Entries |
Document | Title | Date |
20080203698 | Motorcycle - A motorcycle with reduced fatigue due to vibrations in travel. A handle bracket is connected to an upper end of a steering shaft through a damper member, and left and right handle bodies are fixed to left and right ends of the handle bracket. | 08-28-2008 |
20080203699 | HANDLEBAR MOUNT SHOCK ABSORBER STRUCTURE - A handle bar mount for small vehicles and of the type having a pivoting handlebar cradle ( | 08-28-2008 |
20080258423 | VERTICAL-TUBE-FIXING-BASE STRUCTURE OF THE FORK TUBE OF THE BIKE - The present invention relates to an vertical-tube-fixing-base structure of the front fork tube of the bike and aimed at providing an direct piercing-through hole of said vertical-tube-fixing-base, which is designed to be mounted on the carbon-fiber-made front fork tube; then clip the horizontally-arranged handle via the fillister and the fixing-base-cover on the other end to integrate; wherein, the middle part of the direct piercing-through hole is hollow-shaped to form two restraining-rings being respectively set at the upper and lower position around; moreover, one open-cutting trench intercommunicating with the direct piercing-through hole is respectively set at the two restraining-rings of the upper and lower position; moreover, one flat-round piercing-through hole and one inner threaded hole are set both sides of the open-cutting trench; the two open-cutting trenches are separated at two positions with different axes. The purpose of avoiding cracking the front fork tube can be reached. | 10-23-2008 |
20080258424 | Unitary vehicular front end and method of use thereof - A unitary vehicular front end is provided comprising a left and right side, each having a handle section with a fork segment thereof, the left and right sides being bridged together via a connecting member having a central bar for receiving the frame of a vehicle, such as a motorcycle or other two or three-wheeled vehicle. A method of securing the unitary vehicular front end to the frame of a vehicle is also provided. | 10-23-2008 |
20080303240 | BICYCLE FORK ASSEMBLY WITH INTEGRAL CROWN AND STEER TUBE - A fork assembly for a bicycle that includes a fork crown with an integrally formed steer tube and a pair of fork receiving pockets. The crown and the steer tube are preferably forged of an aluminum material. Each of a pair of fork blades includes a crown end that has a contour that substantially matches a contour of a respective receiving pocket such that each of the pair of fork blades can be bonded to the crown thereby providing a lightweight and robust fork, fork crown, and steer tube assembly. | 12-11-2008 |
20080315550 | Front suspension and steering system for a motorcycle - A suspension and steering system for the front wheel of a motorcycle. The system includes an upright extending along one side of the front wheel at a rake angle, to which the wheel is journalled by means of a cantilevered axle extending from one side of the lower end of the upright. The upright includes a lower section that resides within the inner diameter of the wheel rim and an arcuate upper section that extends upwardly and rearwardly around the wheel rim and tire. The upper end of the upright is connected to a telescoping, splined steering shaft that is journalled to an upper subframe and which transmits steering torque from a handlebar assembly through the upright to the front wheel. The upright is pivotably attached to upper and lower swing arms that extend forwardly from the body of the motorcycle. The lower swing arm extends around the side of the front wheel and functions to locate the lower section of the upright. The upper swing arm is connected to the upper end of the upright and is sprung and damped with a shock absorber assembly connected to the upper subframe. The upright bears and transmits substantially all weight and shock loads between the front wheel and the upper swing arm and body of the motorcycle, allowing the steering shaft to function exclusively to transmit steering torque to the front wheel. | 12-25-2008 |
20090001684 | BICYCLE SUSPENSION ASSEMBLY - A bicycle suspension assembly may be in the form of a bicycle front suspension fork. The suspension fork may include a pair of telescoping fork legs. In one arrangement, a suspension spring and a damper are provided in only one of the pair of fork legs. The suspension spring assembly may include a negative spring. In one arrangement, the negative spring is a dual stage negative gas spring in which a negative spring gas chamber includes a first chamber section and a second chamber section. The first chamber section and the second chamber section are uncoupled in a first position of the suspension spring and the first chamber section and the second chamber section are coupled in a second position of the suspension spring. | 01-01-2009 |
20090058039 | Fiber-Reinforced Wrapped Handlebar-Steered Suspension Fork - A handlebar-steered suspension fork that includes an outer tube and an inner tube reciprocally slidable within the outer tube. The outer tube includes at least one radial load region and at least one transition region. A fiber-reinforced material is wrapped about at least one of the outer tube radial load regions and not wrapped about at least one of the outer tube transitions regions. | 03-05-2009 |
20090058040 | Front Wheel Suspension for Motorcycles - A front-wheel suspension for motorcycles, having a fork-type wheel carrier with a left fork arm and a right fork arm, a lower connection element mutually connecting the two fork arms and an upper connection element mutually connecting the two fork arms. The wheel carrier is swivelably linked to other components of the motorcycle by a lower and an upper longitudinal control link. Forward ends of the longitudinal control links are connected with the wheel carrier by way of an upper and lower swivel bearing respectively whose swivel axes extend essentially transversely with respect to the longitudinal direction of the motorcycle. | 03-05-2009 |
20090115159 | ARRANGEMENT FOR TELESCOPIC FORK LEG WITH PARALLEL DAMPING - A device for telescopic fork legs, preferably for a motorcycle or bicycle. The device is a compact removable unit that comprises parallel medium flow passages that run between upper and lower sides of the piston. This unit that is simple to adapt to different front fork dimensions and to use as a kit for providing an existing front fork with parallel damping. Parallel damping achieves simple adaptation of the damping characteristics to different types of terrain. | 05-07-2009 |
20090160156 | UPPER FRAME OF FRONT FORK FOR BICYCLE - An upper frame of a front fork for a bicycle includes an upright tube and two branch tubes. The upright tube has an axial rib. The two branch tubes extend bilaterally from a bottom end of the upright tube and each have an axial rib parallel substantially to a longitudinal direction of the upright tube and a connecting portion located at an end of the branch tube for connection of a fork tube. Thus, the structure strength of the upright tube can be enhanced by the axial rib thereof, and the structure strength of the branch tubes can be enhanced by the axial ribs thereof to bear stress generated from the fork tubes. | 06-25-2009 |
