Designed to open and close windows in difficult to attain areas, electric screen openers, or actuators, are exceptionally handy.
They work with a motorised folding arm that’s attached to a windows. The arm starts in a folded placement, however since it is run by the electric motor, it starts to unfold. The arm is positioned in a manner that as it starts to unfold, the windowpane begins to open up. To close a home window, the arm starts to fold back again up into its original position, bringing the home window to a close.
It really is simple in framework, easy to install, simply gently push the rack in the sliding door handle on the door frame, the door can be easily opened.
The opening mechanism for a rack and pinion works by converting rotational motion into linear movement. The pinion is a circular equipment, which engages a linear bar that is fitted with teeth, referred to 
as the rack; power is usually applied to the pinion causing it to rotate, which subsequently makes the rack move in regards to the pinion, which converts the rotational movement of the pinion into linear movement. For electric windowpane openers, the rack is housed in external casing and is mounted on the window. As the pinion moves, the rack is definitely pushed out, starting the window along with it.
These are usually fitted to side hung 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 ways.
The object of today’s invention is achieved, through the center gear shaft fixed on a frame, which is fixed to the frame, is fixed to the sliding gear engages with the rack on the rail of the frame, fixed to the corresponding door there may be engaged with the Automatic Window Opening System gear rack stationary equipment rack, the slide rack when the pushing deal with on the entranceway, so that the rotation from the gear rack fixed on the door, the entranceway motion, so that the door is opened, with a gear fixed to the frame reset spring.
The object of the present invention is to supply a device with a special dual rack door when the sliding door.