Worm drive

A double bass features worm gears as tuning mechanisms

A worm drive controlling a gate. The position of the gate does not change once set

A worm drive is a gear arrangement in which a worm (which is a gear in the form of a screw) meshes with a worm gear (which is similar in appearance to a spur gear). The two elements are also called the worm screw and worm wheel. The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm gear, or the worm drive as a unit.

单词	Worm and wheel
释义	Worm and wheel 英语百科 Worm drive A worm drive is a gear arrangement in which a worm (which is a gear in the form of a screw) meshes with a worm gear (which is similar in appearance to a spur gear). The two elements are also called the worm screw and worm wheel. The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm gear, or the worm drive as a unit.
随便看	Object browser object browser filter object bus Object C object carrier object cartridge object categorization test object cathexis ObjectCenter object centered programming object centered representation object chart object choice object class object class definition object class field type object classification Object Classification Test object clause object code Object code compatibility Object code compatible object code field object code file object code header

Worm and wheel

Worm drive