Class / Patent application number | Description | Number of patent applications / Date published |
280284000 | Rear forks | 85 |
20080238030 | Bicycle frame - A bicycle frame has a front frame, a mounting bracket assembly, a rear frame and a shock absorbing device. The front frame has a head tube, a down tube, a top tube, a bottom bracket shell and a seat tube. The seat tube is connected to bottom bracket shell, is connected to the rear end of the top tube and has an upper bracket seat, a connecting bracket and a lower bracket seat. The mounting bracket assembly is connected pivotally to the front frame and has two front mounting brackets and a rear mounting bracket. The rear frame is connected pivotally to the mounting bracket assembly and the front frame and has an upper fork, a lower fork and two dropouts. The shock absorbing device is connected to the front frame, the rear frame and the mounting bracket assembly and has a first shock absorber and a second shock absorber. | 10-02-2008 |
20080238031 | Bicycle frame - A bicycle frame has a front frame, a mounting assembly, a rear frame and a shock absorber. The front frame has a head tube, a down tube, a top tube, a bottom bracket shell and a seat tube. The seat tube is connected to bottom bracket shell, is connected to the rear end of the top tube and has an upper bracket seat, a connecting bracket and a lower bracket seat. The mounting assembly is connected pivotally to the front frame and has two mounting brackets. The rear frame is connected pivotally to the mounting assembly and front frame and has an upper fork, a lower fork and two dropouts. The shock absorber is connected to the front frame and the mounting assembly. | 10-02-2008 |
20080252040 | BICYCLE REAR WHEEL SUSPENSION SYSTEM - A bicycle frame assembly having a number of rotatable members configured to absorb shocks and impacts associated with operation of the bicycle. The assembly includes a frame constructed to support a rider and a chain stay having a rearward end that extends toward a wheel hub and a forward end that is pivotably connected to the frame. An absorber is pivotably connected to the forward end of the chain stay and extends to a rocker arm that is pivotably connected to the frame. A seat stay is pivotably connected to a rearward end of the rocker arm and extends to the rearward end of the chain stay. The rearward ends of the seat stay and the chain stay are pivotably connected to rotate about a common axis. | 10-16-2008 |
20080258427 | REAR SUSPENSION SYSTEM FOR BICYCLES - This application relates to rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. The seat tube orientation ensures that the seat is movable between optimum biomechanical positions for both uphill pedaling and aggressive downhill freeriding. Additionally, the seat tube and rear suspension system are configured so that the rear wheel and rear suspension will not contact the seat tube, seat, or bicycle rider even when the rear suspension system is in a fully compressed, forward position. The shock absorber is preferably oriented in an orientation to maximize its stroke length. For example, the shock absorber may be oriented generally parallel to a top tube of the bicycle frame. | 10-23-2008 |
20080303242 | BICYCLE REAR SUSPENSION SYSTEM - A bicycle rear wheel suspension system includes an upper link and a lower link both pivotally attached to the frame and to a rear stay member. An instantaneous center of rotation of the rear stay member is defined at an intersection between an upper axis extending through first and second pivots of the upper link and a lower axis extending through third and fourth pivots of the lower link. Throughout a travel distance of a shock absorber of the suspension system, the instantaneous center of rotation remains below an average chain torque line of the bicycle, the lower axis remains above an axle axis extending through the rear wheel axle, and a portion of the lower axis defined between the third and fourth pivots extends below the average chain torque line. | 12-11-2008 |
20090026728 | BICYCLE REAR SUSPENSION - A twenty-nine inch wheel bicycle frame includes substantially rigid front and rear triangles that are pivotally connected to one another by a pair of linkages. The frame is designed so that chain tension urges the linkages to pivot in opposite directions, while bumps urge the linkages to pivot in the same direction. | 01-29-2009 |
20090045601 | BICYCLE DERAILLEUR SYSTEM - A bicycle derailleur assembly that is mounted concentrically with an axle of a rear wheel assembly. The derailleur is constructed to be mounted to the bicycle such that the derailleur is pivotable about a common axis with the rear wheel and such that the rear wheel can be removed from the bicycle without interfering with the connection of the derailleur to the bicycle. The derailleur system provides a derailleur that is robust and reduces interference of the derailleur with the performance of bicycle maintenance. | 02-19-2009 |
20090102158 | Bicycle Rear Suspension - Rear suspension for a bicycle comprising a rear swing arm ( | 04-23-2009 |
20090212528 | BICYCLE DAMPING ENHANCEMENT SYSTEM - A bicycle shock absorber and methods for differentiating between rider-induced forces and terrain-induced forces includes a first fluid chamber having fluid contained therein, a piston for compressing the fluid within the fluid chamber, a second fluid chamber coupled to the first fluid chamber by a fluid communication hose, and an inertial valve disposed within the second fluid chamber. The inertial valve opens in response to terrain-induced forces and provides communication of fluid compressed by the piston from the first fluid chamber to the second fluid chamber. The inertial valve does not open in response to rider-induced forces. | 08-27-2009 |
20090250897 | FORCE CHANNELING MOUNTAIN BIKE REAR SUSPENSION - An innovated rear suspension system for mountain bikes that includes five structural tubes—a force channeling tube, a front stabilizing tube, a rear stabilizing tube, a top tube, and a seat tube—connected to form an irregular polygon; reinforced with gussets, a torque conversion device pivotally connected to a compression strut, a shock-absorbing element and the force channeling tube, which transfers force or shock from the compression strut to the shock-absorbing element. The shock-absorbing element pivotally connected at the front to a pair of shock mounts attached to the force channeling tube absorbs and compresses force from the torque conversion device and transfers the force to the force channeling tube. The upward and forward direction of the force channeling tube guides the force along the force channeling tube propelling the bicycle and the rider forward, reducing jacking and efficiently utilizing pedal forces. | 10-08-2009 |
