Endless screw

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(Mech.) See under Screw.
a screw used to give motion to a toothed wheel by the action of its threads between the teeth of the wheel; - called also a worm.
- H. Martineau.

See also: Endless, Screw

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Each silo is fitted with an endless screw device, allowing precise and fast dispensing of the various ingredients.
In a way, the work of art Spline is conceived to serve as metaphor to the physical concept of the endless screw, without running out of substance in the universe sidereal emptiness.