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7614972 |
Bicycle rear derailleur
A bicycle base member adjustment assembly is provided for a base member of a rear derailleur. The bicycle base member adjustment assembly basically has a base member stopper plate, a biasing force...
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7611430 |
Transmission system for a bicycle, and bicycle incorporating same
A transmission system includes transmission case having a work opening formed therein and configured to avoid the necessity for enlarging a transmission case, to prevent an increase in weight and...
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7597638 |
Transmission
A transmission including an input cog assembly mounted to an input shaft and an output cog assembly mounted to an output shaft. The input and output cog assemblies include a plurality of varying...
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7585237 |
Bicycle component with axle fixing structure
A bicycle component is configured with an axle fixing structure. In the preferred embodiment, the bicycle component is an electric derailleur. The bicycle component has a base member rotatably...
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7572199 |
Mechanism for adjusting spring tension in a derailleur
A mechanism for adjusting spring tension at a derailleur head mountable to a bicycle frame having a limiting stop, includes an orienting washer rotatably mounted to the bicycle frame and having a...
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7563186 |
Gearshift control device for a chain and sprocket transmission system
A gearshift control device for a chain and sprocket transmission system including a gearshift member that is movable along a transverse direction relative to the plane defined by the chain, a...
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7553247 |
Electronically servo-assisted bicycle gearshift and related method
A method for electronically servo-assisting a bicycle gearshift, including the steps of: a) driving an actuator of a bicycle gearshift to displace a chain of the gearshift in an axial direction...
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7549662 |
Bicycle change gear mechanism
The bicycle gear mechanism, in particular a rear wheel change mechanism, comprises a derailleur provided with a drive chain guide element. The derailleur comprises: an arm ( 2 ); a first attachment...
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7547263 |
Apparatus for adjusting a position of a bicycle control device
An apparatus for adjusting a position of a bicycle control device comprises a memory that stores a plurality of operating position values corresponding to a plurality of operating positions, a...
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7527571 |
Rear derailleur for bicycle
The rear bicycle derailleur guides a chain to one of a plurality of rear sprockets. The rear derailleur includes a base member, a linkage assembly, a movable member, a chain guide, a biasing...
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7520831 |
Gear-shifting apparatus, and bicycle incorporating same
A gear-shifting apparatus is provided which does not require a position of a chain to be set with high precision, and which reduces a risk of the chain coming off an adjacent sprocket due to a...
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7503863 |
Bicycle derailleur motor unit assembly
A bicycle front derailleur motor unit assembly is provided that includes a motorized front derailleur mounting member and a motor unit. The front derailleur mounting member is configured to be...
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7503862 |
Transmission with internal protective shield and bicycle incorporating same
A transmission includes a ball spline mechanism having an outer member which can rotate integrally with an inner member by means of balls housed in guide grooves and which can move in the axial...
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7497793 |
Bicycle derailleur
Disclosed herein is a derailleur for a chain bicycle designed to move forward with either forward or reverse rotation of the bicycle's pedals. The chain bicycle comprises a single endless chain,...
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7467567 |
Gear reduction apparatus for a bicycle component
A gear reduction apparatus for a bicycle component comprises a gear support, a first gear coupled to the gear support for receiving rotational drive force from a drive component, and a second gear...
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7442136 |
Motorized bicycle derailleur assembly
A motorized bicycle front derailleur assembly is provided that includes a motor unit, a front derailleur and a motor linkage. The motor unit is configured to rotate an output shaft in first and...
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7438658 |
Bicycle front derailleur
A bicycle front derailleur includes a chain guide that is provided with a pushing element that is movable relative to the chain guide to assist in shifting a bicycle chain from a smaller front...
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7438657 |
Bicycle front derailleur
A bicycle front derailleur includes a fixing member, a chain guide and a linkage mechanism. The fixing member includes axially aligned first and second attachment flanges. The linkage mechanism...
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7396304 |
Bicycle rear derailleur
A bicycle rear derailleur is provided that includes a base member, a movable member with a chain guide and a linkage mechanism. The linkage mechanism is coupled between the base member and a...
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7381142 |
Gear shift device for bicycles
A motorized bicycle gear shift device comprising a derailleur and an electric motor, associated directly with the derailleur, for controlling the derailleur and an electric transducer of absolute...
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7373232 |
Method for carrying out a multiple gear-shifting in an electronically servo-assisted bicycle gearshift and related gearshift
An electronically servo-assisted gearshift actuates a multiple gear-shifting that moves a chain from a current toothed wheel to a target toothed wheel not immediately adjacent to the current...
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7361109 |
Bicycle gear set
A bicycle gear assembly has first and second sets of cog wheels, each having at least three cog wheels of various sizes including a largest cog wheel and a smallest cog wheel. These two sets are...
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7354362 |
Rocker arm assembly for the rear derailleur of a bicycle
Rocker arm assembly for the rear derailleur of a bicycle, comprising an outer plate carrying a pivot pin, an inner plate and a pair of idle transmission wheels arranged between the outer plate and...
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7341532 |
Electric derailleur motor unit
An electric derailleur motor unit is provided for a motorized derailleur assembly. The electric derailleur motor unit has a derailleur motor support, a derailleur motor and an output shaft. The...
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7331890 |
Motorized front derailleur mounting member
A motorized front derailleur mounting member is provided with a bicycle frame mounting portion, a front derailleur mounting portion, and a motor unit mounting portion. The bicycle frame mounting...
