noun
gear wheels that mesh in the same plane
• Syn: ↑spur wheel
• Hypernyms: ↑gear, ↑gear wheel, ↑geared wheel, ↑cogwheel
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noun also spur gear wheel : the simplest form of toothed wheel used in machinery with radial teeth parallel to the axis of the wheel
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Mach.
a gear having straight teeth cut on the rim parallel to the axis of rotation.
Also called spur wheel.
[1815-25]
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spur gear or spur wheel noun
A gear wheel with straight teeth parallel to its axis, as used in spur gearing, a system of such gears connecting two parallel shafts
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Main Entry: ↑spur
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spur gear,
1. a simple gearwheel, having teeth on its rim set radially and with faces parallel to the axle: »
Spur gears have the teeth parallel to the shaft, while helical gear teeth are at an angle (Purvis and Toboldt).
2. Also, spur gearing. gearing using such gearwheels.
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n. a gearwheel with teeth projecting parallel to the wheel's axis
Useful english dictionary. 2012.