external brake

external brake

[ek′stərn·əl ′brāk]
(mechanical engineering)
A brake that operates by contacting the outside of a brake drum.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
For vertical applications, these non-ball lead screws can be designed to self-lock and prevent back driving, without an external brake, unlike traditional ball screws.