Abstract: A rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. Additionally, the seat tube and rear suspension system are configured so that the rear wheel and rear suspension will not contact the seat tube, seat, or bicycle rider even when the rear suspension system is in a fully compressed, forward position.

Abstract: A bicycle frame includes substantially rigid front and rear triangles that are pivotally connected to one another by a pair of pivoting linkages.

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: The invention relates to suspension systems comprising, in certain embodiments, a pivoting means concentric to a wheel rotation axis so that braking forces can be controlled by placement of an instant force center, and so that acceleration forces can be controlled by a swinging wheel link.

Abstract: A bicycle rear suspension system includes a front part including a top tube, a down tube, a head tube and a seat tube. A rear part of the bicycle rear suspension system includes two seat stays and two chain stays. The seat stays have first ends pivotally connected to the dropouts on the first ends of the chain stays and two second ends pivotally connected to a first end of a connection member at a first pivot point. Two second ends of the chain stays are pivotally connected to a bridge between the down tube and the seat tube. A second end of the connection member is pivotally connected to the top tube. A cylinder has a first end pivotally connected to the bridge and a second end pivotally connected to a mediate portion of the connection member at a second pivot point.

Abstract: A Rear Wheel Suspension Unit for a folding bike comprising a Rear wheel mounting member pivotally connected to a chassis member and a seat tube/bottom bracket member, through the upper and lower linkage thereby forming a pivoting linkage system and a shock absorber is fitted to upper linkage and the lower fixed bracket to form a fully working rear suspension unit. Further, the unit is designed to be sold as an after market rear suspension for a Folding bike and which can be fitted at the time of purchase or at any time after the purchase.

Abstract: This application relates to rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. The seat tube orientation ensures that the seat is movable between optimum biomechanical positions for both uphill pedaling and aggressive downhill freeriding.

Abstract: A motorcycle includes a swing arm swingably provided on a body frame, a wheel rotatably provided at an end part of the swing arm, a disk plate attached to the wheel, a caliper bracket provided on the body frame side of the vehicle, a disk brake caliper provided on the caliper bracket, and a wheel speed sensor attached to the caliper bracket. The wheel speed sensor is disposed between the swing arm and the wheel. The wheel speed sensor and the swing arm overlap one other in a side view of the vehicle.

Abstract: A shock absorber is provided having an exterior that looks like a two-piece structure formed with an outer tube and a separate bracket without using the separate bracket. Also provided is a straddle type vehicle having a shock absorber and a manufacturing method for the shock absorber. The shock absorber comprises a cylindrical outer tube, wherein the outer tube includes a first cylindrical part, and a second cylindrical part having an outer surface roughness greater than the outer surface roughness of the first part. The first part and the second part are adjacent each other in a longitudinal direction of the outer tube, and the second part has an equipment attaching section adapted for attaching a piece of equipment.

Abstract: A motorcycle suspension apparatus and method is provided. In one embodiment, a motorcycle suspension assembly includes a shaft and at least two asymmetric bushings, with each bushing comprising an inner element and an outer element, with the outer element and inner elements constructed of different materials. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the subject matter of the disclosure contained herein. This Abstract is submitted with the explicit understanding that it will not be used to interpret or to limit the scope or the meaning of the claims.

Abstract: A bicycle assembly can have a main frame, a sub-frame, a main shock section, an extension section, and a fastener. The sub-frame can move in relation to the main frame and the main shock section can be used to regulate that relationship. The extension section can have a receiving portion, wherein an end of the main shock section can fit into the receiving portion. The fastener can be used to secure the main shock section within the receiving portion of the extension section.

Abstract: A movement damping apparatus has magnetorheological fluid that is pressed through a flow path forming a bottleneck in order to dampen a movement. The flow path is divided into at least two flow tracks by a partition that forms an additional friction surface.

Abstract: A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. The mainframe can comprise a series of tubes including a head tube, a top tube, a bottom tube and a seat tube. The shock can connect to the main frame at a gusset connected to the top tube and the bottom tube.

