worm wheel

American  

noun

1. worm gear.

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Other Word Forms

• worm-wheel
  adjective

Etymology

Origin of worm wheel

First recorded in 1670–80

Example Sentences

At the lower end of the vertical shaft there is a worm wheel, that is engaged by a worm on the horizontal shaft on which is placed the hand wheel.

From Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures by Various

A worm wheel and two eccentrics are machined up out of one piece and serve to operate the plungers.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

The shaft of worm wheel g is omitted in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

To discharge the dough, the trough was tilted by means of a worm and worm wheel, the latter being secured to the trough.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

Into the rack j fits the worm wheel k, at the bottom of the shaft of which is a pair of bevel gear wheels l, which are operated by the hand wheel m.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua