Designed to open up and close windows in difficult to reach areas, electric windows openers, or actuators, are exceptionally handy.
They work with a motorised folding arm that is attached to a home window. The arm begins in a folded placement, however as it is run by the electric motor, it begins to unfold. The arm is put in a manner that as it starts to unfold, the windowpane begins to open. To close a home window, the arm starts to fold back up into its primary position, bringing the window to a close.
It is simple in framework, easy to install, just gently push the rack in the sliding door manage 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 motion. The pinion is a 
circular equipment, which engages a linear bar that has been fitted with teeth, referred to as the rack; power can be applied to 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 motion. For electric windowpane openers, the rack is usually housed in external Gear Rack For Window Opener casing and is mounted on the window. As the pinion techniques, the rack can be pushed out, starting the windowpane along with it.
These are usually suited to side hung windows or doors, because they offer a 90-degree opening. They are also called folding arm actuators and can be designed to open inwards, outwards or both ways.
The object of today’s invention is achieved, through the guts 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 corresponding door there might be engaged with the stationary gear rack, the slide rack when the pushing manage on the entranceway, to ensure that the rotation from the gear rack fixed on the entranceway, the entranceway movement, so that the entranceway is opened, with a equipment fixed to the frame reset spring.
The object of the present invention is to provide a device with a special double rack door when the sliding door.