The development history of automatic doors

In the late 1920s, supermarkets start to appear in the USA, and automatic doors were gradually used. In 1930, the Stanley was the first to introduce automatic door in the world. After 20 years later, automatic doors began to be used in buildings.

And then, Dorma, the most popular brand of automatic door in the world, brought hydraulic and pneumatic automatic doors into market in 1945. In 1962, electric automatic doors appeared. With the development of world, the field of automatic door technology is increasing year by year.

In the past, the speed of electric motor was too hard to control So the hydraulic and air automatic doors were widely used. With the technological development, nowadays the electric control technology is mature, and electric automatic doors have gradually become the main position,

The development of automatic doors has widely used that are highly benefit for people that are basically needed by facilities and industries where automatic doors should be installed. Automatic doors eliminate the need to open and close the door manually. Also, automatic doors can provide proper safety and security to a specific area. And give people a lot of convenience

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