A gear that is in the form of a screw. The screw thread engages the teeth on a worm wheel. When rotated, the worm pulls or pushes the wheel, causing rotation.

A gear with helical teeth made to conform with the thread of the mating worm.

Rear axle gear assembly having corkscrew-type pinion.

The gear wheel which engages the revolving worm. The rotating motion of the worm is transmitted through the worm gear to the drive sheave.

comes in pairs of gears and worm wheels that mate together to transfer power between perpendiculars shafts that have axes of rotation offset from each other.

Worm gears are a type of Rolling screw Gear system. They are used when two shafts transect at a right angle and when large transmission ratios are required. A worm gear consists of a gearwheel, the wo [..]

A long, rotating gear in the form of a screw, which meshes with the teeth of another gear.