20090261556 | Bicycle Rear Suspension System Linkage - A bicycle rear suspension system includes a main frame and a rear wheel suspension system. The main frame generally comprises a seat tube, a down tube, a top tube, and a head tube. The rear wheel suspension system comprises a first linkage member, a rear wheel swingarm, and a second linkage member. The first linkage member is shorter than 15 mm from its pivotal connection to the main frame and its pivotal connection to the rear wheel swingarm, and changes its direction of rotation as the rear wheel is articulated generally vertically. The rear wheel suspension system allows for a preferential rear wheel axle travel path that provides for increased rates of chainstay lengthening in the first part of the vertical rear wheel travel with a rapid change to reduced chainstay lengthening in the latter part of the vertical rear wheel travel so that the overall change in chainstay length is small relative to the amount of vertical rear wheel travel. | 10-22-2009 |
20090261557 | Bicycle Rear Suspension System - A bicycle comprising a front triangle, a rear wheel suspension system and a rear wheel in articulating relation thereto, wherein said rear wheel suspension system articulates said rear wheel along a non-arcuate travel path such that said rear wheel suspension system compression causes a shock rate, as defined by a change in shock length over a change in rear wheel travel distance, to vary such that the rate of change of said shock rate changes sign at least twice and varies by no more than 15% and the overall rate of chainstay lengthening for the bike is at least 10% of overall vertical wheel travel. | 10-22-2009 |
20090278331 | Bicycle Rear Wheel Suspension System with Controlled Variable Shock Rate - The present invention is a bicycle including a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system includes a rear wheel swingarm and a shock absorber that is engaged to the swingarm to control the motion of a rear wheel of the bicycle. A change in the vertical wheel travel (ΔVWT) of the rear wheel is related to a change in the length of the shock absorber (ΔSL), providing a shock rate (SR) according to the relationship: | 11-12-2009 |
20090283986 | REAR FORK - A rear fork for a rear suspension bicycle having a ground link, the rear fork has a front frame, a rear frame, input links, a shock absorber, coupler links, follower links, a brake mount and a connecting shaft. The input links are mounted pivotally on the ground link and are connected to the shock absorber that is mounted on the ground link. The coupler links are connected to the input links and terminate in dropouts being mounted thereon. The followers are mounted rotatably on the dropouts and pivotally to at least one link mount being connected to the ground link. The brake mount is pivotally mounted adjacent to a non-drive side dropout and has a caliper mounted thereon. The connecting shaft is connected to the ground link and the brake mount to prevent a shock absorbing force of the rear fork from interfering with a braking force of the caliper. | 11-19-2009 |
20090315296 | SUSPENSION FOR MOUNTAIN BICYCLES - A rear wheel suspension for bicycles has a link connecting the chainstay, or swingamm, to the lower damper or shock absorber mount. This link allows the requirements of the rider to manipulate the suspension and geometry available for various conditions. In this way, the suspension characteristics, such as spring rate, rising rate, and wheel travel, will automatically change in accordance with the rider's needs. | 12-24-2009 |
20090322055 | BICYCLE SUSPENSION - A suspension system for a bicycle comprising a rear wheel mounting member ( | 12-31-2009 |
20100007113 | Rear suspension system for bicycles - A rear suspension system for bicycles includes a front triangle, a rear triangle and a shock absorbing unit pivotably connected between the front and rear triangles to allow the rear triangle to move at a regulated rate with regard to the front triangle. The seatstays of the rear triangle have two dropouts and two extension portions on two opposite ends thereof. The two dropouts each have a notch for engaging with a rear wheel shaft. The extension portions are pivotably connected to the shock absorbing unit and the front triangle. The chainstays have two respectively first ends thereof pivotably to the dropouts at two pivot points and two respective second ends pivotably connected to the seat tube. The pivot points are located above or on a line between a center of the bottom bracket and a center of the notches in the dropouts. | 01-14-2010 |
20100059965 | Bicycle suspension system employing highly predictable pedalling characteristics - A bicycle rear suspension system that includes a main frame and a rear wheel suspension system, the main frame generally is comprised of a seat tube, a down tube, a top tube, and a head tube. The rear wheel suspension system consists of a first linkage member, a rear wheel swingarm, and a second linkage member. The rear wheel suspension system allows for a preferential linear decrease in rate of chainstay lengthening combined with a preferential linear decrease in rate of acceleration anti-squat with the value of 100% anti-squat occurring at the statically weighted sag point. | 03-11-2010 |
20100102531 | BICYCLE REAR SUSPENSION SYSTEM WITH CONTROLLED VARIABLE SHOCK RATE - A bicycle comprises a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system comprises a rear wheel swingarm and a shock absorber that is coupled to the swingarm. A change in vertical wheel travel (ΔVWT) of the rear wheel is related to a change in the length of the shock absorber (ΔSL), providing a shock rate (SR). The shock rate (SR) changes throughout the vertical wheel travel of the rear wheel, such that the change in the shock rate dSR/dVWT has a change in sign as the rear wheel travels through its vertical wheel travel. In each case, the rate of change of the shock includes a change in sign, from positive to negative or from negative to positive. In some embodiments, the swingarm may be attached to the frame at a single pivot point or through a linkage system. | 04-29-2010 |
