Abstract: A body frame damping structure in a saddle-type vehicle includes a front fork steerably supported at a front end portion of a body frame and a front wheel supported at lower end portions of the front fork. The body frame damping structure also includes a rear arm pivotally supported at a rear portion of the body frame by a pivot support shaft so as to be swingable up and down and a rear wheel supported at a swinging end of the rear arm. Dampers are disposed so as to bridge a first portion of the body frame with a second portion of the body frame, with dampers being respectively coupled to the first and second portions of the body frame.

Abstract: A front fork shock-absorbing damper for use in between an upper front fork tube and a lower front fork tube of a vehicle's front fork for producing a damping effect upon movement of the upper front fork tube relative to the lower front fork tube includes a control rod movable by an external force between a top locking position where the front fork shock-absorbing damper does no work, and a bottom unlocking position where the front fork shock-absorbing damper is functioning.

Abstract: A bicycle including a frame having a main frame portion and an articulating frame portion pivotally mounted to the main frame portion and carrying a rear wheel of the bicycle. A shock absorber preferably is operably connected between the main frame portion and the articulating frame portion. Preferably, the top tube and down tube of the main frame contact one another for a distance extending rearwardly from the head tube of the main frame. In one arrangement, the down tube has a non-circular cross-sectional shape.

Abstract: A bicycle frame (10) having a rear passive suspension system configured to elastically deflect predominantly in a vertical direction under normal cycling loads so as to better isolate the rider from road-surface irregularities and roughness, while simultaneously maintaining or improving rigidity in other directions so as to preserve or improve handling. The frame (10) has a pair of upper chain stays (18) that control the rear wheel motion rigidly in five of the six degrees of freedom with stiffness comparable to existing road, cyclocross, hybrid, city, or hardtail mountain bicycle designs, while simultaneously allowing deflection of the tubular members and a significant amount of vertical movement of the rear wheel for ride compliance in order to improve comfort, handling, and safety.

Abstract: A frame assembly for a two-wheel vehicle includes a front wheel fork and chainstays. Between the front wheel fork and the chainstays, the frame assembly further includes a saddle tube, a crank housing, and a lower tube connecting the crank housing to a steering tube. A parallelogram-shaped suspension assembly is attached to a rear end of the chainstays.

Abstract: The forks of a bicycle are carried by a head tube shaft and are angled forward and comprise two outer support tubes, one on either side of the wheel. An inner suspension tube is telescopically housed in the outer tube and connects to the wheel axle. A suspension spring within the outer tube urges down. A torque reaction arm is journalled on the axle and carries a brake calliper within which passes a brake disc. At the rear end of the arm, a rear link is pivotally connected and leads up to an upper pivot point on the outer tube. Application of braking torque causes the rear link to act upwards on the outer tube, providing anti-dive.

Abstract: In a bicycle frame of the type wherein front and rear portions of the frame are connected together by a flexible spring member, the spring includes at least two laterally spaced, elongated rods extending between opposed mounting blocks in the front and rear portions of the frame, with the ends of the rods being held in the mounting blocks by a clamping mechanism that can be released to permit removal and replacement of the spring members when desired. A replaceable wire management tube is attached to the side of the crossbar of the bike by adhesive tape and extends at least a portion of the length of the crossbar. The bicycle frame can incorporate a folding mechanism that permits the front and rear portions of the bike to be folded together for easy portability of the bike.

Abstract: A rear bicycle suspension has a main frame including a seat riser tube, a down tube, head tube, and a bottom bracket housing having left and right sides, a guide arm and a shock mount attached to the main frame, a pair of swing arm assemblies each one in pivotal attachment on either side of the main frame at a first pivot point and to a bell crank at a second pivot point, the swing arms in rearward extension form the first and second pivot points to at least one rear swing arm attachment point, and further including a lever arm connected between the first and the second pivot points, a guide arm having first and second ends wherein the first end in pivotal attachment to the guide arm bracket at a fifth pivot point and the second end extends upward and rearward from the fifth pivot point, wherein the bell crank is pivotally connected between the lever arms at the second pivot point and to the guide arm at a third pivot point, a shock absorbing member in pivotal attachment at one end to the shock mount and at a