20090160157 | FRONT FORK FOR BICYCLE - A front fork for a bicycle includes an upright tube, a fork crown and two branch tubes. The upright tube is mounted on a bottom end of the upright tube. The branch tubes each have a top connected to the fork crown, and a rib located inside an upper section thereof. Thus, the upper sections of the branch tubes have well structural rigidity for increasing the transmission efficiency of the bicycle. The lower sections of the branch tubes have well flexibility for enhancing the rider's riding comfort. | 06-25-2009 |
20090189366 | OUTER TUBE FOR FRONT FORK - An outer tube for a front fork having an FRP pipe body which is subjected to braiding processing using a braider, wherein the FRP pipe comprises a combination of braids interlacing with each other at interlacing angle ±θ° with respect to a pipe center axis, a value of an interlacing angle ±θ° of the braids during the braiding processing period is varied, and bending rigidity in a longitudinal direction of the FRP pipe is varied in along longitudinal extent. | 07-30-2009 |
20090212525 | DEVICE FOR ADJUSTING INCLINATION OF A FRONT FORK OF A VEHICLE HAVING TWO OR THREE WHEELS, PARTICULARLY A CYCLE OR A MOTORCYCLE - A device is described, for adjusting the inclination of a front fork of a two- or three-wheeled vehicle having a steering assembly (S) including a frame tube ( | 08-27-2009 |
20090230653 | BICYCLE COMPONENT - A bicycle component with a wheel mount at which a wheel with a hub can be received. with the wheel mount including two tube components provided with a mounting device at each of its end portions. At the mounting device of at least one tube component a bushing device is arranged to be exchangeable and to be suitable and intended to receive and support a hub. | 09-17-2009 |
20090322054 | METHODS AND APPARATUS FOR SUSPENSION DAMPING WITH REDUCED CAVITATION AND EFFECTS - A method and apparatus for reducing cavitation and its effects in a damper. The damper includes a flow dividing structure. In one embodiment, the structure is disposed in a valve including an annular flow path constructed and arranged to separate fluid into substantially separate streams as the fluid passes through the annular path. | 12-31-2009 |
20100044996 | MOTORCYCLE FRONT TRANSMISSION DEVICE STRUCTURE - The present invention discloses a motorcycle front transmission device structure, which consists of an operating arm, a suspending arm, a support frame, a connecting rod etc. This motorcycle front transmission device connects the front wheel, the handlebar and the body shell together by hinge joint. During driving, the force imposed on the front wheel can be transmitted to the body shell by the suspending arm, the upper connecting block and the damping spring so as to have a reasonable stress distribution. At the same time, the swing angle of the front wheel can be bigger and the control can be easier. The device can also reduce the motorcycle weight and lower production cost. | 02-25-2010 |
20100102530 | SLIDER TUBE UNIT FOR A SUSPENSION FORK - A slider tube unit for a suspension fork of a bicycle, including two spaced-apart slider tubes and a wheel receiving space in-between, and at least one connector bracket connecting the two slider tubes above the wheel receiving space. The connector bracket includes a connector body which in its longitudinal extension from the one slider tube to the other slider tube is configured hollow wherein the connector body consists of an open basic profile and a reinforcing device closing the opening of the basic profile. | 04-29-2010 |
20100117329 | SUSPENSION FORK FOR A BICYCLE - A suspension fork of a bicycle includes at least one stanchion tube and a slider tube interacting therewith and a wheel receiving space adjacent thereto, and a damper system. The damper system includes a shut-off valve to adjust a lockout in the rebound stage and a shut-off valve to adjust a lockout in the compression stage, and one joint adjusting element. Using the joint adjusting element, the locking of the rebound stage and locking of the compression stage can be adjusted. | 05-13-2010 |
20100123297 | Fork, particularly for sport motorcycles - An improved fork ( | 05-20-2010 |
20100127472 | QUICK RELEASE CAMMING MECHANISM - A quick release camming mechanism is used in a bicycle skewer that secures a hub to a fork. Whereas prior art quick release mechanisms have only a single lever, this mechanism has two independent levers. About half the force is required to independently push either lever closed as to push both levers closed simultaneously. Similarly, about half the force is required to open either lever individually as to open them simultaneously. A similar quick release camming mechanism also works well for a quick release seat post clamp with similar advantages. The present invention is not limited to use on bicycle components. | 05-27-2010 |
20100133776 | METHODS AND APPARATUS FOR SELECTIVE STIFFNESS OF VEHICLE SUSPENSION - A method and apparatus for an adjustable suspension system for a vehicle comprises at least one strut. In one embodiment, the stanchion (or slider) is non-uniform with a major and minor circumferential stiffness and is adjustable relative to a fore and aft axis of the vehicle in order to provide a differing amount of stiffness relative thereto. In another embodiment, a portion of the stanchion is circular and a reinforcement is annularly disposed therearound with axial retention formations, The reinforcement has a non-uniform circumferential characteristic and is rotatable relative to the fore/aft axis of the vehicle. | 06-03-2010 |
20100164200 | Lower Leg for a Suspension Fork - The invention relates to a lower leg ( | 07-01-2010 |
20100207350 | FRONT FORK - A front fork for easily optimizing an oil quantity in a damper cylinder with a relatively simple structure without affecting operability of a free piston even in an assembled state. An escape portion is formed on an outer periphery of a piston rod at a position where a seal member mounted on a sealing cap faces in an opposed manner when a front fork extends to the maximum. | 08-19-2010 |
20100219607 | SPRING FORK - A spring fork, in particular for bicycles, with a suspension system and a hydraulic damping system, wherein a compression stage damping system ( | 09-02-2010 |
20100230926 | UNITARY CROWN FORK ASSEMBLY AND METHOD OF FABRICATION - A bicycle is provided having a unitary steering tube-crown member and a unitary crank arm-spindle member. A multistage aluminum 3D forging process is used to form the unitary members. This may allow the fabrication of components with substantially hollow interior areas to reduce weight, reduce part count while maintaining high strength and ductility. The multistage 3D forging process provided also allows the combination of multiple components into a single unitary part. | 09-16-2010 |
20110031717 | APPARATUS, METHOD, AND KIT FOR MODIFYING A STOCK INVERTED FRONT FORK ASSEMBLY OF A MOTORCYCLE - An apparatus, method, and kit for modifying a stock inverted front fork assembly of a motorcycle. The resultant modified stock inverted front fork assembly includes shortened lower stock cartridge components of a factory stock inverted front fork assembly, and an air cylinder assembly operatively connected to the shortened lower stock cartridge components of the factory stock inverted front fork assembly. The air cylinder assembly has a cylinder body capable of being screwed into a top portion of a stock fork tube, a piston inside of the cylinder body, a spring button attachment point, and a shaft connected to the piston at a proximal end of the shaft and connected to the spring button attachment point at a distal end of the shaft. | 02-10-2011 |