Abstract: A straddle type all terrain vehicle is provided with a chain guide for covering an outer peripheral edge of at least an engaged portion of a driven sprocket with a drive chain from outside in a radial direction inside a chain cover. A rear axle housing is formed with upper and lower flange portions extending upward and downward at opposite end portions in the vehicle width direction of the rear axle housing. The rear axle housing is coupled to a rear end portion of the rear swing arm for swinging forward and rearward about mounted portions of the upper flange portion. The chain cover is mounted on the swing arm side and the chain guide is mounted on the rear axle housing side, respectively.

Abstract: A suspension system for a bicycle comprising a rear wheel mounting member (4), a chassis member (2), an upper linkage (6) pivotally connected to the rear wheel mounting member and the chassis member at first (P1) and second (P2) pivot points respectively and a lower linkage (8) pivotally connected to the rear wheel mounting member and the chassis member at third (P3) and fourth (P4) pivot points respectively thereby forming a four-bar linkage system, characterised in that the length of the upper linkage (6) between the first and second pivot point and the length of the lower linkage (8) between the third and fourth pivot points are both are greater than the separation between the second and fourth pivot points. An embodiment includes a jockey wheel or idler pulley which provides a tensioned portion of chain which passes through the instant centre of rotation (IC).

Abstract: A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame.

Abstract: A twenty-nine inch wheel bicycle frame includes substantially rigid front and rear triangles that are pivotally connected to one another by a pair of linkages. The frame is designed so that chain tension urges the linkages to pivot in opposite directions, while bumps urge the linkages to pivot in the same direction.

Abstract: A damper for a bicycle having a primary unit and a remote unit that is substantially entirely outside of the primary unit. The primary unit includes a damper tube, a spring chamber, and a piston rod that supports a main piston. The main piston is movable within the damper chamber of the primary unit. The main piston and the damper tube at least partially define a compression chamber. The remote unit comprises a remote fluid chamber, and an inertial valve within the remote unit. The inertial valve is preferably responsive to terrain-induced forces and preferably not responsive to rider-induced forces when the shock absorber is assembled to the bicycle. The shock absorber forms a flow path separated from the piston rod that connects the remote fluid chamber and the compression chamber of the damper tube.

Abstract: A bicycle rear suspension system that includes a main frame and a rear wheel suspension system, the main frame generally is comprised of a seat tube, a down tube, a top tube, and a head tube. The rear wheel suspension system consists of a first linkage member, a rear wheel swingarm, and a second linkage member. The rear wheel suspension system allows for a preferential linear decrease in rate of chainstay lengthening combined with a preferential linear decrease in rate of acceleration anti-squat with the value of 100% anti-squat occurring at the statically weighted sag point.

Abstract: A cycling vehicle is provided in which a first rear wheel is powered exclusively by a bicycle pedal, and a second rear wheel is powered exclusively by an electric motor. The cycling vehicle includes bicycle suspension comprising a seat tube, a paired rear triangle with a connecting member that connects the chain stay and the seat stay, a shock absorber in connection with the seat tube and the connecting member, and a pivot arm in connection with the seat tube and the connecting member.

Abstract: A bicycle frame assembly includes an articulating linkage mounting arrangement that fixedly couples one or more lever arms to a rotatable axle. A preferred embodiment includes at least one lever arm, and preferably a pair of lever arms. The lever arm or arms are fixedly coupled to an axle by a fastener having a fastener axis that is eccentric to, or offset from, the axis of rotation of the axle. Accordingly, relative rotation of the lever arm and axle is prevented such that the axle and lever arm rotate together as a unit.

Abstract: A bicycle comprising a front triangle and a rear wheel having a rear wheel axis, a rear wheel suspension system further comprising a link further comprising a first pivotal axis for connection to said front triangle and a second pivotal axis for connection to a rear wheel swingarm, wherein the distance from said second pivotal axis to a first vertical plane decreases during a first portion of suspension compression and increases during a second portion of suspension compression; and wherein said first vertical plane is defined as a plane which is perpendicular to the ground and offset in the direction of the rear wheel with respect to the first and second pivotal axis. During the first portion of suspension compression and during the second portion of suspension compression the front triangle remains stationary with respect to the first vertical plane.

