lantern pinion


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lantern pinion

or

lantern wheel

n
(Horology) a type of gearwheel, now used only in clocks, consisting of two parallel circular discs connected by a number of pins running parallel to the axis
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Noun1.lantern pinion - a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clockslantern pinion - a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks
pinion - a gear with a small number of teeth designed to mesh with a larger wheel or rack