Designed to open up and close home windows in difficult to reach areas, electric screen openers, or actuators, are exceptionally handy.

They work with a motorised folding arm that is attached to a screen. The arm begins in a folded placement, however as it is driven by the engine, it starts to unfold. The arm is put in a manner that as it starts to unfold, the screen begins to open. To close a windows, the arm starts to fold back again up into its primary position, bringing the window to a close.

It is simple in structure, easy to install, just gently force the rack in the sliding door deal with 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 movement. The pinion is usually a circular equipment, which engages a linear bar that has been Automatic Window Opening System gear rack fitted with teeth, known as the rack; power is 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 home window openers, the rack can be housed in exterior casing and is mounted on the window. As the pinion moves, the rack can be pushed out, starting the screen along with it.
These are usually fitted to side hung home windows or doors, as they provide a 90-degree opening. They are also known as folding arm actuators and will be designed to open inwards, outwards or both methods.

The object of the present 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 may be engaged with the stationary equipment rack, the slide rack when the pushing manage on the entranceway, so that the rotation from the gear rack fixed on the door, the entranceway movement, so that the entranceway is opened, with a gear fixed to the frame reset spring.

The object of today’s invention is to supply a device with a special double rack door when the sliding door.