Abstract: There is described a shock absorber strut for a bicycle, comprising a piston (12), a cylinder (13) and a resilient element (20) positioned within the cylinder. The piston extends out of one end of the cylinder, and the other end of the cylinder is closed by a casing made up of two housing halves. Mounting bushings are integrally formed in the housing halves and on the piston end, respectively, for fixing the shock absorber to a bicycle frame. The piston (12) can be withdrawn from the cylinder (13) by a simple tension, without the use of tools.

Abstract: A saddle-riding type vehicle includes a vehicle body, a pivot frame that supports a swing arm for rear wheel suspension, and a rear master cylinder disposed rearwardly of the pivot frame. A reservoir tank supplies hydraulic fluid to the rear master cylinder, and the reservoir tank is disposed between the pivot frame and the rear master cylinder. A portion of the swing arm, adjacent to the reservoir tank, is configured with a concave recess formed therein extending inwardly towards a longitudinal center line of the vehicle body. The reservoir tank is situated closer to a vehicle body inner side, and is deeper in the recess than the rear master cylinder.

Abstract: A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame.

Abstract: A bicycle assembly can have a main frame, a sub-frame, a main shock section, an extension section, and a fastener. The sub-frame can move in relation to the main frame and the main shock section can be used to regulate that relationship. The extension section can have a receiving portion, wherein an end of the main shock section can fit into the receiving portion. The fastener can be used to secure the main shock section within the receiving portion of the extension section.

Abstract: A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame.

Abstract: A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. The mainframe can comprise a series of tubes including a head tube, a top tube, a bottom tube and a seat tube. The shock can connect to the main frame at a gusset connected to the top tube and the bottom tube.

Abstract: A suspension system for use with a motorcycle includes a device for producing a supply of pressurized air. The suspension system is operably disposed between a frame member and a swing arm of the motorcycle. The suspension system comprises a double-acting pneumatic cylinder.

Abstract: A rear fork for a bicycle, including a brake caliper support, mounted in rotation about the axle of the rear wheel and a hub carrier, fixed to the wheel axle, including a lower arm connected at a first end to the hub carrier and at a second end to the frame of the bicycle, and an upper arm, extending from the hub carrier to the frame. A connector link is arranged between the brake caliper and the lower arm, and the distance between the point of connection of the connector link on the lower arm and the connection of the lower arm to the hub carrier is at least equal to a third of the distance between the connection of the lower arm to the hub carrier and the connection of the lower arm to the frame.

Abstract: A bicycle frame assembly having a number of rotatable members configured to absorb shocks and impacts associated with operation of the bicycle. The assembly includes a frame constructed to support a rider and a chain stay having a rearward end that extends toward a wheel hub and a forward end that is pivotably connected to the frame. An absorber is pivotably connected to the forward end of the chain stay and extends to a rocker arm that is pivotably connected to the frame. A seat stay is pivotably connected to a rearward end of the rocker arm and extends to the rearward end of the chain stay. The rearward ends of the seat stay and the chain stay are pivotably connected to rotate about a common axis.

Abstract: A wheel suspension system having under powered acceleration a squat response that begins in the realm of anti squat and passes through a point of lessened anti squat at a further point in the travel.

Abstract: A rear wheel suspension system for a two-wheeled vehicle is provided. The suspension system includes a rear frame pivotally connected to a main frame by at least an upper linkage and a lower linkage. The linkages are positioned such that the pivotal connection between the rear frame and the lower linkage is forward of the pivotal connection between the main frame and the lower linkage. Further, the rear wheel suspension system includes a biasing member such as a spring or shock absorber which allows the suspension to absorb impacts resulting from obstacles or irregularities in the surface of a terrain.

Abstract: A bicycle with a common point shock absorber comprises a bicycle frame and a shock absorber. The bicycle frame comprises a front frame and a rear frame, an upper linkage device and a lower linkage device connected pivotally to the front frame and the rear frame. The shock absorber is mounted in the bicycle frame and comprises a first connecting member connected pivotally to the upper linkage device, and a second connecting member connected pivotally and coaxially to the lower linkage device and the front frame. Thus, assembling the component and the assembly process can be simplified. Convenience for component assembly and repair has been improved. Manufacturing costs are reduced.

