characterised by the use of biasing means, e.g. springs; Arrangements thereof

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 selectively engaged by the chain, belt, or the like > the chain, belt, or the like being laterally shiftable > Front derailleurs > Mechanisms for shifting laterally > characterised by the use of biasing means, e.g. springs; Arrangements thereof

Transmissions characterised by use of an endless chain, belt, or the like (cycle chain guards B62J13/00) > of changeable ratio > using a single chain, belt, or the like > involving different-sized wheels, selectively engaged by the chain, belt, or the like > the chain, belt, or the like being laterally shiftable > Front derailleurs > Mechanisms for shifting laterally > limiting or positioning the movement > characterised by the use of biasing means, e.g. springs; Arrangements thereof