Sram Deutschland Gmbh

Thorsten Hamisch

Alexander Linke

Wolfram Frank

Sven Baumann

Jochen Bierwerth

Chris Hilton

Mason Pluimer

Henrik Braedt

Robert K Boehm

Marcus Auer

Robert Böhm

Andreas A Benz

Robert Dipl-Ing Böhm

Andreas Benz

A bicycle operating apparatus for wirelessly controlling at least one component of a bicycle includes a carrier element on a fastening device for fixing the bicycle operating apparatus to a handlebar of the bicycle, a housing attachable to the carrier element having an energy storage compartment for receiving an energy storage element and having an electronic circuit arrangement in the housing. At least one switch is connected to the electronic circuit arrangement on the housing. An operating component mounted on the carrier element to be pivotable about an operating axis preloaded into a neutral position which is able to be deflected out of the neutral position in a first direction of rotation about the operating axis in order to actuate the switch, and the operating axis extends obliquely with respect to the flat outer surface.

Bicycle operating apparatus

A control device for a bicycle is arranged or can be arranged on the handlebar of the bicycle and serves to wirelessly drive at least one electronic, electrical, electromechanical or electrohydraulic component of the bicycle. The control device includes an operator control arrangement which has at least one manually operable operator control element and is designed to respond to operation of the operator control element and to output electrical signals which represent the operation. The control device also includes at least one electronic circuit arrangement comprising a radio communication circuit and a control circuit which is connected or can be connected to the operator control arrangement. The control device also may include at least one antenna which is connected or can be connected to the radio communication circuit or which is integrated into the said communication circuit.

Control device for wirelessly controlling at least one component of a bicycle

The invention relates to a guide wheel for a rear derailleur in a bicycle gear system for guiding a chain, including an annular wheel body with a central opening for rotatable bearing about a rotational axis of the guide wheel. The guide wheel includes a plurality of radially projecting teeth that are arranged on an outer circumferential surface of the wheel body. A tooth gap is arranged between each adjacent pair of teeth, individual teeth in the area of a root circle of the gear teeth having a predetermined tooth width matched to the chain. For improving the guiding properties, it is provided that the guide wheel has on at least some of the tooth gaps in the area near a tooth gap base and/or on at least some of the teeth at least one guide segment with a greater width than the tooth width of at least one of the adjacent teeth.

Jockey wheel for a rear derailleur in a bicycle gear system and rear derailleur with such a jockey wheel

A device for guiding and supporting the cable for actuating a front derailleur for bicycles. The device provides the cable guide parts with alternative cable routing paths, wherein the cable guide parts are securely connected to the connecting arm. The cable clamping screw for clamping the control cable is housed in a space saving manner in an opening in the cable guide part, wherein a direct transfer of the actuating forces to the connecting arm is possible with small frictional losses.

Cable control actuating device for a bicycle derailleur

A stable and play-free pivot connection of a bicycle derailleur between a parallelogram link and either a base member or a chain cage. The pivot points are formed with first and second bushings that are arranged as far from one another as possible. The parts are connected by pivot pins having a anti-rotation contour for preventing rotation of the pin within an inner pivot part. The axial displacement of the pivot pin is prevented by a securing element or by a deforming element engaging a holding contour on the pivot pin. One of the first and second bushings is protected and arranged in a blind hole and the other of the first and second bushings is covered on the outside by a pin head of the pivot pin.

Pivotal connection of a bicycle derailleur

Growing community of inventors

Kürnach, Germany

Thorsten Hamisch