20100109282 | Bicycle suspension systems - The invention relates to suspension systems comprising, in certain embodiments, a linkage arrangement including a shock link, wheel link, rate link, and first shock pivot, positioned so that a first shock pivot is moved in a downward and rearward direction as the suspension is compressed, while said wheel link and shock link rotate in opposite directions, and so that a leverage ratio is tactically controlled through said linkage arrangement. | 05-06-2010 |
20100181742 | CHAIN ADJUSTMENT APPARATUS FOR MOTORCYCLE - A chain adjustment apparatus for a motorcycle includes a substantially C-shaped adjustment recess formed in an end piece member attached to a rear end portion of a rear fork. An adjustment member is slidably fitted in the adjustment recess. The adjustment member includes a projecting member having a substantially V-shaped projecting slope, and a recessed member having a substantially V-shaped recessed slope. The projecting member fits in the recessed member. When a wheel axle is passed through the adjustment member and the end piece member, the projecting member is brought into wedged engagement with the recessed member by axial force on the wheel axle, and upper and lower split bodies of the recessed member are moved, and pressed onto upper and lower face walls of the end piece member for increasing a coupling rigidity of the adjustment member with the end piece member. | 07-22-2010 |
20100213685 | BICYCLE DROPOUT ASSEMBLY - A bicycle wheel dropout assembly that includes a split component axle mount assembly. An inboard and an outboard component of the axle mount assembly cooperate with overlapping portions of a respective seat stay and chain stay and are rotatably engaged therewith. An axle passes between adjacent mount assemblies and is offset with respect to an axis of rotation of the respective mount assemblies. The axle mount assemblies secure the overlapping portions of the seat stay and the chain stay relative to one another and support the axle in a manner that is convenient for drive train maintenance and/or servicing. | 08-26-2010 |
20100244402 | REAR SUSPENSION SYSTEM FOR A BICYCLE - A bicycle may include a rear suspension system to absorb forces impacting on the bicycle by allowing a rear wheel of the bicycle to be displaced relative to the bicycle frame. Upon displacement of the rear wheel, the rear suspension system allows the rear wheel to move from a general first position to a second position, and then acts to return the rear wheel to the general first position. The rear suspension system may be adjusted in some versions to affect the travel path of the rear wheel as well as the leverage ratio curve to suit the rider's preference. The bicycle may include a rear frame couple with a front frame through first and second pivot translating assemblies, the orientations and/or shapes of which affect the rear wheel path as well as the leverage ratios. | 09-30-2010 |
20100327553 | BICYCLE SHOCK WITH EXTENSION ARMS - A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame. | 12-30-2010 |
20100327554 | BICYCLE ASSEMBLY WITH GUSSET - A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. The mainframe can comprise a series of tubes including a head tube, a top tube, a bottom tube and a seat tube. The shock can connect to the main frame at a gusset connected to the top tube and the bottom tube. | 12-30-2010 |
20100327555 | BICYCLE ASSEMBLY WITH REAR SHOCK - A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame. | 12-30-2010 |
20100327556 | BICYCLE ASSEMBLY WITH REAR SHOCK - A bicycle assembly can have a main frame, a sub-frame, a main shock section, an extension section, and a fastener. The sub-frame can move in relation to the main frame and the main shock section can be used to regulate that relationship. The extension section can have a receiving portion, wherein an end of the main shock section can fit into the receiving portion. The fastener can be used to secure the main shock section within the receiving portion of the extension section. | 12-30-2010 |
20110018227 | SHOCK ABSORBER - There is described a shock absorber strut for a bicycle, comprising a piston ( | 01-27-2011 |
20110018228 | Bicycle Rear Suspension Linkage - A bicycle comprising a front triangle and a rear wheel having a rear wheel axis, a rear wheel suspension system further comprising a link further comprising a first pivotal axis for connection to said front triangle and a second pivotal axis for connection to a rear wheel swingarm, wherein the distance from said second pivotal axis to a first vertical plane decreases during a first portion of suspension compression and increases during a second portion of suspension compression; and wherein said first vertical plane is defined as a plane which is perpendicular to the ground and offset in the direction of the rear wheel with respect to the first and second pivotal axis. During the first portion of suspension compression and during the second portion of suspension compression the front triangle remains stationary with respect to the first vertical plane. | 01-27-2011 |
20110140392 | MOVEMENT DAMPING APPARATUS - A movement damping apparatus has magnetorheological fluid that is pressed through a flow path forming a bottleneck in order to dampen a movement. The flow path is divided into at least two flow tracks by a partition that forms an additional friction surface. | 06-16-2011 |
20110187078 | REAR SUSPENSION UNIT FOR AFTER MARKET USE IN FOLDING BIKES - A Rear Wheel Suspension Unit for a folding bike comprising a Rear wheel mounting member pivotally connected to a chassis member and a seat tube/bottom bracket member, through the upper and lower linkage thereby forming a pivoting linkage system and a shock absorber is fitted to upper linkage and the lower fixed bracket to form a fully working rear suspension unit. Further, the unit is designed to be sold as an after market rear suspension for a Folding bike and which can be fitted at the time of purchase or at any time after the purchase. | 08-04-2011 |
20110193316 | BICYCLE REAR SUSPENSION SYSTEM - A bicycle rear suspension system includes a front part including a top tube, a down tube, a head tube and a seat tube. A rear part of the bicycle rear suspension system includes two seat stays and two chain stays. The seat stays have first ends pivotally connected to the dropouts on the first ends of the chain stays and two second ends pivotally connected to a first end of a connection member at a first pivot point. Two second ends of the chain stays are pivotally connected to a bridge between the down tube and the seat tube. A second end of the connection member is pivotally connected to the top tube. A cylinder has a first end pivotally connected to the bridge and a second end pivotally connected to a mediate portion of the connection member at a second pivot point. | 08-11-2011 |
