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Brake device for cordless lift shades

  • US 9,695,633 B2
  • Filed: 02/02/2016
  • Issued: 07/04/2017
  • Est. Priority Date: 02/02/2015
  • Status: Active Grant
First Claim
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1. A covering for an architectural opening comprising:

  • a first rail;

    a second rail moveable relative to the first rail; and

    a lift assembly coupled to the first rail;

    the lift assembly including;

    a drum having a hub, the drum rotatable about an axis;

    a cord coupled to the drum; and

    a brake movable relative to the drum;

    wherein the cord biases the brake toward the drum and into engagement with the hub to resist the second rail moving away from the first rail.

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