20110049833 | Bicycle suspension system - In a preferred embodiment, an ultra-light weight suspension fork for bicycles that provides smooth action of the suspension system that hitherto has been unachievable. This fork assembly contains a telescoping mechanism located in the head tube of the bicycle that uses linear roller bearings to reduce stiction and prevent torsional losses, but limits weight by only using two such bearings. Side-to-side load is eliminated by the use of two longitudinal members in close proximity to the inner tube of this telescoping mechanism. The telescoping mechanism is coupled to the wheel via an arched single-sided fork crown designed to maintain torsional and braking stiffness. The arched crown contains arches in two dimensions. The fork crown is coupled to the wheel via a shaped fork tube whose wall is thickened while the outside diameter is reduced so that the connection point to the axle mechanism has the same outside diameter as the fork tube thereby enabling significant strengthening of the assembly. | 03-03-2011 |
20110062679 | BICYCLE SUSPENSION HAVING STROKE AND DAMPER ADJUSTMENT - A bicycle suspension includes a stroke adjustment unit, a suspension damper, a damper adjustment unit, and a control mechanism. The stroke adjustment unit is configured to adjust a stroke of the bicycle suspension, which is configured to expand and contract within the stroke. The suspension damper is configured to apply damping force to the bicycle suspension. The damper adjustment unit is configured to adjust the damping force applied by the suspension damper. The control mechanism operatively couples the stroke adjustment unit to the damper adjustment unit and is configured to sequentially adjust the stroke and the damping force. | 03-17-2011 |
20110079983 | Double-Acting Gas Suspension System - A suspension system for use with a motorcycle includes a single body having two double-acting pneumatic cylinders in axial alignment therein. The suspension system may be sold in a kit, and may be retrofitted on an existing OEM motorcycle front wheel fork. | 04-07-2011 |
20110084464 | ADJUSTABLE BICYCLE SUSPENSION SYSTEM - An adjustable bicycle suspension system includes a first stroke adjustment unit and a second stroke adjustment unit. The first stroke adjustment unit is configured to adjust a stroke of a suspension by changing a position of the suspension at a first position or a second position. The second stroke adjustment unit is configured to change the position of the suspension at the second position independently from the first position. | 04-14-2011 |
20110095506 | BICYCLE STEERER ASSEMBLY HAVING CAPTURED FORK LEGS - A bicycle steerer assembly that includes a stub tube, a steerer tube that extends upward from the stub tube, a pair of forks, and a fork crown or crown cap. A key and keyway are formed between the stub tube and a crown portion of each fork. The crown cap overlies the crown portion of each fork thereby preventing dissociation of the key and keyway between each of the pair of forks and the stub tube when the crown cap is positioned thereabout. | 04-28-2011 |
20110133428 | STEERING SAFETY MECHANISM FOR BICYCLE - A steering safety mechanism is provided for a bicycle and includes a frame, a steering stem, at least one first fastener, at least one second fastener, and a damping element. The frame includes a head tube portion. An end of the steering stem is received through the head tube portion. The first fastener is attached to the frame, and the second fastener is attached to the steering stem. The damping element has a first end attached to the first fastener and a second end attached to the second fastener. | 06-09-2011 |
20110187076 | Bicycle Air Shock Assemblies With Tunable Suspension Performance - A bicycle air shock absorber assembly that includes a hollow piston rod that is telescopically associated with a hollow compression rod. The piston rod and compression rod are positioned within the casing of the shock assembly. A piston is supported by the piston rod and divides the volume of the compression rod to form a negative air spring chamber and a positive air spring chamber that includes the volume of the piston rod. An optional coil spring is positioned within the casing and contributes in parallel with the positive air spring chamber to resist compression of the shock assembly. | 08-04-2011 |
20110204590 | Adjustable rake and height triple tree - This invention allows motorcycle owner to easily change the rake and height of motorcycle while maintaining stock aesthetic appearance not being offered in market today, and the ability to service fork tube hydraulic oil without incurring costly mechanical fees. The upper tree assembly with spherical bearing is connected by a center stem internal of the frame neck bearing housing. The lower tree assembly with spherical bearing and interchangeable degree rake pucks are connected to said center stem. Tube extensions inserted into motorcycle owners stock factory fork tubes and attached to said upper tree and lower tree allows height adjustments. A removable screw in the top of tube extensions inserted into a hollow bore through the center of tube extension allows motorcycle owner to service fork tube hydraulic oil. | 08-25-2011 |
20110215550 | BICYCLE SUSPENSION ADJUSTOR - A bicycle suspension adjustor is provided with a rotational input member, an axial output member and a rotation-to-axial movement converting structure. The rotation-to-axial movement converting structure includes a first converting member operatively coupled to a rotational input member and a second converting member facing the first converting member. At least one rolling member is operatively disposed between the first and second converting members. One of the converting members is operatively coupled to an axial output member. The rolling member is in rolling contact with the first and second converting members so that the rolling member induces relative displacement with respect to both of the first and second converting members as the rotational input member rotates the first converting member in response to a rotational movement of the rotational input member. | 09-08-2011 |
20110215551 | METHODS AND APPARATUS FOR VEHICLE SUSPENSION HAVING MULTIPLE GAS VOLUMES - A method and apparatus for a vehicle suspension system gas spring. In one embodiment, a vehicle suspension system gas spring includes a compressible main gas chamber and an additional volume combinable with the main chamber to change a gas spring rate of the system. In one embodiment, a low friction piston seal is created by a flexible seal member. | 09-08-2011 |
20110248469 | BICYCLE DAMPING SYSTEM - A bicycle damping system is arranged to reduce vibrations that originate at the bicycle wheel and are transmitted to the rider of the bicycle. Desirably, a front fork assembly is configured to be supported by a bicycle frame and includes a pair of fork legs, which extend in a downward direction along opposing sides of a front wheel of the bicycle. Preferably, the fork legs are configured to support the front wheel at their lower ends. Each of the fork legs can define a cavity and a damping member is positioned within the cavity. The damping member can be forced into contact with a surface of the fork leg. Seat stays, chain stays, the seat post and other components of the bicycle can also include a damping system. | 10-13-2011 |