20110233892 | Bicycle Rear Suspension - A bicycle frame includes substantially rigid front and rear triangles that are pivotally connected to one another by a pair of pivoting linkages. | 09-29-2011 |
20110233893 | REAR SUSPENSION SYSTEM FOR BICYCLES - A rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. Additionally, the seat tube and rear suspension system are configured so that the rear wheel and rear suspension will not contact the seat tube, seat, or bicycle rider even when the rear suspension system is in a fully compressed, forward position. | 09-29-2011 |
20110285106 | BICYCLE SHOCK WITH EXTENSION ARMS - A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage connected to the main frame, sub-frame and shock can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms which connect to the linkage. | 11-24-2011 |
20110291382 | REAR SUSPENSION FOR A TWO-WHEEL VEHICLE - The invention relates to a rear suspension for a vehicle such as a bicycle, a motorcycle, or the like, which comprises a chassis referred to as a frame ( | 12-01-2011 |
20120038130 | BICYCLE FRAME WITH REAR SUSPENSION SYSTEM - A shock absorbing bicycle frame includes a front frame unit connected to a bottom bracket shell by which the drive tension is applied to a drive chain, a rear wheel swing arm attached to the front frame unit at a single pivot point and presenting a mounting end to receive a rear axle of a rear wheel. The distance between the mounting end and the bottom bracket shell is variable over the full rear wheel travel. The frame further includes a rear wheel suspension assembly including a compressible shock absorbing unit connecting the rear wheel swing arm to the front frame unit and a chain unit pivotably mounted on the front frame unit, rigidly connected to both the rear wheel swing arm and to the drive chain to maintain the drive chain length over the full rear wheel travel so that the shock absorbing unit is not affected by pedalling forces due to the rider pedalling, the pedalling forces being then not wasted. | 02-16-2012 |
20120056401 | BICYCLE REAR SUSPENSION LINKAGE - A bicycle comprising a front triangle and a rear wheel having a rear wheel axis, a rear wheel suspension system further comprising a link further comprising a first pivotal axis for connection to said front triangle and a second pivotal axis for connection to a rear wheel swingarm, wherein the distance from said second pivotal axis to a first vertical plane decreases during a first portion of suspension compression and increases during a second portion of suspension compression; and wherein said first vertical plane is defined as a plane which is perpendicular to the ground and offset in the direction of the rear wheel with respect to the first and second pivotal axis. During the first portion of suspension compression and during the second portion of suspension compression the front triangle remains stationary with respect to the first vertical plane. | 03-08-2012 |
20120074666 | BICYCLE FRAME - A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body. | 03-29-2012 |
20120133108 | VEHICLE HAVING AT LEAST TWO WHEELS AND A SUSPENDED FRAME, AND EQUIPPED WITH A CARRIER ASSEMBLY - The invention relates to a vehicle having at least two wheels and having a suspended frame, with a carrier assembly designed, in particular, to perform a luggage rack or child seat carrier function. The vehicle includes a front chassis, a rockable rear assembly carrying a driving rear wheel, secured to the chassis via a shock-absorber system and hinged to said chassis about a first pivot point, and a carrier assembly comprising a carrier element having a front end and a rear end, and a support element having a top end and a bottom end. The front end of said carrier element is connected to the chassis, and its rear end is hinged to said top end of said support element about a second pivot point. The bottom end of the support element is hinged to the rockable rear assembly about a third pivot point. During compression of the shock-absorber system, the support element goes from a position in which the third pivot point is situated on a first side of the axis passing through the other two pivot points, to a position in which said third pivot point is situated on a second side of the axis, so that all three pivot points are substantially aligned at at least one stage of compression of the shock-absorber system. | 05-31-2012 |
20120200062 | PIVOT JOINT FOR BICYCLE - A pivot joint for a bicycle frame is described, which includes an inner bearing sleeve concentrically disposed within an outer bearing sleeve. The inner bearing sleeve has an outer bearing surface in rotatably sliding contact with an inner bearing surface of the outer bearing sleeve, such that the inner and outer bearing sleeves are rotatable relative to each other about a central pivot axis to permit relative rotation of the components joined by the pivot joint. Each of the inner and outer bearing surfaces includes a substantially axially extending region and at least one angled bearing region that defines an angled raceway surface thereon. The angled raceway surfaces are disposed at an angle relative to the central pivot axis and meet in bearing engagement with each other to define a slip plane disposed at the same angle. | 08-09-2012 |
20120223504 | BICYCLE REAR SUSPENSION - Rear suspension for a bicycle which includes a rear swing arm ( | 09-06-2012 |
20120280470 | BICYCLE REAR WHEEL SUSPENSION SYSTEM - A bicycle frame assembly having a number of rotatable members configured to absorb shocks and impacts associated with operation of the bicycle. The assembly includes a frame constructed to support a rider and a chain stay having a rearward end that extends toward a wheel hub and a forward end that is pivotably connected to the frame. An absorber is pivotably connected to the forward end of the chain stay and extends to a rocker arm that is pivotably connected to the frame. A seat stay is pivotably connected to a rearward end of the rocker arm and extends to the rearward end of the chain stay. The rearward ends of the seat stay and the chain stay are pivotably connected to rotate about a common axis. | 11-08-2012 |
20120299268 | BICYCLE SHOCK WITH EXTENSION ARMS - A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage connected to the main frame, sub-frame and shock can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms which connect to the linkage. | 11-29-2012 |
