Designed to open and close home windows in difficult to attain areas, electric window openers, or actuators, are exceptionally handy.
They work with a motorised folding arm that’s attached to a home window. The arm starts in a folded position, however as it is run by the motor, it begins to unfold. The arm is positioned in a manner that as it begins to unfold, the home window begins to open up. To close a screen, the arm begins to fold back up into its initial position, bringing the windows to a close.
It is simple in framework, easy to install, simply gently drive the rack in the sliding door handle on the door frame, the door could be easily opened.
The opening mechanism for a rack and pinion functions by converting rotational motion into linear motion. The pinion is certainly a circular gear, which engages a linear bar that has been fitted with teeth, known as the rack; power is usually put on the pinion causing it to rotate, which subsequently makes the rack move in relation to the pinion, which converts the rotational motion of the pinion into linear movement. For electric home window openers, the rack is certainly housed in external casing and 
is mounted on the home window. As the pinion movements, the rack is pushed out, opening the screen along with it.
These are usually fitted to side hung home windows or doors, because they offer a 90-degree opening. Also, they are known as folding arm actuators and may be designed to open up inwards, outwards or both methods.
The object of the present invention is achieved, through the center equipment shaft fixed on a frame, which is fixed to the frame, is fixed to the sliding equipment engages with the rack on the rail of the frame, fixed to the Automatic Window Opening System gear rack corresponding door there could be engaged with the stationary equipment rack, the slide rack when the pushing deal with on the entranceway, to ensure that the rotation from the apparatus rack fixed on the door, the entranceway movement, so that the entranceway is opened, with a equipment fixed to the frame reset spring.
The object of today’s invention is to provide a gadget with a special dual rack door when the sliding door.