endless screw

Samuel Rhee developed his own endless screw cutting machine and was able to sell machines to others.

The submarine could be steered from the conning tower by means of an endless screw gear.

A third party expert report on one of the incidents concluded that the actuator’s failure resulted from the actuator’s endless screw mechanism not being fully tightened.

A small stationary steam engine mounted on the traverser platform drove an endless screw, which was then used to slide the boat back into its shed.

Pappus of Alexandria (3rd century AD), a Greek mathematician is credited for an early version of the endless screw, which would later evolve into the worm drive.

Mr Short ordered Sisson's son Jeremiah to add reflecting telescopes to the instruments and to use endless screws to move the circles, but this design proved inferior to Jonathon Sisson's original.