20130001918 | BICYCLE REAR SUSPENSION SYSTEM WITH CONTROLLED VARIABLE SHOCK RATE - A bicycle comprises a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system comprises a rear wheel swingarm and a shock absorber that is coupled to the swingarm. A change in vertical wheel travel (ΔVWT) of the rear wheel is related to a change in the length of the shock absorber (ΔSL), providing a shock rate (SR). The shock rate (SR) changes throughout the vertical wheel travel of the rear wheel, such that the change in the shock rate dSR/dVWT has a change in sign as the rear wheel travels through its vertical wheel travel. In each case, the rate of change of the shock includes a change in sign, from positive to negative or from negative to positive. In some embodiments, the swingarm may be attached to the frame at a single pivot point or through a linkage system. | 01-03-2013 |
20130001919 | BICYCLE REAR SUSPENSION SYSTEM WITH CONTROLLED VARIABLE SHOCK RATE - A bicycle comprises a bicycle frame and a rear wheel suspension system that is attached to the frame. The rear wheel suspension system comprises a rear wheel swingarm and a shock absorber that is coupled to the swingarm. A change in vertical wheel travel (ΔVWT) of the rear wheel is related to a change in the length of the shock absorber (ΔSL), providing a shock rate (SR). The shock rate (SR) changes throughout the vertical wheel travel of the rear wheel, such that the change in the shock rate dSR/dVWT has a change in sign as the rear wheel travels through its vertical wheel travel. In each case, the rate of change of the shock includes a change in sign, from positive to negative or from negative to positive. In some embodiments, the swingarm may be attached to the frame at a single pivot point or through a linkage system. | 01-03-2013 |
20130015634 | FRAME STRUCTURE FOR SADDLED VEHICLEAANM Yasuda; KazutoyoAACI Wako-shiAACO JPAAGP Yasuda; Kazutoyo Wako-shi JPAANM Kishikawa; KeisukeAACI Wako-shiAACO JPAAGP Kishikawa; Keisuke Wako-shi JP - A frame structure of a saddle type vehicle that can easily secure the bending strength of welded portions by a structure that seat rails are welded to rear portions of pivot frames, etc. is provided. | 01-17-2013 |
20130020782 | REAR SUSPENSION SYSTEM FOR A BICYCLE - A bicycle may include a rear suspension system to absorb forces impacting on the bicycle by allowing a rear wheel of the bicycle to be displaced relative to the bicycle frame. The rear suspension system may be adjusted in some versions to affect the travel path of the rear wheel as well as the leverage ratio curve to suit the rider's preference. The bicycle may include a frame and a rear suspension system including a swingable member configured for operative association with the frame and including a rear frame including a bottom member and a top member extending upwardly from the bottom member, such that the top member of the rear frame does not move relative to the bottom member of the rear frame when the swingable member moves. The rear suspension system may also include a link system configured for operative association with the swingable member, the link system including a first link pivotally connected with the swingable member so as to allow the swingable member to swing and a second link slideable along a guide member so as to provide a translational pivoting of the swingable member relative to the frame. | 01-24-2013 |
20130049323 | SWING ARM FOR MINIATURIZED VEHICLE - A pair of left and right arm portions integrally formed by molding with a pivot portion formed on front ends and an axle support portion formed on rear ends. An opening portion with a peripheral portion endlessly contiguously formed by a pivot portion that connects front ends of both arm portions, a cross portion and both arm portions. A pair of left and right indented recessed portions is formed on an inner surface of a wall having support bosses projecting out of a lower surface of the wall. A pair of left and right reinforcing ribs that is positioned outside both recessed portions in the vehicle widthwise direction are integrally formed on the inner surface of the wall on which the support bosses is formed in a projecting manner toward the inside of the cross portion. | 02-28-2013 |
20130093160 | Adjustable Geometry Bicycle Rear Wheel Suspension System - A bicycle rear wheel suspension system having a number of movable suspension links includes a pair of adjustable eccentric pivot assemblies that connect respective members of the movable linkage to the underlying fixed shape portion of the bicycle frame assembly. Each adjustable eccentric pivot assembly is preferably infinitely adjustable within a range of rotation of the respective pivot assembly relative to the underlying bicycle frame to manipulate an orientation of an axis of rotation of the respective movable link relative to the underlying bicycle frame assembly. The pair of adjustable eccentric pivot assemblies is coupled to one another in a manner that creates a dependency between the orientations of the respective eccentric pivot assemblies thereby providing various geometric configurations of the moveable members of the suspension system without changing the leverage ratio provided by the suspension system. | 04-18-2013 |
20130200591 | VALVE AND MOVEMENT DAMPING APPARATUS - A valve is particularly suited for a movement damping apparatus. The valve has a field-generating device, such as a magnet unit, and a fluid that is subjected to the field, such as a magnetorheological fluid, is pressed through a flow path forming a bottleneck. At the bottleneck the fluid is subject to the field and it changes its flow characteristics in response to the field. The flow path is divided into at least two flow tracks by a partition that forms one or more additional friction surfaces. | 08-08-2013 |
20130214507 | BICYCLE FRAME WITH ADJUSTABLE GEOMETRY - A bicycle frame set includes a main frame, a rear wheel suspension pivotally attached to the main frame, and a double eccentric cam assembly disposed within one or more pivot joints between the main frame and the rear wheel suspension. The double eccentric cam assembly includes inner and outer eccentric cams removably fastened together and retained in place within the pivot joint by a removable fastener passing through an aperture in the inner eccentric cam and defining a pivot axis. The aperture is eccentric relative to a perimeter of the inner eccentric cam. The inner cam is received within a correspondingly shaped opening in the outer cam which opening is itself eccentric relative to a perimeter of the outer eccentric cam. A rotational position of each of the cams is thus adjustable, so as to change a relative location of the pivot axis of the pivot joint. | 08-22-2013 |
