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ELECTRIC DRUM OR DRUM-IN-HAT PARK BRAKE

  • US 20150204402A1
  • Filed: 12/11/2014
  • Published: 07/23/2015
  • Est. Priority Date: 01/22/2014
  • Status: Active Grant
First Claim
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1. A linear actuation assembly comprising:

  • a. a differential assembly andb. a pair of linear actuators in communication with the differential assembly;

    wherein the pair of linear actuators are movable along an axis so that during movement of at least a portion of each of the pair of linear actuators a pair of brake shoes respectively are moved to create a brake force or moved to release a brake force, andwherein the differential assembly distributes power equally to each of the pair of linear actuators until resistance of one of the pair of brake shoes increases then the differential assembly ceases to provide power to a brake shoe with increased resistance and distributes the power from the brake shoe with increased resistance to a brake shoe of lower resistance until a brake force is created.

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