When a servo pushes on the corresponding linkage, a band is squeezed tightly around a drum, stopping the drum from spinning and holding whichever planetary gear component the drum is attached to.

Question

Quizplus · Accepted Answer

This describes the operation of a band brake in an automatic transmission, where a servo applies force to a band to stop a drum connected to a planetary gear component.

When a Servo Pushes on the Corresponding Linkage, a Band