duo-servo drum brake

duo-servo drum brake
A type of self-energizing drum brake that has servo action in both forward and reverse

Dictionary of automotive terms. 2015.

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  • servo-action drum brake — See duo servo drum brake …   Dictionary of automotive terms

  • Drum brake — A drum brake with the drum removed as used on the rear wheel of a car or truck. Note that in this installation, a cable operated parking brake uses the service shoes …   Wikipedia

  • brake — [1] To slow down a vehicle. [2] The mechanism that converts motion (kinetic energy) into heat energy through friction. The most common instance is found in the wheels of cars where the brake shoes or disc pads are designed to press against the… …   Dictionary of automotive terms

  • primary shoe — [1] The shoe of a brake drum system which pivots outwards into the approaching drum. The British term is leading shoe [2] The shoe in a duo servo drum brake that transfers part of its braking force to the secondary shoe …   Dictionary of automotive terms

  • anchor pin — The stationary portion of a duo servo drum brake on which the tops of the brake shoes rest. The secondary shoe bears against the anchor pin when the brakes are applied and the vehicle is moving forward. Conversely, when the vehicle is backing up… …   Dictionary of automotive terms

  • secondary shoe — The shoe in a duo servo drum brake assembly that is acted upon by the primary shoe. It provides more stopping power than the primary shoe (about 70%). See trailing shoe …   Dictionary of automotive terms

  • AMC Ambassador — Infobox Automobile manufacturer=American Motors Corporation assembly=Kenosha, Wisconsin layout=FR layout production=1958 1974 class=Mid size name=AMC AmbassadorThe Ambassador was the top line automobile produced by the American Motors Corporation …   Wikipedia

  • Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …   Wikipedia

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