BICYCLE DERAILLEUR GEAR Russian patent published in 1995 - IPC

FIELD: transport; bicycles. SUBSTANCE: derailleur gear has housing 1 with non-parallel levers, bracket, load-bearing cable 24, turnable eccentric detents, plates with guide rollers 21, 23 of load-bearing cable tensioning unit mounted on housing 1 and consisting o screw, coiled cylindrical spring and limiter made in form of clip with stop. Bracket can be made of two different design versions. Quick release is provided by catch. EFFECT: reliable and stable operation of chain in various positions, long service life and convenience in use of gear for races of different types. 7 dwg