20110304120 | Lubricated Guide Unit for a Motorcycle Fork Tube - A lubricated guide unit is for a motorcycle fork tube that includes an outer tube and an inner tube telescopically slidable within the outer tube. The guide unit includes upper and lower sliding bushings axially spaced apart and disposed within a cavity of the outer tube and guide sliding movement of the inner tube. A first sealing device is mounted at an open end of the outer tube and seals against the outer surface of the inner tube. A second sealing device is mounted in the outer tube and seals against the outer surface of the inner tube. The second sealing device is axially spaced from the first sealing device such that a sealed, lubrication chamber is defined between the two sealing devices and the facing circumferential surfaces of the inner and outer tubes, the two bushings being disposed within the chamber. | 12-15-2011 |
20110309598 | FRONT STRUCTURE OF SADDLE TYPE VEHICLE - A front structure of a saddle type vehicle is provided with the added function of damping vibrations generated in the direction different from the direction of an axis of a telescopic fork, in addition to functioning as a steering damper. An automatic two-wheeled vehicle includes a head pipe provided on a front portion of a vehicle body frame, a steering stem supported by the head pipe, and a fork member coupled to the steering stem and supporting a front wheel. The fork member includes an upper pipe coupled to the steering stem, and a bottom pipe slidably coupled to the upper pipe and rotatably supporting the front wheel at a lower portion thereof. A damper member is provided between the bottom pipe and the vehicle body frame. | 12-22-2011 |
20120001401 | METHODS AND APPARATUS FOR STRUCTURAL REINFORCEMENT OF VEHICLE SUSPENSION MEMBERS - A method and apparatus for assembling a suspension. In one embodiment, a method includes altering a temperature of a first suspension component and then pressing the first suspension component and a second suspension component into engagement while the temperature remains substantially altered. | 01-05-2012 |
20120080865 | WHEEL-LOCKING SUSPENSION FORK ASSEMBLY FOR A BICYCLE - A wheel-locking suspension fork assembly for a bicycle includes first and second cylinder members coupled by a crosspiece disposed above a wheel, and a coupling joint turnably mounted on the first cylinder member and connected to a latch rod that is moved to be retained to a first catch unit on the first cylinder member so as to permit the wheel to freely rotate, or to a second catch unit on the second cylinder member so as to position between spokes of the wheel to lock the wheel. A key-operated lock is disposed in the coupling joint to be displaceable to a locking position where the latch rod is retained in the second catch unit. | 04-05-2012 |
20120091683 | BICYCLE ASSEMBLY WITH FORK AND METHOD OF MANUFACTURING - A bicycle assembly can include a bicycle fork. The bicycle fork can have a steer tube, a leg, and a crown. The bicycle fork can also include adhesive used to connect the leg to the crown. A method of manufacturing an assembly for a bicycle can include applying adhesive, to bond metal on metal, to at least one of the leg and the crown, inserting a part of the leg into a part of the crown, the parts forming a slip fit, and curing the adhesive. A similar method can also be used to attach the steer tube to the crown. | 04-19-2012 |
20120146311 | Shock Absorber with Compliant Members - The present invention provides a shock absorber with compliant members. Shock absorption is provided by the bending and rebound of curved, flexible arms. The deflection and the damping capabilities of the shock absorber are determined by the dimensions, curvature, and material modulus of elasticity of these compliant members. The shock absorber with compliant members technology may be applied to a bicycle front fork shock absorber and a rear shock absorber, both described herein. The benefits of a shock absorber with compliant members are that it is light-weight, it is simple in design, it has few movable joints, it can be designed to have precise flexion and damping characteristics, and it is resilient in harsh conditions. | 06-14-2012 |
20120187651 | Telescopic Suspension Fork Leg and Telescopic Suspension Fork Provided Therewith - A telescopic suspension fork leg, such as may be used in a motorcycle. The fork leg has an inner tube and an outer tube and a damping arrangement and a spring arrangement, which is arranged within a first chamber which is formed in the outer tube and is supported against a second chamber formed by the damping arrangement and arranged beneath the first chamber, which is constructed to receive a damping fluid. The damping arrangement has a piston, on a piston rod, with upper and lower piston surfaces. The piston is displaceable within a damping tube arranged largely concentrically to the inner tube, and the damping tube is surrounded by an annulus chamber arranged largely concentrically to the damping tube, and a sealing arrangement, displaceable along the piston rod, is provided between the first and second chambers. | 07-26-2012 |
20120187652 | Telescopic Suspension Fork Leg with Equalizing Volume for Damping Fluid - A telescopic suspension fork leg, such as may be using in conjunction with a motorcycle. The fork leg has an inner tube and an outer tube, a damping arrangement, and a spring arrangement which is arranged inside a first chamber formed in the outer tube and resting opposite a second chamber formed by the damping arrangement and arranged beneath the first chamber. The telescopic suspension fork leg features a compressible equalizing volume for a damping fluid volume displaced by a piston rod. The equalizing volume is provided generally concentrically between a damping tube and a separating piston. The separating piston fluidically separates the equalizing volume from an annular space chamber. | 07-26-2012 |
20130026730 | METHODS AND APPARATUS FOR SELECTIVE STIFFNESS OF VEHICLE SUSPENSION - A suspension assembly including a core member; and a skin member bonded on said core member. The skin member having a higher strength than the core member. | 01-31-2013 |
20130075998 | BICYCLE WITH SUSPENSION - A bicycle assembly can include a front or rear suspension system with a shock absorber. A front suspension system can be a suspension fork. A rear suspension system can include a rear shock absorber. The shock can have a shock body and a pressurized main air chamber within the shock body to act as an air spring. The shock can also have a valve configured to receive a pump for adding air to the main air chamber. A secondary air chamber and a control member can be used to reduce the pressure within the main air chamber by venting the secondary air chamber to the atmosphere. | 03-28-2013 |
20130093158 | Gas Suspension System - A suspension system for use with a motorcycle includes a single body having two pneumatic cylinders in axial alignment therein. The suspension system may be sold in a kit, and may be installed in an existing front wheel fork. | 04-18-2013 |
20130119632 | STEERING LIMIT DEVICE OF SHOCK ABSORBENT FORK - A steering limit device includes an external tube and a shaft tube coupled to a handlebar and a fork of a bicycle respectively. The external tube has a plurality of first rotation limit portions disposed on an inner wall of a predetermined section of the external tube; the shaft tube has a plurality of second rotation limit portions corresponding to the first rotation limit portions respectively formed on an outer wall of the section of the shaft tube being extended into the external tube and a plurality of first pads installed between the first rotation limit portions and the second rotation limit portions, and each first pad limits the relative rotation of the external tube and the shaft tube to achieve the effect of controlling the fork steering effect by the handlebar of the bicycle. | 05-16-2013 |
