internal gear

noun

, Machinery.

1. a gear having teeth cut on an inner cylindrical surface.

Example Sentences

It does require a slight pause between downstrokes to allow the internal gear hub to complete the shift, which is disconcerting at first.

From The Verge

The face plate is 12 feet diameter, cast with internal gear at the back.

From Project Gutenberg

It is driven by epicyclic gearing, the cam being driven by an internal gear machined integrally with it, the cam being turned at 7⁄8 times the engine speed.

From Project Gutenberg

Improvements in gears—synchromesh transmission, four speed internal gear transmission, quiet second gear.

From Time Magazine Archive

A solid disc or housing fitted against both ends of the pinion to prevent the internal gear from working off sideways.

From Project Gutenberg