Abstract: A bicycle with a torsional shock absorber comprised of a torsion spring assembly. The elements of the torsion spring assembly include: housing, a shaft positioned within the housing, a rubbery substance positioned between the interior surface of the housing and the outer surface of the shaft, and a damper. The torsional shock absorber is mounted on the bicycle such that shock forces are converted into rotational forces tending to rotate the shaft within the housing. These rotational forces are resisted by the spring force created by the rubbery substance within the torsion spring assembly; thereby absorbing the shock forces. In a preferred embodiment, the rubbery substance is bonded to the interior surface of the housing and the outer surface of the shaft. In a preferred embodiment, the front and rear portions of the bicycle frame pivot about the pedal spindle axis.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A seat post assembly for a bicycle arranged to reduce vibrations that originate at either the front or rear wheel of the bicycle and are transmitted to the rider of the bicycle through the frame. Desirably, the seat post assembly is configured to be supported by a bicycle frame and is configured to support a bicycle seat on its upper end. Preferably, an upper portion of the seat post defines a cavity. A damping member comprised of a vibration damping material is positioned within the cavity. Preferably, the cavity passes completely through the seat post in a lateral direction and the damping member is retained within the cavity by a friction fit therebetween.

Abstract: A two wheeler frame, in particular a bicycle frame including a first frame part having an upper tube and a second frame part having a mounting for a wheel of the two wheeler and which is pivotally linked to the first frame part, whereby the second frame part is resiliently supported against the first frame part via at least one spring element, in which the upper tube, at least in an area of its longitudinal extent, is divided into at least two sections enclosing a building space between them and in that the spring element is disposed in the building space between the sections.

Abstract: A bicycle frame includes a first rigid member with means for mounting a rear wheel and a front wheel assembly thereto. A second rigid member having means for mounting a seat post and pedals thereto is also provided. The second member is not connected directly to the first member but rather is linked by pivotable linkage to the first member. A shock absorber is preferably pivotably located between mounting points on the first and second rigid members. In a preferred embodiment a number of shock absorber mounting points are provided on the first member and first link in order to obtain an optimal shock absorber mounting position.

Abstract: A bicycle comprises a frame (10) a rear wheel (14) and a rear suspension, which comprises a swing arm (17) carrying the wheel and two pivot links (18, 19) spaced from one another in the fore and aft direction of the bicycle and coupling the arm to the frame to form, together with the frame, a four-bar linkage movable between a first end settings in an unloaded state of the suspension and a second end setting in a loaded state of the suspension. The links (18, 19) are each pivotably connected with the frame outwardly of the wheel circumference and are arranged so that on movement of the linkage from the first to the second end setting an instantaneous pivot centre (21) defined by the intersection of two axes (22, 23) each containing the pivot points of a respective one of the links (18, 19) moves downwardly and rearwardly with respect to the fore and aft direction.

Abstract: The invention relates to a bicycle adjusting device, in particular an adjusting device for adjusting the height of the front wheel suspension, the rear wheel suspension, the saddle or of the steering mechanism of a bicycle, e.g. of a mountain bike, a bicycle with at least one bicycle adjustment device, as well as a bicycle-steering head bearing system, whereby the adjustment has at least one double-acting piston-cylinder assembly with a first cylinder space (14a, 34a) and a second cylinder space (15a, 35a) in each case, and whereby the two cylinder spaces of the two adjustment devices are interconnectable by means of a fluid duct fitted for that purpose.

Abstract: A cushion assembly for seat post includes a hollow tube and a seat post is movably inserted in the hollow tube. A resilient member is inserted in the hollow tube and an end of the resilient member contacts the seat post. An adjusting member is adjustably inserted in an open end of the hollow tube and contacts the other end of the resilient member. The resilient member can be adjusted its compression by rotating the adjusting member.

Abstract: A bicycle is equipped with a rear wheel suspension having a swing arm with one or more generally cantilevered side arms, which are capable of withstanding bending and torsional loads and isolating said loads from the rider. A bottom portion of the bicycle frame includes a pedal sleeve. A pedal or crank assembly rotates within the pedal sleeve about a rotational axis with a fixed location relative to the frame. The swing arm is pivotally secured to the frame for movement about the rotational axis. A shock-absorbing element is connected between the swing arm and the frame.

Abstract: A shock absorbing frame assembly for a bicycle includes a coupling mount and a linking unit respectively disposed on the front and rear frame units and respectively having first and second gripping members. The first gripping member has two first jaws walls spaced apart along a first line. The second gripping member has two second jaw walls spaced apart along a second line that is in the same plane with the first line in a normal position. A twistable member includes left and right gripped regions in frictional engagement with the first and second gripping members, and an intermediate segment which is twistable to permit the second gripping member to turn to a strained position when the rear frame unit moves angularly relative to the front frame unit in response to a shock, and to acquire a biasing force to urge the second gripping member to the normal position to thereby counteract the shock.