20130134686 | METHODS AND APPARATUS FOR SELECTIVE STIFFNESS OF VEHICLE SUSPENSION - A method and apparatus for an adjustable suspension system for a vehicle comprises at least one strut. In one embodiment, the stanchion (or slider) is non-uniform with a major and minor circumferential stiffness and is adjustable relative to a fore and aft axis of the vehicle in order to provide a differing amount of stiffness relative thereto. In another embodiment, a portion of the stanchion is circular and a reinforcement is annularly disposed therearound with axial retention formations, The reinforcement has a non-uniform circumferential characteristic and is rotatable relative to the fore/aft axis of the vehicle | 05-30-2013 |
20130134687 | METHODS AND APPARATUS FOR SUSPENDING VEHICLES - A method and apparatus for a shock absorber for a vehicle having a gas spring with first and second gas chambers, wherein the first chamber is utilized during a first travel portion of the shock absorber and the first and second chambers are both utilized during a second portion of travel. In one embodiment, a travel adjustment assembly is configured to selectively communicate a first gas chamber with a negative gas chamber. | 05-30-2013 |
20130134688 | DAMPER - Damper is provided with damper main body including cylinder, piston being slidably inserted into cylinder to partition interior of cylinder into extension and compression chambers, and piston rod being inserted into cylinder to be coupled to piston, and damping force adjustment mechanism including flow path permitting passage of fluid only during either extension or contraction, valve seat being provided at intermediate position of flow path, valve body being movable back and forth relative to valve seat, and motor driving and moving valve body back and forth relative to valve seat to adjust flow path area of flow path. Damper energizes motor to move valve body distance, which is two-fold or more of distance from separated position where valve body is separated from valve seat to seated position where valve body is seated on valve seat, when flow path is blocked by moving valve body from separated position to seated position. | 05-30-2013 |
20130154233 | FRONT FORK - A front fork includes a damper that generates a damping force, a cylinder body that houses the damper, a reservoir formed on an exterior of the cylinder body, a rod body that is inserted into the cylinder body to be capable of advancing and retreating, a piston portion that defines an upper chamber and a lower chamber within the cylinder body, a through hole allows a working fluid to flow from the cylinder body into the reservoir, a flow rate control mechanism that is disposed in the vehicle body side tube to face an upper end opening of the through hole, and applies a resistance to a flow of the working fluid flowing toward the reservoir from the rod body, and a driving mechanism that drives the flow rate control mechanism to adjust an expansion side damping force and a contraction side damping force generated by the damper. | 06-20-2013 |
20130187357 | Bicycle Fork Assembly - A vibration dampening bicycle fork assembly includes a pair of fork legs that sweep in a forward direction relative to a longitudinal axis of a steerer tube that extends in an opposite direction from a fork crown. A dropout is secured to a distal end of each fork leg and a dampener formed of an elastomeric material wraps about at least a portion of an exterior surface of each dropout. A passage extends through the dropout, is offset from the respective fork leg and is aligned with a pair of openings formed in opposite lateral sides of the dampener. An optional fastener cooperates with the passage and the openings and has a mass that is selected to further counteract vibration of the respective fork leg. | 07-25-2013 |
20130221634 | FRONT FORK SPRING LEG - Provided is a front fork spring leg capable of stably maintaining air spring characteristics. The front fork spring leg has an inward-facing seal member, an outward-facing seal member, and a piston ring arranged on an outer periphery of a guide of a guide rod sequentially in this order along an axial direction of the guide from the side close to an inner air spring chamber toward the side far from the same. The inward-facing seal member has a lip which is slidably in contact with the inner periphery of the guide cylinder, with this lip being oriented toward the inner air spring chamber while the outward-facing seal member has a lip which is slidably in contact with the inner periphery of the guide cylinder, with this lip being oriented in the opposite direction to the inner air spring chamber. | 08-29-2013 |
20130249187 | BICYCLE DAMPING SYSTEM - A bicycle damping system is arranged to reduce vibrations that originate at the bicycle wheel and are transmitted to the rider of the bicycle. A portion of a bicycle frame and/or bicycle fork can include define a cavity and a damping member is positioned within the cavity. The damping member can be forced into contact with a surface of the cavity. Fork legs, seat stays, chain stays, the seat post are all examples portions of the bicycle frame that may include a damping system. | 09-26-2013 |
20130257011 | DAMPING FORCE GENERATOR FOR HYDRAULIC SHOCK ABSORBER - A damping force generator for a hydraulic shock absorber featuring an increased deflection (bending) characteristic of a damping valve to widen the adjustable range of a damping force. In a damping force generator ( | 10-03-2013 |
20130257012 | TWO-WHEELED MOTOR VEHICLE AND FRONT FORK FOR THE SAME - In a two-wheeled motor vehicle having a pair of right and left front forks for supporting a front wheel so that the front wheel is rotatable, a top bridge for supporting upper ends of the pair of right and left front forks, a handle post provided to the top bridge, and a bar-shaped handle secured to the hand post, the handle is provided above the front forks with respect to an axial line direction of the front forks, each front fork is provided with an air valve for sealingly filling air in the front fork and a projection on the upper surface thereof, and the projection is formed to be higher than the air valve. | 10-03-2013 |
20130264794 | BICYCLE DAMPING SYSTEM - A bicycle damping system is arranged to reduce vibrations that originate at the bicycle wheel and are transmitted to the rider of the bicycle. Desirably, a front fork assembly is configured to be supported by a bicycle frame and includes a pair of fork legs, which extend in a downward direction along opposing sides of a front wheel of the bicycle. Preferably, the fork legs are configured to support the front wheel at their lower ends. Each of the fork legs can define a cavity and a damping member is positioned within the cavity. The damping member can be forced into contact with a surface of the fork leg. Seat stays, chain stays, the seat post and other components of the bicycle can also include a damping system. | 10-10-2013 |
