Look up an image:
Explore by theme maison

spur gear click to hear : spur gear

Most common gearing system linking two parallel shafts that changes the speed and force of a rotation; it is used especially in automobile transmissions.
spur gear image
achat d'image achat d'image

See spur gear in : french | spanish
toothed wheel

toothed wheel click to hear : toothed wheel

Wheel with teeth that mesh with the teeth of another wheel to transmit rotational movement to it.