The telescopic door (Retractabledoor) is a door that can be telescopic and free to move, to control the size of the door, to control the intercepting and releasing of pedestrians or vehicles. The expansion door is mainly composed of a door body, a driving motor, a slide way and a control system. The door body is made of high quality stainless steel and aluminum alloy special section. The parallelogram principle is used for articulation, flexible and flexible travel. The drive is driven by special motor, worm and worm gear deceleration, and automatic clutch or manual clutch, automatic opening and closing when automatic outgoing power outage, manual opening and closing when manual clutch is shut down. Control system has control board, button switch, and wireless remote control device can be equipped according to demand.
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