Abstract: A shock absorbing device is provided to reduce shock that is transmitted to a handlebar of a bicycle, and includes a damping member disposed between a mount and a leg member and having a damping capacity. A driven member is rotatably mounted on the mount and is turned by a twist actuating member which is in synchronized operation with a brake actuating member of the bicycle. A regulating member is disposed to be actuated, in response to the angular movement of the driven member, to vary the damping capacity of the damping member, thereby enhancing the safety and comfort of the rider when the bicycle is braked.

Abstract: A bicycle rear suspension mechanism imparts a forward movement inducing moment about the axis of the rear wheel during the operation of the suspension mechanism. A parabolic swing arm is mounted such that the axis of rotation of the rear wheel is positioned proximate to the vertex, and preferably in alignment with the central axis, of the parabolic shape. A flexor element is formed into the perimeter of the parabolic swing arm at a location below the central axis of the parabolic shape and below and forwardly of the rear wheel axle. A shock absorber can be connected to the upper rocker arm to dampen the operation of the suspension mechanism. The release of stored energy in the flexor element directs a resultant force offset by a moment arm from the axis of rotation of the rear wheel to contribute to the forward momentum of the bicycle.

Abstract: The invention is directed to a shock absorbing wheel suspension apparatus and related method. The preferred wheel suspension includes upper and lower rocker arms pivotably attached to a bicycle frame, rear shockstays pivotably attached to the upper and lower rocker arms, and a shock absorbing element. The preferred configuration of the wheel suspension results in improved performance through the desirable alignment of various force and torque lines over a wide range of loading conditions.

Abstract: A body frame damping structure in a saddle-type vehicle includes a front fork steerably supported at a front end portion of a body frame and a front wheel supported at lower end portions of the front fork. The body frame damping structure also includes a rear arm pivotally supported at a rear portion of the body frame by a pivot support shaft so as to be swingable up and down and a rear wheel supported at a swinging end of the rear arm. Dampers are disposed so as to bridge a first portion of the body frame with a second portion of the body frame, with dampers being respectively coupled to the first and second portions of the body frame.

Abstract: Suspension system for a bicycle has a damper assembly coupled to a first portion of the bicycle relatively movable to a second portion of the bicycle and includes a hydraulic damper made of polyurethane material. The damper assembly has an outer casing from which extends an arm for applying a torque to the damper. The arm may be segmented or include a series of apertures for coupling to the second portion of the cycle so that the effective length of the arm and the torque applied to the damper can be adjusted to suit the rider's requirements. A link couples the arm to the second portion of the bicycle and the link maybe adjustable in length so that the bicycle geometry can be adjusted.

Abstract: An interval between an attachment portion of a rear shock absorber on a side of a swing arm and an attachment portion thereof on a side of a vehicle body can be reduced with the present invention. When the rear shock absorber is attached between the swing arm and the vehicle body side, a new space can be formed at an area surrounding an end portion of the rear shock absorber. One end of the swing arm is swingably attached to a pivotal shaft provided at a power unit. A rear wheel is attached to other end of the swing arm. A side face of a cylinder portion of the rear shock absorber is attached to the swing arm via an attachment member and a lower end of the rear shock absorber is attached to the power unit.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A bicycle includes a frame and a first and a second adjusting device for adjusting a height of front wheel and rear wheel suspensions. The adjusting devices each include at least one double-acting piston/cylinder assembly with a first cylinder chamber and a second cylinder chamber. The two first and the two second cylinder chambers each are connected with one another via an allocated pressurizing medium line. The first and the second cylinder chambers of the first and the second double-acting piston/cylinder assemblies are filled with a gas. The first and second cylinder chambers are separated from one another by a piston having a piston rod. The piston of the first adjusting device includes a connecting channel that connects the piston rod interior with the second cylinder chamber of the first adjusting device. The two cylinder chambers of the first adjusting device are connectable with one another via the pressurizing medium line, the piston rod interior and the connecting channel.

Abstract: A body frame for a vehicle includes a head pipe on which a front fork is mounted for permitting a turning movement. A box-shaped box frame portion extends obliquely rearward and downwards from the head pipe. A twin tube portion extends obliquely downward and rearward on the left and right sides from a rear end of the box frame portion. The twin tube portion has a smaller width than the width of the box frame portion. A rear frame portion extending obliquely rearward and downward from the rear ends of the twin tube portion has a greater width than the width of the twin tube portion. Accordingly, the body frame can be formed such that it has a high rigidity in the proximity of the head pipe but has a low rigidity at a central portion of the body. Accordingly, a load transmitted from the road surface to the head pipe through the front wheel and the box frame portion can support the front fork.

