a gear having straight teeth cut on the rim parallel to the axis of rotation.
- Also called spur wheel.
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
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