20130313803 | RUBBER ISOLATION SYSTEM INCORPORATED BETWEEN THE COMPRESSION ROD AND THE GAS SPRING ASSEMBLY OF A BICYCLE FORK - A bicycle fork leg including a pressurized gas chamber functioning as a shock absorber and a piston adjacent to the bicycle fork leg. A movable compression rod which moves toward the piston when a force is imparted to the bicycle leg. A rubber or compliant member within the piston. The movable compression rod coming in contact with the compliant member to reduce low amplitude high frequency shocks. | 11-28-2013 |
20130320647 | FRONT FORK - A front fork in which a stroke amount of a spring leg that relies on an air spring can be detected precisely, wherein pressure leaks in the spring leg are detectable. The front fork has: a guide cylinder that extends from one of a vehicle body-side tube or an axle-side tube that make up a spring leg; a piston mounted to the leading end of a guide rod extending from the other one of the tubes; an inner airspring chamber in the interior of the guide cylinder; an outer airspring chamber, outward of the inner airspring chamber, in the interior of the vehicle body-side tube and the axle-side tube; first and second detectors for detecting pressure and temperature in the outer airspring chamber the inner airspring chamber, respectively; and stroke detection compensator for detecting a stroke amount on the basis of outputs of the first and second detectors. | 12-05-2013 |
20130334788 | Bicycle Air Shock Assemblies With Tunable Suspension Performance - A bicycle air shock absorber assembly that includes a hollow piston rod that is telescopically associated with a hollow compression rod. The piston rod and compression rod are positioned within the casing of the shock assembly. A piston is supported by the piston rod and divides the volume of the compression rod to form a negative air spring chamber and a positive air spring chamber that includes the volume of the piston rod. An optional coil spring is positioned within the casing and contributes in parallel with the positive air spring chamber to resist compression of the shock assembly. | 12-19-2013 |
20130341885 | STRADDLE TYPE VEHICLE - In a straddle type vehicle having front forks, the left front fork is in an elliptical shape portion whose axial cross section is formed so as to be wider in the width direction of the vehicle as compared to a length in the front and rear direction at the portion located in front of the brake caliper. The brake caliper is disposed so as to be overlapped with the elliptical shape portion, viewed from the front direction of the vehicle. | 12-26-2013 |
20140027998 | MOTORCYCLE STEERING WITH FOUR-BAR LINKAGE - A steering mechanism may include a four-bar linkage having a ground link, a coupler link, and a pair of follower links. The ground link may be connected to a vehicle having a wheel defining a wheel centerline. The coupler link may be connected to the wheel and may be located aft of the ground link. The pair of follower links may pivotally connect the ground link to the coupler link. The follower links may extend aftwardly from the ground link at converging angles and may define a steering axis located aft of the wheel centerline | 01-30-2014 |
20140062055 | SET OF TRIPLE CLAMPS IN A FRONT SUSPENSION SYSTEM OF A MOTORCYCLE - A set of triple clamps in a front suspension system of a motorcycle, has a top triple clamp and a bottom triple clamp designed to provide a pivoting connection of the front suspension system of the motorcycle with the frame of the motorcycle. The set also has a fixing system for receiving the handlebars of the motorcycle and fixing them to the top triple clamp. According to one feature, the fixing system has a handlebar damper system the movement axis of which is substantially parallel to the movement axis of the front suspension system of the motorcycle. | 03-06-2014 |
20140062056 | SUSPENSION FORK, IN PARTICULAR FOR A BICYCLE - A damper device for a bicycle suspension fork has a magneto-rheological damping medium. A piston partitions a damper chamber into first and second chambers that are connected via a return duct, an adjustable throttle valve, and a transfer duct. A field-generating device generates a magnetic field in a damping duct of the throttle valve. A one-way circuit is provided for the damping medium, with two one-way valves disposed to cause a same direction of circulation of the damping fluid both when the piston rod plunges into and retracts from the damper chamber. A first one-way valves in the piston allows a flow of the damping medium from the second into the first chamber. A second one-way valve in the transfer duct allows a damping medium flow from the transfer duct into the second chamber. The adjustable throttle valve control the plunge and the retraction of the piston rod. | 03-06-2014 |
20140062057 | SUSPENSION FORK, IN PARTICULAR FOR A BICYCLE - A suspension fork for a bicycle has a tube system with an inner tube and an outer tube that are movable relative to one another. A damper system with a field-sensitive damping fluid is provided within the tube system. The damper device has a damper chamber that is partitioned to form a first chamber and a second chamber by a movable piston attached to a piston rod. A first throttle valve with a first field generating device and a second throttle valve with a second field generating device enable influencing the first and second throttle valves. First and second switching valves are provided. The first and second throttle valves and the first and second switching valves are interconnected such that in the compression stage there is flow only through the first throttle valve while in the rebound stage the first and second throttle valves are connected in series. | 03-06-2014 |
20140070516 | SUSPENSION SYSTEM - The invention broadly includes a suspension system for a vehicle that includes a vehicle frame, at least one pair of shock absorbers attached to the frame and having piston stems extending from the shock absorbers and attached to extension arms pivotally attached to the frame. The extension arms are attached to the tire axles optionally attached to support arms. The support arms are also attached to the pivot connection. The pivot connection is between the axle and the shock absorber. | 03-13-2014 |
20140167380 | FRONT FORK - A front fork includes a fork body having an outer tube and an inner tube relatively movably inserted into the outer tube in an axial direction, a damper housed in the fork body to dampen relative movement between the outer and inner tubes, a biasing member that biases the fork body in an expansion direction at all times, an annular dust seal that is held in the outer tube and makes sliding contact with an outer circumference of the inner tube, an annular oil seal that is held in the outer tube inside the fork body to be inner than the dust seal and makes sliding contact with the outer circumference of the inner tube, and a C-shaped scraper that is provided between the dust seal and the oil seal and makes sliding contact with the outer circumference of the inner tube. | 06-19-2014 |
20140191491 | Suspension Fork - The invention relates to a suspension fork ( | 07-10-2014 |
20140239610 | Suspension for Handcycle - A suspension device for a handcycle has a first frame member and a second frame member pivotally coupled to the first frame member. A shock absorber is disposed between the first and second frame members. A lever assembly is disposed between the first and second frame members to transfer motion of the second frame member into the shock absorber. The lever assembly includes a lever pivotally coupled to the first frame member. The lever includes first and second arms coupled at an angle which allows motion of the second frame member to be directed into the shock absorber. The lever assembly is configured to transfer a vertical motion of the second frame member into non-vertical motion directed into the shock absorber. The suspension device further includes a third frame member. The first and second frame members are rotationally coupled to the third frame member. | 08-28-2014 |
