E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
E01F 13/04 (2006.01) E05F 15/20 (2006.01)
Patent
CA 2595135
A moveable barrier operator system includes a telescoping barrier arm. A motor is coupled to the telescoping barrier arm for extending the telescoping barrier arm from a retracted position to an extended position and retracting the arm from the extended position to the retracted position. A controller is coupled to the motor for selectively activating the motor to extend and retract the arm.
Macrae & Co.
The Chamberlain Group Inc.
LandOfFree
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