BEVEL GEAR • DICCIONARIO INGLES.COM • Definition of Bevel gear

... consumption of time and cutters, both of which represent money to the manufacturer. In the patent model these ring-gear teeth have been cut by a milling cutter which did not pass through the ring and across the face of the teeth. This produced a gear somewhat resembling an internal bevel gear, one which could have only the merest contact with its mating pinion. To make a durable gear for this application it would be necessary to pass the cutter through the ring in line with the gear axis. This would require a special or, ...

— The Auburndale Watch Company - First American Attempt Toward the Dollar Watch • Edwin A. Battison