back gear

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noun

(in a lathe) one of several gears for driving the headstock at various speeds.

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His boss, whom he admires, is waiting to meet with him about the big project.

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OTHER WORDS FROM back gear

backgeared, adjective

Words nearby back gear

back foot, back formation, back forty, back four, backgammon, back gear, back green, background, backgrounder, background extinction, background music

How to use back gear in a sentence

The head stock of a lathe—the back gear in particular—is about as hard a thing to improve as the link motion of a locomotive.
Scientific American Supplement, No. 643, April 28, 1888|Various
Referring again to Fig. 494, g′ is the pinion to drive the back gear while g receives motion from the back-gear pinion.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
Another plan is to let the back gear move endwise and bush its bearing holes with hardened steel bushes.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
As shown in the sketch, g is in one of these grooves while h is the other, but when the back gear is in, g would be in h.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose

Various methods of moving the back gear into and out of gear with the cone spindle gears are employed.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose