For this wheel, the distance traveled by the bike for a single crank revolution is: The picture shows the rear sprocket mechanism (without the chain). The derailleur mechanism is to the right of the ...

The photograph and diagram below show the mechanism of a rear derailleur mechanism. Alignment of the jockey and idler pulleys with the rear sprocket is essential and to reduce the weight of the ...

Used to print multipart forms and address labels, the tractor and sprocket mechanism in these devices handles thicker media better than laser and inkjet printers. Also known as a "serial dot ...

Anton Braun The German mechanic, constructor, and optician Anton (Antonius) Braun (see the biography of Anton Braun) ...