Abstract: A bicycle may include a rear suspension system to absorb forces impacting on the bicycle by allowing a rear wheel of the bicycle to be displaced relative to the bicycle frame. Upon displacement of the rear wheel, the rear suspension system allows the rear wheel to move from a general first position to a second position, and then acts to return the rear wheel to the general first position. The rear suspension system may be adjusted in some versions to affect the travel path of the rear wheel as well as the leverage ratio curve to suit the rider's preference. The bicycle may include a rear frame couple with a front frame through first and second pivot translating assemblies, the orientations and/or shapes of which affect the rear wheel path as well as the leverage ratios.

Abstract: A suspension system for a motorcycle, comprising a motorcycle main frame, a swing arm pivotally mounted to the motorcycle main frame about a pivot axis, and an air-bag suspension system. The air-bag suspension system includes at least one air-bag constructed of an elastomeric material. The air-bag is housed within a housing assembly and is secured at one end to a piston located within the housing assembly and at its other end to an upper plate or end cap of the housing assembly. The housing assembly is attached to a shock absorber, and the shock absorber is attached at its forward end to the cross member plate of the motorcycle main frame and is pivotally attached at its rearward end to the lower transverse cross member of the swing arm.

Abstract: The present invention is a bicycle including a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system includes a rear wheel swingarm and a shock absorber that is engaged to the swingarm to control the motion of a rear wheel of the bicycle. A change in the vertical wheel travel (?VWT) of the rear wheel is related to a change in the length of the shock absorber (?SL), providing a shock rate (SR) according to the relationship: SR=?SL/?VWT. The shock rate (SR) changes throughout the vertical wheel travel of the rear wheel, such that the change in the shock rate dSR/dVWT has a change in sign as the rear wheel travels through its vertical wheel travel. The shock rate may at first decrease in value and subsequently increase, or initially increase in value and subsequently decrease throughout the vertical wheel travel of the rear wheel.

Abstract: A bicycle wheel dropout assembly that includes a split component axle mount assembly. An inboard and an outboard component of the axle mount assembly cooperate with overlapping portions of a respective seat stay and chain stay and are rotatably engaged therewith. An axle passes between adjacent mount assemblies and is offset with respect to an axis of rotation of the respective mount assemblies. The axle mount assemblies secure the overlapping portions of the seat stay and the chain stay relative to one another and support the axle in a manner that is convenient for drive train maintenance and/or servicing.

Abstract: An assembly for a motorized vehicle is disclosed which includes a frame, a power source mounted to the frame, and a transmission connected to the power source. The assembly also includes a swing arm attached to the frame at a pivot point located between the power source and the transmission. The swing arm enables a rear wheel of the vehicle to move vertically relative to the frame. The assembly can also include a suspension system for cushioning the ride of the motorized vehicle and a safety mechanism which has to be manually activated before the vehicle can vertically move from a first, riding position to a second, parked position.

Abstract: A chain adjustment apparatus for a motorcycle includes a substantially C-shaped adjustment recess formed in an end piece member attached to a rear end portion of a rear fork. An adjustment member is slidably fitted in the adjustment recess. The adjustment member includes a projecting member having a substantially V-shaped projecting slope, and a recessed member having a substantially V-shaped recessed slope. The projecting member fits in the recessed member. When a wheel axle is passed through the adjustment member and the end piece member, the projecting member is brought into wedged engagement with the recessed member by axial force on the wheel axle, and upper and lower split bodies of the recessed member are moved, and pressed onto upper and lower face walls of the end piece member for increasing a coupling rigidity of the adjustment member with the end piece member.

Abstract: Embodiments of the present invention comprise a lightweight front wheel drive recumbent road bicycle and an associated frame. A front triangle is provided to which the drive train of a standard road group can be attached and utilized. A telescoping tube assembly is provided in the front triangle to permit the distance of a bottom bracket and crankset from a seat pan to be adjusted for riders of different sizes. The handlebar is coupled to an end of the telescoping tube assembly and no traditional handlebar stem attached to a steering tube is utilized, so that the structure provides maximum stiffness to better capture the input of the arms and upper body when maximum power is required. The seat pan and a seat back are integrated with the main frame truss structure to help ensure the maximum transfer of the rider's energy to the drive train.

