Transmissions characterised by use of an endless chain, belt, or the like

BPERFORMING OPERATIONS TRANSPORTING B62Land vehicles B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES

B62M9/00Transmissions characterised by use of an endless chain, belt, or the like

B62M9/02of unchangeable ratio B62M9/04of changeable ratio B62M9/06using a single chain, belt, or the like B62M9/08involving eccentrically- mounted or elliptically-shaped driving or driven wheel with expansible driving or driven wheel B62M9/085involving eccentrically mounted driving or driven wheel B62M9/10involving different-sized wheels B62M9/105involving front sprocket chain-wheels engaged by the chain, belt or the like B62M9/12the chain, belt, or the like being laterally shiftable B62M9/121Rear derailleurs B62M9/122electrically or fluid actuated Controls thereof B62M9/123changing gears automatically B62M9/124Mechanisms for shifting laterally B62M9/1242characterised by the linkage mechanisms B62M9/1244limiting or positioning the movement B62M9/1246using cams or plates B62M9/1248characterised by the use of biasing means B62M9/125Mounting the derailleur on the frame B62M9/126Chain guides Mounting thereof B62M9/127Mounting or guiding of cables B62M9/128Accessories B62M9/131Front derailleurs B62M9/132electrically or fluid actuated Controls thereof B62M9/133changing gears automatically B62M9/134Mechanisms for shifting laterally B62M9/1342characterised by the linkage mechanisms B62M9/1344limiting or positioning the movement B62M9/1346using cams or plates B62M9/1348characterised by the use of biasing means B62M9/135Mounting the derailleur on the frame B62M9/136Chain guides Mounting thereof B62M9/137Mounting or guiding of cables B62M9/138Accessories B62M9/14the wheels being laterally shiftable B62M9/16Tensioning or adjusting equipment for chains, belts or the like