Variable speed drive for a bicycle

Variable speed drive for bicycles and the like

Variable speed drive for filling cubicle container

Variable speed drive having intermediate alternating movements

Variable speed drive means

Variable speed drive mechanism

Variable speed drive mechanism

Variable speed drive system for carding machine

Variable speed drive unit

Variable speed drive--apparatus and method of fabricating the ap

Variable speed driving mechanism

Variable speed epicyclic transmission devices

Variable speed fishing reel

Variable speed flat belt transmission

Variable speed friction transmission

Variable speed frictional drive transmissions

Variable speed gear ratio transmission apparatus

Variable speed gear transmission

Variable speed geared motor and a series thereof

Variable speed gearing assembly