Wheel-like parts with teeth cut into the rim Meshing of the teeth of two gears enables one to drive the other, thus transmitting power
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain"
Strictly speaking, these are the toothed, interlocking wheels that drive your machine heads In layman's terms, this is the mechanism that takes your twisting of the tuning pegs, turns it 90%, and applies to the tuning post so that it will wind on more or less of your strings
Mechanical devices containing teeth that mesh that transmit power, or turning force, from one shaft to another