Automobile door and window glass not only to ensure that the driver had enough perspective, to safe driving and driving, at the same time, in order to meet the need of comfort, the position of the glass often need to adjust, and adjust the scope of the glass with convenient manipulation has become the important performance index. The glass elevator is an important component of vehicle safety and comfort.

A glass elevator is a device that rises or falls through a glass guide in the car's car window at a certain drive, and can stay in any position. Considering some special glass adjustment devices, it seems more accurate to call it a glass regulator. Automotive industry abroad in the relevant technical data, glass levelers words for glass regulator, perhaps because of the glass position adjustment is up and down more, so it has long been known as glass elevator in our country.

Auto glass levelers generally consists of the following parts: operating mechanism (radial or electric control system), the transmission mechanism (or rack of gear, rack, gear mesh soft shaft), glass lifting mechanism (lift arm, motor bracket), glass (glass bracket) supporting institutions and limit block machine, etc. Glass with advanced the basic route to work for the operating mechanism and transmission mechanism supporting institutions to lifting mechanism, glass, and limit mechanism in small gear and bearing seat, to settle the glass (stop), ensure that requirements remain in position.