Definitions for "DRUM BRAKE"
Keywords:  brake, shoe, hydraulic, friction, hub
A type of older - but still popular and effective - automotive brake in which a circular drum rotates around a set of brake shoes which are fixed to the hub and act on the drum by expanding.
A foundation or parking brake utilizing shoe-type friction elements forced against a cylindrical or drum surface for stopping ability; internal-shoe-type (shoes inside drum) is most common.
A type of automotive brake in which curved metal shoes carrying the friction material are expanded either hydraulically or mechanically against the inside surface of a drum-shaped component that rotates with the wheel, thus slowing the vehicle.