Abstract: A bicycle may include a rear suspension system to absorb forces impacting on the bicycle by allowing a rear wheel of the bicycle to be displaced relative to the bicycle frame. Upon displacement of the rear wheel, the rear suspension system allows the rear wheel to move from a general first position to a second position, and then acts to return the rear wheel to the general first position. The rear suspension system may be adjusted in some versions to affect the travel path of the rear wheel as well as the leverage ratio curve to suit the rider's preference. The bicycle may include a rear frame coupled with a front frame through first and second pivot translating assemblies, the orientations and/or shapes of which affect the rear wheel path as well as the leverage ratios.

Abstract: The invention relates to suspension systems comprising, in certain embodiments, a pivoting means concentric to a wheel rotation axis so that braking forces can be controlled by placement of an instant force center, and so that acceleration forces can be controlled by a swinging wheel link.

Abstract: A rear wheel suspension for bicycles has a link connecting the chainstay, or swingarm, to the lower damper or shock absorber mount. This link allows the requirements of the rider to manipulate the suspension and geometry available for various conditions. In this way, the suspension characteristics, such as spring rate, rising rate, and wheel travel, will automatically change in accordance with the rider's needs.

Abstract: The invention relates to suspension systems comprising, in certain embodiments, a linkage arrangement including a shock link, wheel link, rate link, and first shock pivot, positioned so that a first shock pivot is moved in a downward and rearward direction as the suspension is compressed, while said wheel link and shock link rotate in opposite directions, and so that a leverage ratio is tactically controlled through said linkage arrangement.

Abstract: A bicycle comprises a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system comprises a rear wheel swingarm and a shock absorber that is coupled to the swingarm. A change in vertical wheel travel (?VWT) of the rear wheel is related to a change in the length of the shock absorber (?SL), providing a shock rate (SR). The shock rate (SR) changes throughout the vertical wheel travel of the rear wheel, such that the change in the shock rate dSR/dVWT has a change in sign as the rear wheel travels through its vertical wheel travel. In each case, the rate of change of the shock includes a change in sign, from positive to negative or from negative to positive. In some embodiments, the swingarm may be attached to the frame at a single pivot point or through a linkage system.

Abstract: A bicycle derailer assembly that is mounted concentrically with an axle of a rear wheel assembly. The derailer is constructed to be mounted to the bicycle such that the derailer is pivotable about a common axis with the rear wheel and such that the rear wheel can be removed from the bicycle without interfering with the connection of the derailer to the bicycle. The derailer system provides a derailer that is robust and reduces interference of the derailer with the performance of bicycle maintenance.

Abstract: A cap member of a swing arm for a rear wheel of a vehicle can be structured to provide an excellent outer appearance to the swing arm and to increase strength and be made thinner. The cap member to be attached to a rear end of the swing arm supporting the rear wheel of the vehicle is formed with a rounded outer surface shape which is approximately continuously connected to an outer surface shape of the swing arm.

Abstract: An innovated rear suspension system for mountain bikes that includes five structural tubes—a force channeling tube, a front stabilizing tube, a rear stabilizing tube, a top tube, and a seat tube—connected to form an irregular polygon; reinforced with gussets, a torque conversion device pivotally connected to a compression strut, a shock-absorbing element and the force channeling tube, which transfers force or shock from the compression strut to the shock-absorbing element. The shock-absorbing element pivotally connected at the front to a pair of shock mounts attached to the force channeling tube absorbs and compresses force from the torque conversion device and transfers the force to the force channeling tube. The upward and forward direction of the force channeling tube guides the force along the force channeling tube propelling the bicycle and the rider forward, reducing jacking and efficiently utilizing pedal forces.

Abstract: A bicycle shock absorber and methods for differentiating between rider-induced forces and terrain-induced forces includes a first fluid chamber having fluid contained therein, a piston for compressing the fluid within the fluid chamber, a second fluid chamber coupled to the first fluid chamber by a fluid communication hose, and an inertial valve disposed within the second fluid chamber. The inertial valve opens in response to terrain-induced forces and provides communication of fluid compressed by the piston from the first fluid chamber to the second fluid chamber. The inertial valve does not open in response to rider-induced forces.