friction clutch is mounted on engine shaft and connects with the hub of the pinion on this shaft.
This drum is thrown into gear by a friction clutch, and its motion regulated by the cranesman's lever and footbrake.
The pulley is provided with a friction clutch operated by the treadle, shown.
The best plan is to conduct the power through a species of friction clutch—an iron disk between two wooden ones.
To use the friction clutch, first start the engine, throwing the throttle gradually wide open.
The power of an engine is usually applied to the traction wheel by a friction clutch working on the inside of the fly-wheel.
Nearly all traction engines are now provided with the friction clutch for engaging the engine with the propelling gear.
When the machine is in operation, this pulley is engaged with the main driving shaft by a friction clutch F controlled by lever L.