20130249188 | BICYCLE REAR SUSPENSION SYSTEM - A rear suspension bicycle in which a lower linkage member between the front triangle and the rear wheel swingarm of the bicycle extends a significant distance backward toward the rear wheel. Rear suspension configurations according to the present teachings may exhibit one or more of the following characteristics: (i) the center of curvature of the rear wheel axis of rotation and the instant center of the bicycle may be substantially equidistant from the pedaling axis when the shock absorber is fully compressed, (ii) as the shock absorber is compressed from a fully uncompressed state to a fully compressed state, a rate of change of chainstay length may decrease substantially linearly, and (iii) as the shock absorber is compressed from a fully uncompressed state to a fully compressed state, the acceleration anti-squat value may decrease from a value substantially equal to 100% to a value of substantially equal to zero. | 09-26-2013 |
20130285346 | REAR WHEEL SUSPENSION FOR A VEHICLE, IN PARTICULAR A BICYCLE - A rear wheel suspension for a vehicle, in particular a two-wheeled vehicle, specifically a bicycle ( | 10-31-2013 |
20130341886 | BICYCLE FRAME - A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body. | 12-26-2013 |
20140035256 | VEHICLE SUSPENSION ASSEMBLY - The present invention relates to a vehicle suspension system with a chassis, with a front hydraulic cylinder ( | 02-06-2014 |
20140042726 | SUSPENSION SYSTEM FOR WHEELED VEHICLES - A suspension system for supporting a frame of a vehicle on at least one wheel that is coupled via a chain to a chain ring on the frame. The suspension system includes a structural member supporting an axle of the wheel, a first linkage arm connecting the structural member to the frame, a second linkage arm connecting the structural member to the frame, and a shock absorber coupled between the frame and one of the structural member, the first linkage arm and the second linkage arm. Additionally, the center of curvature (CC) of the axle of the wheel is located within a predetermined radius of a tangent contact point between a tension segment of the chain and the chain ring throughout a range motion of the suspension system. | 02-13-2014 |
20140084565 | TWO-WHEELED MOTOR VEHICLE - A two-wheeled motor vehicle has a rear cushion unit that includes a damper cylinder having one end part linked to a swing arm, a sub-tank connected to the damper cylinder and an adjustment mechanism for adjusting a damping force in response to operation of the operation element is provided between a vehicle body frame and the swing arm. A cylinder body of the damper cylinder, a bottomed housing tube part housing the adjustment mechanism having on an upper end part an operation face on which the operation element is disposed, and the sub-tank are integrally and connectedly provided. The operation face is inclined obliquely upward so that the operation element that faces a region bounded by the seat frame, the pillion step holder mounted on the seat frame and the swing arm when viewed from the side can be operated from obliquely above on the outside. | 03-27-2014 |
20140091552 | MOTORCYCLE - A motorcycle includes a seat supported on a pair of seat frames of a vehicle body frame. A rear wheel is disposed under the pair of seat frames in a side view of the motorcycle, and is swingable in an up-down direction. A damper includes a hydraulic jack to adjust the vehicle height. The pump unit includes a hydraulic pump to feed oil to the hydraulic jack and a vehicle height adjusting motor to drive the hydraulic pump. The vehicle height adjusting motor is located under the seat, and disposed between the pair of seat frames in a plan view of the motorcycle. | 04-03-2014 |
20140103617 | BICYCLE FRAME - A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body. | 04-17-2014 |
20140159338 | VEHICLE FRAME - A vehicle frame, in particular a mountain bike frame or a trekking bicycle frame, comprises main frame element. A rear frame is pivotably connected with the main frame element. A damping element is provided between the rear frame and the main frame element. A first connection point of the damper element is connected with the rear frame and a second connection point of the damping element is connected with the main frame element. For the purpose of changing the frame characteristics, a displacing element is provided for the displacement of the first connection point. The locking of the displacing element is done with the help of an actuator element. | 06-12-2014 |
20140167385 | REAR-WHEEL SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLE - A rear-wheel suspension system for a two-wheeled vehicle includes a pair of right- and left-side center frames; a swing arm; and a shock absorber, wherein the shock absorber includes a tubular buffer and a spring, wherein the intake system part is a curved tubular member, wherein a position of the spring is shifted downwardly so that the intake system part are moved toward an interior of the vehicle body by a dimension corresponding to the spring, wherein a lower end of the intake system part is above the upper end of the spring, wherein a part of the intake system part is closer than an outer end of the spring to the center of the tubular buffer, and wherein the shock absorber and the intake system part are disposed between a pair of right- and left-side center frames. | 06-19-2014 |
20140175771 | SHOCK-ABSORBING SEAT STAY FOR BICYCLE - A shock-absorbing seat stay for a bicycle includes a seat tube connecting mount having a first coupling portion with a first through hole, an extension member, a shock-absorbing member and a fastening unit. The extension member has a second coupling portion with two connecting lugs each having a second through hole in alignment with the first through hole. The shock-absorbing member is made of elastic material and clamped between the first and second coupling portions. The shock-absorbing member is a U-shaped member having two arms each having a third through hole. The fastening unit is inserted in the first through hole, the second though holes and the third through holes to connect the first coupling portion, the second coupling portion and the shock-absorbing member together. The seat stay is light weight and has a proper shock-absorbing function. | 06-26-2014 |
