Designed to open and close windows in difficult to attain areas, electric windows openers, or actuators, are exceptionally handy.
They work with a motorised folding arm that’s attached to a windowpane. The arm 
begins in a folded position, however since it is powered by the motor, it begins to unfold. The arm is put in a way that as it begins to unfold, the window begins to open up. To close a windows, the arm starts to fold back again up into its initial position, bringing the screen to a close.
It is simple in framework, easy to install, just gently force the rack in the sliding door manage on the entranceway frame, the door can be easily opened.
The opening mechanism for a rack and pinion functions by converting rotational movement into linear movement. The pinion can be a circular gear, which engages a linear bar that has been fitted with teeth, known as the rack; power is usually applied to the pinion leading to it to rotate, which subsequently makes the rack move in relation to the pinion, which converts the rotational movement of the pinion into linear motion. For electric screen openers, the rack is usually housed in external casing and is attached to the windows. As the pinion movements, the rack is pushed out, starting the windowpane along with it.
These are usually fitted to side hung windows or doors, because they offer a 90-degree opening. They are also known as folding arm actuators and may be designed to open inwards, outwards or both ways.
The object of today’s Gear Rack For Window Opener 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 might be engaged with the stationary equipment rack, the slide rack when the pushing deal with on the door, so that the rotation from the apparatus rack fixed on the door, the door movement, so that the door is opened, with a gear 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.