A curved metal block that presses against and arrests the rotation of a wheel or brake drum. one of the two curved parts that press against the wheel of a vehicle in order to make it go more slowly or stop
Correctly, the shoe is the metal component (rim and web assembly) used to push the friction material against the drum in a drum brake system, but the term is now used to refer to the whole shoe and lining assembly
moving member(s) of a brake, lined with friction material which, when in contact with the brake drum, holds the elevator at floor level On some types of control, it will stop the elevator when power is removed from the hoist motor