20140183837 | SWINGARM SUPPORTING STRUCTURE FOR MOTORCYCLE - To provide a swingarm supporting structure which can prevent rigidity of a case from becoming excessive and which can improve a degree of freedom of design. The swingarm supporting structure comprises: a case ( | 07-03-2014 |
20140183838 | MOTORCYCLE SUSPENSION SYSTEM - The present invention relates to a suspension system for a motorcycle and to frames incorporating such a suspension system. The suspension system includes a swing arm arranged for pivotal movement about a first pivot axis. The swing arm is also arranged for connection at a second location via respective axle plates to a rear wheel axle of the motorcycle. The swing arm is arranged for connection at a third location to a suspension arrangement in the form of a shock absorber arrangement. The first pivot axis is located between the second and third locations. | 07-03-2014 |
20140217697 | REAR SUSPENSION SYSTEM FOR BICYCLES - A rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. Additionally, the seat tube and rear suspension system are configured so that the rear wheel and rear suspension will not contact the seat tube, seat, or bicycle rider even when the rear suspension system is in a fully compressed, forward position. | 08-07-2014 |
20140265231 | BICYCLE WITH COMPLIANT REAR STRUCTURE - The present invention provides a bicycle comprising wheels and a frame supported on the wheels. The frame includes a seatstay assembly defining a seatstay axis and including a spring assembly having a spring member (e.g., a leaf spring) at an angle of at least 5 degrees relative to the seatstay axis. The spring member has a width that is at least 4 times larger than its thickness. The present invention also provides a bicycle comprising a frame that includes a seat tube and a seatstay assembly defining a seatstay axis. The seatstay assembly includes a spring member offset from the seatstay axis and non-parallel to the seatstay axis. In one embodiment, the seatstay assembly further includes a seatstay tube, and the spring member includes a rear portion secured to the seastay tube. The spring member can also include a front portion secured to a seat tube of the bicycle frame. | 09-18-2014 |
20140312592 | Rear Suspension System for a Bicycle - A bicycle may include a rear suspension system to absorb forces impacting on the bicycle by allowing a rear wheel of the bicycle to be displaced relative to the bicycle frame. The rear suspension system may be adjusted in some versions to affect the travel path of the rear wheel as well as the leverage ratio curve to suit the rider's preference. | 10-23-2014 |
20140361512 | SADDLE-RIDE TYPE VEHICLE - A saddle-ride type vehicle may include a rear cushion that extends upward while one end thereof in a longitudinal direction is connected to a swing arm and that elongates and contracts in the longitudinal direction according to swinging of the swing arm to generate damping force with respect to the swinging of the swing arm, and a rear cushion supporting portion that is provided to a center upper cross frame provided in an upper portion of a vehicle and that supports the other end of the rear cushion in the longitudinal direction. The center upper cross frame is positioned on an extension line of the rear cushion in the longitudinal direction, an opening that penetrates through a horizontal direction is formed in a pivot plates, and in a side view, a rear cushion supporting portion is positioned inside of the opening. | 12-11-2014 |
20150028561 | BICYCLE FRAME - A bicycle assembly can include a bicycle frame that can have a main frame, a sub-frame and a shock absorber. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A extension body can be used to establish a rear pivot point of the shock absorber. In some embodiments, the extension body can also be used to adjust the length of the combined shock absorber and extension body. | 01-29-2015 |
20150069735 | RECIPROCATING RAIL MOVEMENT SUSPENSION SYSTEM - Generally, examples described herein may take the form of a bicycle including a front frame, a rear frame operably associated with the front frame and configured for coupling to a rear wheel, and a suspension system operably associated with the front frame and the rear frame. The suspension system includes a first connection structure operably coupling the front frame to the rear frame and a first sliding body pivotally coupled to the rear frame and configured to travel in a first direction along a substantially linear travel path and in a second direction opposite the first direction along the substantially linear travel path as the suspension system is compressed. | 03-12-2015 |
20150076791 | Bicycle Rear Wheel Suspension System - A bicycle frame assembly having a number of rotatable members configured to absorb shocks and impacts associated with operation of the bicycle. The assembly includes a frame constructed to support a rider and a chain stay having a rearward end that extends toward a wheel hub and a forward end that is pivotably connected to the frame. An absorber is pivotably connected to the forward end of the chain stay and extends to a rocker arm that is pivotably connected to the frame. A scat stay is pivotably connected to a rearward end of the rocker arm and extends to the rearward end of the chain stay. The rearward ends of the seat stay and the chain stay are pivotably connected to rotate about a common axis. | 03-19-2015 |
20150115569 | BICYCLE REAR SUSPENSION WITH A TWO AXIS WHEEL PATH - Disclosed herein are rear suspension systems for bicycles that coupling the rear wheel of the bicycle to the bicycle frame through a swing arm assembly. The structures disclosed herein allow for independent movement of a swing arm assembly in both a vertical and horizontal directions. | 04-30-2015 |
20150130161 | SWING ARM - There is provided a swing arm for a motorcycle. A base section is connected to a chassis framework via a pivot member. A pair of rear-arm sections extend rearwards from the base section. A pair of bracket sections are respectively provided at rear end portions of the rear-arm sections to rotatably support a rear wheel. Each of the bracket sections is formed into a shape including a hole through which an axle of the rear wheel passes, an engaging plane formed at a region surrounding the hole, and a peripheral formation plane positioned to connect with the outer periphery of the rear-arm sections. An inner surface of the peripheral formation plane in the width direction is formed so as to be inclined outwards in the width direction from a side of formation region of the hole towards a front side as viewed from the top. | 05-14-2015 |
