spur gear

  1. a gear having straight teeth cut on the rim parallel to the axis of rotation.

Origin of spur gear

First recorded in 1815–25

Words Nearby spur gear

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use spur gear in a sentence

  • If the cam-shaft is parallel to the crank-shaft, simple spur gear or chain connection may be used to turn it.

    Aviation Engines | Victor Wilfred Pag
  • It will be seen that the sixteen cams are forged integrally with the shaft and that it is spur-gear driven.

    Aviation Engines | Victor Wilfred Pag
  • The makers claim that lost motion can be taken up in a bevel gear much better than in a spur gear.

    Farm Engines and How to Run Them | James H. Stephenson
  • The boiler was of cast-iron, with a one-cylinder engine, spur gear and a fly-wheel on one side.

    Lectures on Popular and Scientific Subjects | John Sutherland Sinclair, Earl of Caithness
  • There are two spur gear changes, either of which may be used and which give a very wide range.

    Illustrated Catalogue of Cotton Machinery | Howard & Bullough American Machine Company, Ltd.

British Dictionary definitions for spur gear

spur gear

  1. a gear having involuted teeth either straight or helically cut on a cylindrical surface. Two such gears are used to transmit power between parallel shafts

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012