a second securing member are connected to two ends of the pin. The first and second securing members connect the wall of the tubular body to the slide.

Abstract: The invention relates to an apparatus and method for extracting vibration data from a moving drive chain. In the preferred embodiment, the chain is that of a bicycle, or similar pedaled machine such as an indoor stationery bicycle, with two or more sensors placed on the chainstay of the bicycle to measure the vibrational frequency of the chain. Such vibration data can be used to determine the tension of the chain, and may also further compute the power transmitted by the chain, in conjunction with the measurement of chain speed. The invention provides a method and apparatus for conditioning and filtering the signals from the vibration sensors, as well as an arrangement for positioning the sensors on the bicycle.

Abstract: The teachings provided herein are generally directed to compact vehicle drive mechanisms that can be used in the design of a foldable, carry-on vehicle. The compact drive mechanisms presented herein, for example, have contributed to the advent of the compact, carry-on bicycles set-forth in the teachings which include drive-and-steering units and drive-and-chassis units.

Abstract: A bicycle frame that supports a front wheel and a rear wheel defining a central plane. The bicycle frame includes a head tube, a bottom bracket configured to support a crank assembly, and a bicycle frame portion. The bicycle frame portion includes a leading edge and a trailing edge oriented such that a chord line between the leading edge and the trailing edge defines an angle of incidence greater than zero degrees relative to the central plane.

Abstract: The invention relates to a passage system for transmission elements for controlling bicycle components. In order to provide larger passages through a frame tube, a passage system for transmission elements of bicycle components is proposed, with a bicycle frame with a tube construction of frame tubes, a passage for transmission elements, and at least one transmission element. At least one frame tube has in its lateral surface a first opening and a second opening, which lie opposite each other. The first opening has a first edge region and the second opening has a second edge region, which are formed with a statically effective reinforcement. A passage opening of the passage for transmission elements is formed between the first and the second opening, wherein the transmission element is arranged leading through the passage opening.

Abstract: A wheelchair includes a frame and first and second rear wheels that are each independently mounted to the frame via a respective mounting hub. Each rear wheel is detachably mounted to its respective mounting hub at two or more distinct hub mounting points. Either or both of the hub mounting points can be movable with respect to a remainder of the hub. A disk can be positioned at the rear wheel and a stop element located at the mounting hub can be selectively operated to interfere with the disk to prevent rotation of that rear wheel. Each rear wheel may include a push-rim having an elastomeric outer layer to facilitate manual gripping and an externally facing generally flat side face. The frame can include first and second spaced apart and unitary tubes which each extend in an unbroken manner from a wheelchair seat to a wheelchair forward region.

Abstract: A brake system is disclosed. The brake system includes a front brake mechanism, a rear brake mechanism, a front brake wire, a rear brake wire, a link, a support, and an interlocking brake wire. The link is rotatable around a fulcrum on one end thereof as measured in a longitudinal direction thereof. The support elastically supports the link at the fulcrum. The interlocking brake wire is connected with the link so as to pull the front brake wire and rear brake wire. The front brake wire, the interlocking brake wire, and the rear brake wire are connected with the link in this order, starting from the end of the link with the support, as measured in a longitudinal direction of the link.

Abstract: A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body.

Abstract: A three-wheeled motorized vehicle with a reverse trike or tadpole configuration is described. The vehicle includes a rear frame coupled to a single rear wheel and a front frame that is operatively coupled to a pair of front wheels mounted on opposite sides of the front frame. The rear frame is pivotably coupled to the front frame by a first coupling located along a top portion of the front frame and a second coupling located along a bottom portion of the front frame. The first coupling is located forward of the second coupling to provide a negative rake angle. Handlebars affixed to the front frame pivot the front frame, an engine mounted therein, and the front wheels about the first and second couplings. The location of the first and second couplings also causes the rear frame to lean out of a vertical plane when the front frame is pivoted.

Abstract: A bicycle having a hammock-style seat that is configured to allow the user to more comfortably ride the bicycle. The bicycle has front and rear wheel assemblies rotatably supported by a frame, handlebars attached at the forward end of the frame and a pedal crank mechanism. An upwardly disposed post supports a U-shaped rear seat support post having its ends directed toward the forward end of the frame. A front seat support post is attached to a frame member at the forward end of the frame. The hammock-style seat comprises a triangular-shaped support fabric having its base at the rear seat support post and its apex at the front seat support post to extend substantially the full length of the frame. An accessory post supports an umbrella or a board support apparatus, for supporting a surfboard or skateboard, generally above the seating area of seat.

Abstract: A scooter includes a frame having a leading portion and a trailing portion. A front wheel is attached to the leading portion of the frame. The leading portion of a swing arm is pivotally attached to the trailing portion of the frame. A rear wheel is attached to the trailing portion of the swing arm. A rear fender is also attached to the swing arm. A shock absorber is positioned between the swing arm and the frame so that the shock absorber is compressed when the swing arm pivots in a first direction. A downward swing arm stop limits pivoting of the swing arm in a second direction opposite of the first direction.

Abstract: A bicycle including two wheels and a frame supported by the two wheels. The bicycle also includes a bottle cage coupled to the frame, and a storage unit including a first securing portion engaging a support portion of the bottle cage and a second securing portion secured to the frame.

Abstract: A bicycle frame comprising a front triangle and a rear triangle. The front triangle comprises, in turn, the following tubular elements: a seat tube; a top tube; a down tube; and a steering tube. Whereas the rear triangle comprises, in turn, the following tubular elements:—two inclined seat stays and two horizontal chain stays. The frame is characterised in that the elements comprised in the front triangle are manufactured as one single piece, and in that the two chain stays are joined to said front triangle by means of a bushing, which is inserted into a seat, which is obtained in correspondence to a bottom bracket axle.

Abstract: A bicycle frame comprising a first tubular member having a first main portion and a first interface portion (e.g., a rounded taper), and a second tubular member having a second main portion and a second interface portion engaged with the first interface portion to create a joint. The joint includes a peripheral channel defined between the first interface portion and the second interface portion, and a weld is positioned in the peripheral channel. The second interface portion is defined at least partially by a substantially flat face wall. Preferably, the first tubular member includes an open end at the first interface portion, while the flat face wall at the second interface portion is substantially closed. In addition, it is preferred that the face wall lies in a plane that is substantially parallel to a longitudinal axis of the head tube (e.g., within ten degrees of the longitudinal axis).

Abstract: A bicycle seat tube assembly includes an arced component, a bottom bracket positioned below the arced component, and a seat tube including a pivot attachment at a lower end of the seat tube. The arced component includes a lower curved surface with a plurality of holes. The pivot attachment is coupled to the bottom bracket so that the arced component is pivotable relative to the seat tube about the bottom bracket, resulting in multiple seat tube positions between a fully forward position and a fully back position. A locking mechanism is configured to selectively lock the seat tube to the arced component. The locking mechanism includes a lock ring with a plurality of lock pins and a spring that pushes the lock ring towards the arced component. The lock ring and the spring surround the seat tube The lock ring is movable between a locked position and an unlocked position.

Abstract: The present invention provides a bicycle which comprises a bicycle frame, a pair of wheels, a gear assembly, and a bicycle saddle, the bicycle characterized in that: the bicycle saddle has a base and a main body, the main body being disposed on the base and extending to left and right sides along a longitudinal axis between front and rear ends of the bicycle frame. The rider feels comfortable when riding a bicycle of this invention because the rider's crotch area is not in contact with the saddle nor rubs against it. Moreover, a large area of the rider's buttocks can be in contact with the main body of the bicycle saddle, which makes the rider feel comfortable too.

Abstract: The invention relates to a component (1) for a bicycle frame having a wing profile front side portion (2) and a back side portion (3) that is convex at least in certain portions. The invention further relates to a bottle holder (10) which is attachable to the component (1) or is configured in one piece with the component (1).

Abstract: A body frame of a straddle-type vehicle is provided with a first cross tube 21 for interconnecting left and right main frames 13 in a right-left direction, and a second cross tube 22 disposed rearwards of the first cross tube 21 and for interconnecting the of left and right main frames 13. A shock absorber mounting portion 23 is mounted so as to interconnect the first cross tube 21 and the second cross tube 22. An extension/contraction axis L1 of a shock absorber 41 and a line L2 passing through an axis of the first cross tube 21 and an axis of the second cross tubes 22 are offset in a side view of a vehicle in a right-left direction.

Abstract: One embodiment includes a bicycle frame that includes a plurality of square cross-section tubing members, wherein all tubing members are straight, and are consistent in cross-sectional dimensions along their length and wherein each tubing member is cut to length with a straight cut defining a tubing opening formed by an edge that extends along a single plane.