20140265225 | BICYCLE FORK WITH COMPLIANT TIP - The present invention provides a bicycle comprising front and rear wheels, a frame supported on the front and rear wheels and including a front fork. The front fork comprises a steerer tube defining a steering axis, a fork blade coupled to and extending downward relative to the steerer tube, and a fork tip coupled between the fork blade and the front wheel. The fork tip includes a first arm extending at an angle of 40-85 degrees relative to the steering axis, a second arm extending at an angle of 70-120 degrees relative to the steering axis, and an axle support coupled between the second arm and the front wheel. In one embodiment, the first arm and second arm define a gap, and the fork tip further includes a resilient member positioned in the gap. | 09-18-2014 |
20140367942 | SUSPENSION SYSTEM - A vehicle suspension system includes a spring, a neck assembly, and a rod. The neck assembly has an outer shell housing a hollow stem having an upper end and a lower end. The stem is rotatable respect to outer shell. The upper end is coupled to an upper bracket having a control arm pivotally coupled thereto. The lower end is coupled to a lower bracket having a linkage pivotally connected thereto. The rod has a first end coupled to the spring and a second end coupled to the linkage. The rod extends through the hollow stem. The linkage is further coupled to a wheel assembly. | 12-18-2014 |
20150054250 | ONE-PIECE CONNECTOR FOR A SHOCK-ABSORBING FRAME OF A BICYCLE - A one-piece connector for a shock-absorbing frame of a bicycle is manufactured by casting, forging or high pressure hydraulic forming means, is made of aluminum and formed as a single piece without welding, and has a bottom bracket shell, a connecting tube, a pivot and a linking joint. The connecting tube is formed on and protrudes from a top surface of the bottom bracket shell. The pivot is formed with the connecting tube near the bottom bracket shell. The linking joint is formed on an upper end of the connecting tube. The bottom bracket shell, the connecting tube, the pivot and the linking joint are formed with each other to form the one-piece connector without welding to simplify the production process, to improve the precision, quality and appearance of the one-piece connector, and to reinforce the structural strength of the one-piece connector. | 02-26-2015 |
20150054251 | SUSPENSION DEVICE - A suspension device intervenes between a vehicle body and a wheel in a vehicle. The suspension device includes an outer tube coupled to the vehicle body, an inner tube inserted into the outer tube so as to allow the inner tube to advance and retreat, and a wheel-side bracket that includes a tubular holding portion into which an end portion on the wheel side of the inner tube is inserted and couples the inner tube to the wheel. The holding portion includes an annular ring disposed on the outer tube side and having an inner peripheral surface standing along an outer peripheral surface of the inner tube. The ring includes an outer peripheral tapered surface formed on an outer peripheral surface of the ring continuously from the end portion on the outer tube side of the inner peripheral surface and having a diameter gradually expanded to the holding portion side. | 02-26-2015 |
20150054252 | VEHICLE HAVING POSITIONAL CONTROL FUNCTION - Disclosed is a vehicle having a structure in which a handle connecting frame is attached to an upper end of a front fork section in a state in which the front fork section is connected thereto, and a front wheel rotatably supported by the front fork section is able to be steered, characterized in that a main rotary shaft of the front wheel functions as a main body and a support member and is fixed at two places to simultaneously tilt two handles leftward or rightward, the main rotary shaft of the front wheel is mounted on a footrest section, and a high elasticity compound recovery member is connected between the footrest section and a rear wheel rotary shaft in a longitudinal direction to be turned leftward or rightward to correspond to a centrifugal force about the rear wheel rotary shaft when tilting occurs during running | 02-26-2015 |
20150054253 | SUSPENSION SYSTEM - A compression assembly/system for a front suspension fork for a bicycle is disclosed. The compression assembly/system of the front suspension fork may comprise a combination of improved functional assemblies including a hydraulic bottom-out assembly/mechanism and a low-speed compression assembly/mechanism and a high-speed compression assembly/mechanism. The compression assembly/system of the front suspension fork may comprise an externally-adjustable hydraulic bottom-out mechanism; and substantially co-located external adjustment controls for bottom-out mechanism and low-speed compression mechanism and high-speed compression mechanism. The compression assembly/system may also comprise an axially-oriented (compression) mechanism configured to transmit movement/adjustment radially from inner components to outer components of the mechanisms to be adjusted. | 02-26-2015 |
20150091271 | SUSPENSION APPARATUS AND SUSPENSION SYSTEM - A first front fork includes an outer tube, an inner tube, a tubular cylinder provided inside the outer tube and the inner tube, a rod member moving relatively in an axial direction of the cylinder and having a space portion inside, which is formed in the axial direction, a piston fixed to an end portion of a wheel side of the rod member and sectioning a space in the cylinder into part of a rebound air spring chamber and an inner air spring chamber and a rod guide fixed to an end portion of a vehicle-body side of the cylinder and sectioning a space in the inner tube into part of the rebound air spring chamber and an outer air spring chamber. | 04-02-2015 |
20150137476 | Steering and Suspension Systems - A vehicle suspension system includes a spring, a neck assembly, and a rod. The neck assembly has an outer shell housing a hollow stem having an upper end and a lower end. The stem is rotatable respect to outer shell. The upper end is coupled to an upper bracket having a control arm pivotally coupled thereto. The lower end is coupled to a lower bracket having a linkage pivotally connected thereto. The rod has a first end coupled to the spring and a second end coupled to the linkage. The rod extends through the hollow stem. The linkage is further coupled to a wheel assembly. | 05-21-2015 |
20150307152 | VEHICLE STEERING SYSTEM - A vehicle including a body, a first and second swing arm assembly each pivotally mounted to the body, at least one wheel support arm pivotally mounted to the first swing arm assembly, an axle coupled to the wheel support arm, a wheel hub pivotally mounted to the axle, the wheel hub rotatably supporting at least one wheel in use, a support member pivotally mounted to the second swing arm assembly and either the wheel support arm or the first swing arm assembly. At least one steering arm pivotally connected to the support member and coupled to the wheel hub, wherein the steering arm, wheel support arm, and the support member are provided in a substantially triangular arrangement, a steering input pivotally mounted to the body and a steering coupling for connecting the steering arm to the steering input. | 10-29-2015 |