Abstract: The invention is directed to a shock absorbing wheel suspension apparatus and related method. The preferred wheel suspension includes upper and lower rocker arms pivotably attached to a bicycle frame, rear shockstays pivotably attached to the upper and lower rocker arms, and a shock absorbing element. The preferred configuration of the wheel suspension results in improved performance through the desirable alignment of various force and torque lines over a wide range of loading conditions.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A two-wheeled vehicle, in particular a bicycle or a mountain bike, the vehicle being fitted with a rear suspension and comprising a front frame carrying a bottom bracket and an oscillating rear assembly carrying a driving rear wheel, said frame and said rear assembly being connected to each other via two pivot connections and via a damping system, wherein the first pivot connection is formed by a circular eccentric constituted in a casing carrying an eccentric pin, said casing being mounted to pivot in a housing in the front frame, while the rear assembly is fixed to the eccentric pin on either side of the casing, and wherein the second pivot connection is formed by a connecting rod constituted by a simple plate disposed in the general direction of the frame.

Abstract: A bicycle frame (1) includes a first rigid member (2) with means for mounting a rear wheel (18) and a front wheel assembly thereto. A second rigid member (7) having means for mounting a seat post (12) and pedals (13) thereto is also provided. The second member is not connected directly to the first member but rather is linked by pivotable linkage (5, 9) to the first member. A shock absorber (14) is preferably pivotably located between mounting points (15, 16) on the first and second rigid members. In a preferred embodiment a number of shock absorber mounting points are provided on the first member and first link in order to obtain an optimal shock absorber mounting position.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A rear suspension (10, 64) for mountain bikes comprises a rigid link (46, 98) pivotally mounted at opposed ends thereof to a lower rear portion of a main bicycle frame (14, 74, 96) and at a lower front portion of a bicycle swingarm (16, 92). The rigid link (46, 98) allows for relative displacements between the main bicycle frame (14, 74, 96) and the bicycle swingarm (16, 92) along two degrees of freedom and, more particularly, for displacements in an area defined by the position of the two pivots (P1, P2) with respect to a rear wheel axle (WA), by the spacing between the two pivots (P1, P2) and also by the possible deformation of a spring (48, 66) provided between the main frame (14, 74, 96) and the swingarm (16, 92). A leaf spring (48, 66) may be used within a shock absorber system which also includes a damper in order to limit relative displacements between the main frame (14, 74, 96) and the swingarm (16, 92) upon impact of the rear wheel with an obstacle.

Abstract: An adjustable, telescoping seat support with suspension that allows the height of a bicycle seat to be adjusted to a number of seat height positions safely while bicycle is in motion. An elongated tubular seat post is clamped to a bicycle frame in a stationary position. A bicycle seat is attached to an end of a tubular seat holder that is slidably posited over the stationary tubular seat post. The tubular seat holder has a coil spring on it that would provide suspension. A coil spring placed inside the tubular seat holder provides an extending force on the tubular seat post and the tubular seat holder such that the seat support is capable of extending to a raised seat position and compressing to a lowered seat position. The seat is locked into raised and lowered seat positions by a plunger locking portion that is attached to the elongated tubular seat holder and which remains at a fixed position relative to the seal for all seat height positions.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit.

Abstract: A bicycle shock absorber enhancement comprises a seat pipe having its top connected to a cushion, and its rear portion secured with a connector, which secures the upper portion of a shock absorber. The seat pipe has its low end secured to a rear fork of the bicycle frame, which has a rear wheel secured thereat. The rear fork of the bicycle comprises a reinforcing rib to receive and support the lower end of the shock absorber to reinforce its shock absorbing ability.

Abstract: A suspension method for stabilizing a bicycle frame is provided with an elastically deformable damping suspension in order to absorb shocks, wherein said method consists of elastically deforming a suspension device by a torsional effect perpendicularly to the bicycle frame. The suspension device extends over a frame plane and is fitted out to implement the method by providing a damping torsional means arranged about at least one axis contained in a torsional plane perpendicular to the frame plane.