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7326137 |
Gear for a bicycle
The invention relates to a compact installation gear with, for instance, a ⅜″ derailleur chain and a derailleur for setting a transmission ratio between a crankshaft and a rear hub of a...
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7320655 |
Bicycle derailleur with a misalignment inhibiting structure
A bicycle derailleur comprises a first base member structured to be detachably mounted to a bicycle frame, wherein the first base member has a first abutment; a second base member structured to be...
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7318784 |
Bicycle derailleur
An apparatus for achieving the return of a chain to a rear derailleur tension pulley more easily by means of pedaling action when the chain falls off from the tension pulley is provided. The rear...
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7306531 |
Electric bicycle derailleur
An electric derailleur has a motor unit having a derailleur motor with an output shaft, a position control mechanism and a controller. The output shaft is rotated through a moveable range including...
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7291079 |
Motorized front derailleur assembly with saver arrangement
A motorized bicycle front derailleur assembly is provided with an arrangement to protect the motor in the event the chain guide is stuck in one of the shift positions. The motorized bicycle front...
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7288038 |
Bicycle shift control apparatus with preferential shifting
A shift control apparatus is provided for a bicycle that has a front transmission and a rear transmission, wherein each transmission has a plurality of gear steps. The apparatus comprises a travel...
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7285064 |
Bicycle gear shifting control apparatus
A bicycle gear shifting control apparatus has a manually operated shift device, a first gear shifting operation executing component, and a second gear shifting operation executing component. The...
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7264256 |
Bracket assembly for a motor controlled bicycle transmission
A bracket assembly for mounting a motor or other control device to a bicycle frame includes a bracket base for supporting the control device at least partially above a chain stay, and a bracket...
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7258637 |
Bicycle transmission
A bicycle transmission is configured and arranged to improve the durability of the transmission. The transmission basically has a transmission operating device, a support structure, a front input...
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7252608 |
Automatic transmission having at least two conical disk sets
An automatic transmission ( 1 ) is described, having a variator ( 5 ) that comprises at least two conical disk sets ( 2, 3 ), such that a wrap-around element ( 4 ) is guided via the conical disk...
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7219574 |
Hydraulic gear shift mechanism
A shift control device is described. The shift control device is attachable to the handlebar of a bicycle for controlling the piston of a hydraulic shift mechanism and includes a bracket attachable...
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7207912 |
Bicycle shift control apparatus that prevents undesirable chain angles
A shift control apparatus is provided for a bicycle having a plurality of front sprockets and a plurality of rear sprockets, wherein a front derailleur shifts a chain among the plurality of front...
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7189172 |
Rear derailleur with a threaded member for mounting the derailleur to a bicycle frame
A derailleur comprises a base member including an engagement member for nonrotatably engaging the bicycle frame; a threaded member coupled to the base member for engaging a threaded shaft; a chain...
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7186194 |
Bicycle front derailleur
A front derailleur has a base member adapted to be coupled to a bicycle frame, a chain guide, first and second pivotal links coupled between the base member and the chain guide, and a biasing...
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7144027 |
Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio
A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor...
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7137314 |
Hydraulic gear shift mechanism
A hydraulic gear shift mechanism for a bicycle having a positioning mechanism for controlling the motion of the piston of a master cylinder assembly is disclosed, wherein the master cylinder...
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7125354 |
Bicycle derailleur with a chain guide disposed at an upper portion of a link mechanism
A bicycle derailleur comprises a base member structured to be mounted to a bicycle frame; a link mechanism having a first portion and a second portion, wherein the first portion of the link...
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7121968 |
Process for controlling gear shifting in a cycle, and corresponding systems and components
A system for controlling gear shifting in a transmission of a cycle, includes at least one gear wheel or sprocket on which a transmission element is engaged to perform transmission of motion as a...
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7090603 |
Rear derailleur with a shock absorber disposed between a base member and a mounting member
A bicycle derailleur comprises a mounting member adapted to be mounted to a bicycle frame, a base member pivotably mounted relative to the mounting member, a biasing mechanism that biases the base...
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7059983 |
Multiple sprocket, multiple function chain guide
Chain guides for the front sprockets of bicycles are disclosed. More particularly, the chain guides are adapted or configured for bicycles that have multiple (usually 2 or 3) sprockets/chain rings...
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7048660 |
Bicycle derailleur with a flexible base member
A bicycle derailleur comprises a base member, a link mechanism coupled to the base member, and a chain guide coupled to the link mechanism so that the chain guide moves relative to the base member...
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7025698 |
Front derailleur with annular chain guide, bicycle and method of operation
A front derailleur including an annular chain guide for engagement and disengagement of a bicycle chain with multiple chain rings of a crankset. The annular chain guide may be positioned by linear...
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7014584 |
Top pull type front derailleur
A top pull type front derailleur is designed to move or shift a chain between two or more sprockets for changing gears. The front derailleur basically has a bicycle frame clamping band, a linkage...
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7011590 |
Shift assist apparatus for a bicycle transmission
An assisting apparatus for using power from a moving member to assist the operation of a bicycle transmission comprises a power transfer mechanism, a drive coupling mechanism, and a position...
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6997835 |
Electrically operated derailleur with power storing mechanism
A rear derailleur for a bicycle includes a base member for attaching the rear derailleur to the bicycle, a movable member for supporting a chain guide, and a linkage mechanism coupling the base...
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