Abstract: A motorized bicycle derailleur assembly is provided with a motor unit, a derailleur, and a motor linkage. The motor unit rotates an output shaft in first and second rotational directions to shift the derailleur. The derailleur includes a fixing body, a chain guide and a derailleur linkage operatively coupled between the fixing body and the chain guide to move between a first shift position and a second shift position. The motor linkage is operatively coupled to the output shaft of the motor unit and the derailleur linkage to move the chain guide from the first shift position to the second shift position upon rotation of the output shaft in the first rotational direction and move the chain guide from the second shift position to the first shift position upon rotation of the output shaft in the second rotational direction.

Abstract: 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 derailleur assembly has a motor unit, a front derailleur and a motor linkage. The motor unit has an output shaft that rotates between first and second rotational positions. The front derailleur includes a fixing body, a chain guide, and a derailleur linkage operatively coupled between the fixing body and the chain guide. The motor linkage is operatively coupled to the output shaft and the front derailleur linkage to move the chain guide in response to rotation of the output shaft. The motor linkage includes a jamming protection arrangement that is configured and arranged to move between a force transmitting state and a force override state.

Abstract: 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 portion includes a front surface with a threaded hole configured and arranged to be coupled to a bicycle frame. The front derailleur mounting portion is configured and arranged to be coupled to a linkage of a front derailleur. The front derailleur mounting portion includes at least a first pivot point with a first pivot axis. The motor unit mounting portion configured and arranged to be coupled to a motor unit.

Abstract: 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 derailleur motor is mounted to the derailleur motor support. The output shaft is operatively coupled to the derailleur motor and rotatably supported on the derailleur motor support. The output shaft has an eccentric drive pin that is offset from a rotational axis of the output shaft. A drive train is provided between the derailleur motor and the output shaft. The drive train has at least one intermediate gear operatively coupled to the driving shaft of the derailleur motor and a worm gear operatively coupled to the intermediate gear such that rotation of the driving shaft of the derailleur motor rotates the intermediate gear which in turn rotates the worm gear.

Abstract: A derailleur control apparatus comprises a control unit that receives shift control signals. The control unit provides a first signal to operate the derailleur a first distance from a first sprocket to a second sprocket in response to a first shift control signal received while operating in a riding mode, and the control unit provides a second signal to operate the derailleur a second distance less than the first distance in response to a second shift control signal received while operating in the riding mode.

Abstract: 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 to the handlebar, a pivot shaft, a rotating member, and a control lever. The pivot shaft is spaced apart from the handlebar and fixedly secured to the bracket. The rotating member is rotatable in a first direction and a second direction about the pivot shaft. The control lever is operatively connected with the rotating member and biased in a neutral position.

Abstract: 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 assembly is in communication with a slave cylinder for operation of a derailleur. The positioning mechanism preferably includes a pivot shaft spaced apart from the handlebar, a rotating member rotatable about the pivot shaft, a push mechanism for rotating the rotating member in a first direction and a return mechanism for rotating the rotating member in a second direction. The push mechanism preferably includes a first latch segment which engages a corresponding push pawl to rotate the rotating member. The return mechanism preferably comprises a second latch segment and a return pawl, the return pawl having a first claw and a second claw which alternately engage the second latch segment.

Abstract: A control apparatus is provided for a bicycle shift control device that uses power from a rotating member to assist the operation of a bicycle transmission, wherein the shift control device includes an input transmission member that requests assistance of the rotating member and an output transmission member that is assisted by the rotating member. The control apparatus comprises an input transmission member drive member that moves at least to a neutral position, to an upshift position and to a downshift position; an input drive member position sensor operatively coupled to the input transmission member drive member; and a motor operatively coupled to the input transmission member drive member. A control unit is operatively coupled to the input drive member position sensor and to the motor to move the input transmission member drive member to at least one of the neutral position, the upshift position and the downshift position.

Abstract: 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 maintaining mechanism. The power transfer mechanism moves in one of a first direction and a second direction to upshift the bicycle transmission, and the power transfer mechanism moves in the other one of the first direction and the second direction to downshift the bicycle transmission. The drive coupling mechanism couples the power transfer mechanism to the moving member to move the power transfer mechanism in one of the first direction and the second direction, and the position maintaining mechanism prevents the power transfer mechanism from moving in the other one of the first direction and the second direction.

Abstract: A bicycle electrical control apparatus comprises a first control unit that provides first electrical signals; a second control unit that provides second electrical signals; and an electrical connecting cord having a first end coupled to the first control unit and a second end coupled to the second control unit for communicating the first electrical signals from the first control unit to the second control unit. A first connecting terminal is fastened to one of the first and second ends of the electrical connecting cord, a second connecting terminal is disposed on one of the first and second control units, and the first connecting terminal is detachably connected to the second connecting terminal.

Abstract: A bicycle control device is provided that uses power from a rotating member to assist the operation of a bicycle mechanism, wherein the control device includes an input member that requests assistance of the rotating member and an output member that is assisted by the rotating member, and wherein the input member electrically moves from a first position to a second position and then to a third position. A method of operating the control device comprises the steps of providing an input signal for moving the input member from the first position to the second position and then to the third position; sensing a position of the input member with an input position sensor; and determining whether the input position sensor indicates the input member is in the third position.

Abstract: An electronic shift control apparatus is provided for a bicycle having a transmission with a plurality of speed stages. The apparatus comprises a shift unit that provides signals for shifting the transmission, a restriction selecting unit operated by a user to select a restricted speed stage, and a restricting unit operatively coupled to the shift unit and to the restriction selecting unit. The restricting unit prevents the shift unit from providing signals to shift the transmission to the restricted speed stage.

Abstract: 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 condition sensing unit and a control unit that operates one of the front transmission and the rear transmission in priority to the other one of the front transmission and the rear transmission based on the travel condition.

Abstract: 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 sprockets and a rear derailleur shifts the chain among the plurality of rear sprockets. The apparatus comprises a shift unit that provides signals for shifting the front derailleur and the rear derailleur; and a prohibiting unit operatively coupled to the shift unit and providing signals so that the chain is prohibited from engaging at least one of i) a laterally innermost front sprocket in combination with a laterally outermost rear sprocket, and ii) a laterally outermost front sprocket in combination with a laterally innermost rear sprocket.

Abstract: A bicycle electrical control apparatus comprises a first control unit that provides first electrical signals; a second control unit that provides second electrical signals; and an electrical connecting cord having a first end coupled to the first control unit and a second end coupled to the second control unit for communicating the first electrical signals from the first control unit to the second control unit. A first connecting terminal is fastened to one of the first and second ends of the electrical connecting cord, a second connecting terminal is disposed on one of the first and second control units, and the first connecting terminal is detachably connected to the second connecting terminal.

Abstract: An apparatus for detecting rotation of a bicycle part comprises a casing member comprising a generally annular body structured to be mounted to the bicycle part so that the annular body is incapable of rotating relative to the bicycle part as the bicycle part rotates in opposite directions around a rotational axis. The annular body includes a plurality of circumferentially disposed exposed magnet mounting portions that are concentric with respect to the rotational axis, and a cover member is detachably mounted to the annular body for blocking the plurality of magnet mounting portions.

Abstract: An electrical switch or operating device is disclosed for controlling/operating an electrically controlled bicycle component. In one embodiment, the operating device controls/operates a bicycle shift device and a bicycle suspension. The operating device has a base portion, a toggle portion, a button portion, three electrical contact switches, and a clicking mechanism. The clicking mechanism is positioned in a manner to provide for a compact arrangement of the operating device. The toggle portion is pivotally mounted to the base portion to move from a toggle neutral position to first or second contact positions where the toggle portion depresses either the first or electrical contact switches. The button portion is movably coupled to the toggle portion between a button neutral position where the button portion is spaced from the third electrical contact switch and a third contact position where the button portion depresses the third electrical contact switch.

Abstract: A control apparatus is provided for a bicycle shift control device that uses power from a rotating member to assist the operation of a bicycle transmission, wherein the shift control device includes an input transmission member that requests assistance of the rotating member and an output transmission member that is assisted by the rotating member. The control apparatus comprises an input transmission member drive member that moves at least to a neutral position, to an upshift position and to a downshift position; an input drive member position sensor operatively coupled to the input transmission member drive member; and a motor operatively coupled to the input transmission member drive member. A control unit is operatively coupled to the input drive member position sensor and to the motor to move the input transmission member drive member to at least one of the neutral position, the upshift position and the downshift position.

Abstract: A bicycle control device is provided that uses power from a rotating member to assist the operation of a bicycle mechanism, wherein the control device includes an input member that requests assistance of the rotating member and an output member that is assisted by the rotating member, and wherein the input member electrically moves from a first position to a second position and then to a third position. A method of operating the control device comprises the steps of providing an input signal for moving the input member from the first position to the second position and then to the third position; sensing a position of the input member with an input position sensor; and determining whether the input position sensor indicates the input member is in the third position.

Abstract: An electrical switch or operating device is disclosed for controlling/operating an electrically controlled bicycle component. In one embodiment, the operating device controls/operates a bicycle shift device and a bicycle suspension. The operating device has a base portion, a toggle portion, a button portion, three electrical contact switches, and a clicking mechanism. The clicking mechanism is positioned in a manner to provide for a compact arrangement of the operating device. The toggle portion is pivotally mounted to the base portion to move from a toggle neutral position to first or second contact positions where the toggle portion depresses either the first or electrical contact switches. The button portion is movably coupled to the toggle portion between a button neutral position where the button portion is spaced from the third electrical contact switch and a third contact position where the button portion depresses the third electrical contact switch.