Abstract: A shock absorbing device is mounted between a stem and a front wheel axle of a bicycle to reduce shock that is transmitted to a handlebar, and includes a support leg disposed to swivel with the stem, a lever with a proximate end anchored relative to the axle and a distal end fitted to the support leg, a crank member with a journalled end journalled on the axle and a web portion coupling with one of the proximate end and the intermediate portion of the support leg and terminating at a coupling end.

Abstract: The basic principle of the invention consists in a mechanical adjusting device comprising at least one double-acting piston/cylinder assembly which can be extended “automatically”.

Abstract: An adjustable, telescoping seat support that allows the height of a bicycle seat to be adjusted to a number of seat height positions safely while bicycle is in motion. An elongated tubular seat post is clamped to a bicycle frame in a stationary position. A bicycle seat is attached to an end of a seat holder that is slidably positioned internal to the stationary tubular seat post. A coil spring provides an extending force on the tubular seat post and the tubular seat holder such that the seat support is capable of extending to a raised seat position and compressing to a lowered seat position. The seat is locked into raised and lowered seat positions by a plunger locking portion that is attached to the elongated tubular seat post and which remains at a fixed position relative to the seat for all seat height positions.

Abstract: A mini-bike shock absorber, wherein, the crossbar extends upwards from peripheral of a head tube in arc to the rear of the bike until reaching and connecting to the seat tube. A pivoting tab is provided in the rear peripheral of the seat tube and a pivot is formed on the circumference at the bottom of the crossbar for the pivot to connect the seat stay that supports a rear wheel. An upright shock absorber is connected through the pivoting tab on the seat stay at where in relation to the seat tube to link to the seat stay for absorbing energy of shock transmitted from the seat stay.

Abstract: A bicycle with a torsional shock absorber comprised of a torsion spring assembly. The elements of the torsion spring assembly include: housing, a shaft positioned within the housing, a rubbery substance positioned between the interior surface of the housing and the outer surface of the shaft, and a damper. The torsional shock absorber is mounted on the bicycle such that shock forces are converted into rotational forces tending to rotate the shaft within the housing. These rotational forces are resisted by the spring force created by the rubbery substance within the torsion spring assembly; thereby absorbing the shock forces. In a preferred embodiment, the rubbery substance is bonded to the interior surface of the housing and the outer surface of the shaft. In a preferred embodiment, the front and rear portions of the bicycle frame pivot about the pedal spindle axis.

Abstract: An automatic suspension lockout assembly for bicycles comprises a pedal, crankarm, chainwheel, crankshaft and bearing assembly compliantly mounted to a frame such that a combination of pedaling forces and uphill bicycle inclination creates a small motion suitable for controlling a hydraulic valve in a shock absorber of the bicycle suspension assembly resulting in lockout of the suspension.

Abstract: A wheelchair frame for flexing to accommodate irregularities in the ground consists of a generally rectangular structure having side rails joined by front and rear cross members. One of the cross members is rigid, and receives the side rails through apertures which permit rotation of the side rails within the cross member. The second cross member consists of a tube in tube arrangement or other such means for permitting rotation of the cross member relative to the side rails. The rigid cross member may be slidably displaced along the side rails for changing the wheelbase of the wheelchair. A wheelchair seat frame may be mounted to the rectangular frame by means of fore and aft struts which permit movement of the seat frame relative to the lower rectangular frame to accommodate flex of the lower frame, while also providing a tilt function for the seat frame.

Abstract: A mini bicycle in which the chain stays are respectively pivoted to a bracket at the seat tube to support the pedal-driven chain transmission mechanism. The seat tube extends across a rear part of the upper tube and connected to the rear end of the lower tube to hold the saddle stem, enabling the saddle stem to be vertically adjustably locked at the desired elevation. The springing is coupled between downwardly extended rear lugs of the upper tube and the chain stays, and the handlebar assembly is vertically adjustably coupled to the head tube and locked at the desired elevation.

Abstract: The invention relates to a wheelchair whose suspension is flexible and designed to absorb and filter vibrations. The rear train comprises a triangle (1) attached to a chassis beam, a pivot pin (15) that carries the wheel R and a strut (6) with bearing on a central shock absorber (10). The small front wheels are mounted on a double system (21, 26) that filter the vibrations.

Abstract: A shock absorbing device is mounted between a stem and a front wheel axle of a bicycle to reduce shock that is transmitted to a handlebar, and includes a support leg disposed to swivel with the stem, a lever with a proximate end anchored relative to the axle and a distal end fitted to the support leg, a crank member with a journalled end journalled on the axle and a web portion coupling with one of the proximate end and the intermediate portion of the support leg and terminating at a coupling end.