B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
B62M9/121—Rear derailleurs
B62M9/124—Mechanisms for shifting laterally
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Chemical & Material Sciences
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Mechanical Engineering
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Devices For Conveying Motion By Means Of Endless Flexible Members
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Dispositif de réglage automatique de la tension du ressort du bras tendeur d'un mécanisme de changement de vitesse par déraillement de chaîne pour cycle.
Dispositif destiné à faciliter le démontage de la roue arrière d'un cycle comportant un mécanisme de changement de vitesse à déraillement de chaîne.