20150307153 | SUSPENSION AND STEERING ASSEMBLY - A suspension and steering assembly is provided for a vehicle. The assembly comprises a steering means mounted on a vehicle frame; a steering mechanism comprising an upper link connected to the steering means; and a steering stem having a top section connected to a lower link of the steering mechanism; a steering tube having an upper and a lower portion; an upper control arm having a first extremity connected to a middle section of the frame, and a second extremity connected to the upper portion of the steering tube; a lower control arm having a first extremity connected to a lower section of the frame, and a second extremity connected to the lower portion of the steering tube; the steering stem mounted inside the steering tube; and a wheel fork having a lower section for receiving a wheel of the vehicle and an upper section connected to the steering stem. | 10-29-2015 |
20150329169 | SUSPENSION SYSTEM FOR THE FRONT WHEEL OF SINGLE-TRACK TWO- WHEELED VEHICLES NAMELY MOTORCYCLES AND BICYCLES - A linkage front wheel suspension system for two-wheeled vehicles comprising of a control arm hinged with the body of the vehicle, fork member, and steering member. An upper ball joint connects said steering member to the body of the vehicle and a lower ball joint connects the outer end of said control arm with said fork member. Fork member extends upwards and rearwards from said lower ball joint to hinge with said steering member. Steering member extends upwards and forwards from this pivot point to said upper ball joint. A method of steering control connects with said steering member. Means of springing/dampening connects with at least one of the said steering/suspension members. Said suspension system can utilise a lighter design of main frame, provide superior road-holding and can have reduced compression when front wheel braking. | 11-19-2015 |
20150353163 | FLEXIBLE MEMBERS AND FLEXIBLE MEMBER ATTACHMENT POCKETS FOR A VEHICLE SUSPENSION SYSTEM - This invention relates to a vehicle suspension system where two or more flexible members are arranged in a non-planar way with a distance there between. These flexible members are being rigidly mounted between a frame structure of a vehicle and a wheel structure of the vehicle and the arrangement of the flexible members is so as to provide guided suspension and being resistive against forces other than those in the intended direction of the suspension movement. | 12-10-2015 |
20150362075 | SEAL MEMBER AND FRONT FORK PROVIDED WITH SEAL MEMBER - A seal member includes an annular fitting part and an annular dust lip. The fitting part fits on an inner circumference of a tubular member. The dust lip extends from the fitting part toward a side opposite from the tubular member such that a diameter of an inner circumference of the dust lip gradually decreases, and a distal end portion of the dust lip slides on an outer circumferential surface of a shaft member. A metal insert includes a reinforcing ring and a reinforcing extension piece. The reinforcing ring stands along the inner circumference of the tubular member. The reinforcing extension piece extends from the reinforcing ring toward a side opposite from the tubular member, and inclines such that a distal end of the reinforcing extension piece approaches the shaft member. The reinforcing ring is arranged in the fitting part, whereas the reinforcing extension piece is arranged in the dust lip. | 12-17-2015 |
20160001846 | SUSPENSION SYSTEM - A system/assembly for a suspension fork for a bicycle is disclosed. A suspension system for use in a vehicle is also disclosed. A front suspension fork for a bicycle such as a mountain bike configured to contain a hydraulic fluid for fluid flow and in a flow path providing for compression damping and for rebound damping is also disclosed. A damper assembly configured to contain a hydraulic fluid for fluid flow in a flow path is also disclosed. The assembly/system generally comprises a set of inventive concepts/inventions (combination of inventive features) including (but not specifically limited to): (1) an externally-accessible adjustment mechanism; and (2) internal floating piston. The compression assembly/system of the suspension fork comprises a combination of improved functional assemblies including (but not limited to) an adjustment mechanism (e.g with a “travel-adjust” setting) operating through flow control elements; the compression assembly can be adjusted to a “travel adjust” setting (with a reduced stroke length) and either of a “neutral” setting or “descend” setting with progressively less resistance in the fluid flow circuit. The rebound assembly/system of the suspension fork comprises a combination of improved functional assemblies including (but not limited to) an adjustment mechanism; the rebound assembly can be adjusted in a range between a “quick” setting and a “slow” setting (corresponding to relative system response speed in rebound to restore stroke length) operating through flow control elements. | 01-07-2016 |
20160001847 | SUSPENSION SYSTEM WITH A TUNABLE AIR SPRING - This invention relates to vehicle suspension systems and devices, and particularly to vehicle suspension systems and devices having an air spring with adjustable and/or tunable characteristics. The vehicle suspension may generally include features for modifying the spring rate of an air spring, such as, for example, to increase initial suppleness and to decrease spiking during later portions of travel. In an exemplary aspect, the fork may include features for decreasing the initial volume of the air chamber of the positive air spring during the initial part of travel and may further include features for expanding the air chamber of positive air spring during a later part of travel. | 01-07-2016 |
20160052589 | FRONT FORK - A front fork includes a pair of dampers standing on both sides of a wheel. One of the pair of dampers is a magnetic viscous fluid damper configured to use a magnetic viscous fluid whose viscosity is changed by an action of a magnetic field as a working fluid, while the other of the pair of dampers is a liquid-pressure damper configured to use a liquid such as oil, water, an aqueous solution and the like as the working fluid. | 02-25-2016 |
20160083041 | MOTORCYCLE SUSPENSION - A motorcycle suspension comprising a fork having a steering bar suitable for connecting mechanically to a steering mechanism of a motorcycle, an oscillating bar having a first end at which it forms a junction with said steering bar, and a second end at which it connects to a support which houses a rotation pin of an associable wheel so as to turn, said rotation pin defining a rotation axis for the wheel itself. The suspension comprises a shock absorber unit which extends from an attachment head, at which it is mechanically connected to the steering bar, to an attachment foot, at which it is connected to the support. Advantageously, the shock absorber unit, at the attachment foot, connects to the support by the interposition of mechanical coupling means having a hinge axis which is contained in a plane perpendicular to the rotation axis of the wheel. | 03-24-2016 |
20160167729 | FORK ASSEMBLY WITH ELECTROVALVE | 06-16-2016 |