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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 270 1 2 3 4 5 6 >