Pneumatic displacement system

Positive drive system

Precision chain drive

Pulley spacer for racing engines

Pulse encoder resolution adjustment apparatus

Roller chain sprocket

Roller chain sprockets oriented to minimize strand length...

Shiftable toothed-belt drive

Sprocket tooth profile

Synchronous drive apparatus and methods

Timing chain drive

Toothed belt drives

Transmission assembly and method for using the same

Transmission system, motor drive comprising such a transmission

Transmission with fixed transmission ratio

Utility machinery and associated reversible feeder mechanisms

Variable speed transmission

Video cassette recorder incorporating therein a belt pulley set

Wheel and chain power transmission machine

Wheelchair drive apparatus