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HIGH TORQUE GEARLESS ACTUATION AT LOW SPEEDS FOR SWING GATE, ROLL-UP GATE, SLIDE GATE, AND VEHICULAR BARRIER OPERATORS

  • US 20090189560A1
  • Filed: 01/24/2008
  • Published: 07/30/2009
  • Est. Priority Date: 01/24/2008
  • Status: Active Grant
First Claim
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1. A swing gate operation system capable of high-torque actuation at low speeds, comprising:

  • a movable barrier, wherein said movable barrier is adapted to swing open and swing close; and

    a gearless motor directly coupled to said movable barrier in a manner that said movable barrier swings at substantially the same angular speed as a rotation of said gearless motor.

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