drum brake

American  

noun

Automotive.

1. a brake system in which a pair of brake shoes can be pressed against the inner surface of a shallow metal drum that is rigidly attached to a wheel.

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drum brake British  

noun

1. a type of brake used on the wheels of vehicles, consisting of two pivoted shoes that rub against the inside walls of the brake drum when the brake is applied

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Etymology

Origin of drum brake

First recorded in 1945–50

Example Sentences

In drum brakes, friction is generated by brake shoes pressing against the interior of a rotating drum.

From BBC

One interesting engineering choice on this very modern car is that it uses rear drum brakes.

From Fox News

The body was toughened, drum brakes installed and clearance was heightened, all to help with the Russian roads and winters.

From The Guardian

Most series production road cars in 2020 have discs instead of drum brakes, at least in the front.

From New York Times

And, Toms says, “Each braking system requires a particular frame set. We now offer a single-speed bicycle with rim brakes, as well as 5-speed bicycles with drum brakes. We listen carefully to our customers.”

From Forbes