20150321726 | Rubber mounted drivetrain stabilizer for motorcycles - A stabilized rubber mounted drivetrain includes a standard rubber mounted drivetrain, further comprising a swingarm pivotal axle, rubber isolators, support brackets; and swingarm stabilizers, which each further include a stabilizer cap, a thrust bearing, and a spacer, such that a swingarm stabilizer is mounted to either end of the swingarm pivot axle. The stabilized rubber mounted drivetrain provides increased stability of the rubber isolators, to ensure the drivetrain is held in place during driving events with lateral forces. The stabilizer cap can include a stabilizer cap head, a stabilizer cap flange, and a stabilizer cap body, and can be machined from one piece of a metal alloy or assembled from separate parts. | 11-12-2015 |
20150360743 | MOUNTAIN BICYCLE WITH REAR SUSPENSION HAVING NEUTRAL BRAKING TRAJECTORY - A rear wheel suspension system pivotably attached to a bicycle. The suspension system has an upper link attached to a main frame at a first pivot point, and a rear stay member attached to the upper link at a second pivot point. A lower link is attached to the main frame at a third pivot point, and is pivotably attached to the rear stay member at a fourth pivot point. A shock absorber is pivotably connected to the upper link and to the main frame. An instantaneous center of rotation (ICR) is defined where an upper axis extending through the first and second pivots intersects a lower axis extending through the third and fourth pivots. The ICR displaces along a trajectory from behind the bottom bracket, through an inflection point at which the upper axis and the lower axis are parallel, to in front of the bottom bracket, as the shock absorber compresses. | 12-17-2015 |
20160083043 | LINK SUSPENSION SYSTEM - A bicycle includes a frame having a longitudinal axis, a first member, and a first pivot link assembly including a first link configured to rotate around a first pivot point. The first pivot point may have a first axis of rotation that is non-orthogonal to the longitudinal axis of the first frame, and the first frame may be coupled with the first member through the first pivot link assembly. Some examples also include a second pivot link assembly including a second link configured to rotate around a second pivot point having an axis of rotation that is non-orthogonal to the longitudinal axis of the frame. | 03-24-2016 |
20160159428 | Rubber mounted drivetrain stabilizer for motorcycles - A stabilized rubber mounted drivetrain includes a standard rubber mounted drivetrain, further comprising a swingarm pivotal axle, rubber isolators, support brackets; and swingarm stabilizers, which each further include a stabilizer cap, a thrust bearing, and a spacer, such that a swingarm stabilizer is mounted to both ends of the swingarm pivot axle. The stabilized rubber mounted drivetrain provides increased stability of the rubber isolators and the swing arm pivotal axle, to ensure the drivetrain is held in place during driving events with lateral forces. The stabilizer cap can include a stabilizer cap head, a stabilizer cap flange, and a stabilizer cap body, and can be machined from one piece of a metal alloy or assembled from separate parts. | 06-09-2016 |
20160251053 | Bicycle Frame Rear suspension with Flexing Frame Segment | 09-01-2016 |
280285000 | Independent wheel mounting | 6 |
20090001686 | REAR WHEEL SUSPENSION SYSTEM FOR A TWO-WHEELED VEHICLE - A rear wheel suspension system for a two-wheeled vehicle is provided. The suspension system includes a rear frame pivotally connected to a main frame by at least an upper linkage and a lower linkage. The linkages are positioned such that the pivotal connection between the rear frame and the lower linkage is forward of the pivotal connection between the main frame and the lower linkage. Further, the rear wheel suspension system includes a biasing member such as a spring or shock absorber which allows the suspension to absorb impacts resulting from obstacles or irregularities in the surface of a terrain. | 01-01-2009 |
20110316250 | Bicycle Sliding Dropout - A bicycle sliding dropout comprising a splitting body and a slider slidably engaging the splitting body. The splitting body comprises an inner body and an outer body, the inner and outer bodies being configured to abut each other vertically and matingly engage via a mechanical interface. | 12-29-2011 |
20110316251 | Bicycle Sliding Dropout with Lockable Slider - A bicycle sliding dropout comprises a slider, the slider comprising an axle receptacle. A body is configured for attachment to a bicycle frame. The body and the slider are configured for slidable engagement relative to one another when operatively associated so that the slider may slide first and second opposite directions relative to the body. The body and the slider further comprise cooperating structures selectively limiting the slidable movement of the slider in a first direction and cooperating structures selectively limiting the slidable movement of the slider in a second direction. | 12-29-2011 |
20120235379 | BICYCLE FRAME WITH ADJUSTABLE SUSPENSION COMPONENTS - A bicycle frame with an improved suspension system. The bicycle frame includes an adjustable dropout assembly that provides adequate shock absorption without affecting or being affected by the chain length or the pedaling action of the bicycle. The bicycle frame includes a uni-axis system that increases the efficiency and performance of the bicycle while eliminating latter movement found in traditional frames. The bicycle frame includes a micro-adjustable suspension system that allows the rider to easily adjust the suspension of the frame to precise measurements quickly and without additional tools. | 09-20-2012 |
20130214508 | SHOCK-ABSORBING BICYCLE FRAME HAVING TWO FLEXIBLE MEMBERS - A shock-absorbing bicycle frame includes a front frame, a rear frame, and a shock-absorbing unit. The rear frame includes a seat stay and a chain stay interconnected to form an angle therebetween. The shock-absorbing unit includes a first flexible member connected removably to the chain stay and the front frame, and a second flexible member connected between the chain stay and the front frame and disposed directly above the first flexible member. The first and second flexible members are deformable in first and second directions, respectively. The first direction intersects the second direction. As such, when subjected to an external force, the first and second flexible members are deformed to absorb shock. | 08-22-2013 |
20190144069 | BICYCLE REAR SUSPENSION SYSTEM | 05-16-2019 |