spur wheel

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Related to spur wheel: rowel
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Noun1.Spur wheel - gear wheels that mesh in the same planespur wheel - gear wheels that mesh in the same plane
cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
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References in periodicals archive ?
Other factors such as oil lubrication and the use of spur wheel gears (as opposed to worm gears in most of the S4 actuators), further reduces friction and internal mechanical wear.
And when the mill is open to the public, which occasionally it is, they can climb a ladder and see the evidence: millstones, spur wheel and sack hoist on the first floor and windshaft, gearing and winding equipment on the second.
And there has been the much more complex job of replacing worn wooden cogs - 'teeth' - on the great spur wheel.