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Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin, and Grifco, designs and engineers residential garage door openers, commercial door operators, security cameras, and gate entry systems. CGI is also the parent company to Controlled Products Systems Group, the largest wholesale distributor of perimeter ...
Website. www.geniecompany.com. GMI Holdings Inc. (dba The Genie Company) is an American manufacturer of garage door openers & related accessories. It was founded in 1923 as the Alliance Manufacturing Company, located in Alliance, Ohio. At the time the company produced a broad line of consumer, industrial and military products. [2]
The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.
A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or counterbalanced to offset the door's weight and reduce the human or ...
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The majority of the operators open the door directly or through an arm. Overhead concealed mount—the operator is mounted above the door and rotates the door directly, through its pivot. Surface mount, push (scissor arm)—the operator is mounted on the wall above the door, on the approach side and pushes the door with a linkage of 2 arms.
Hörmann is a German manufacturer of doors, garages, door frames, and gates for commercial and private real estate. [1] Operating globally, the family-owned business is Germany's largest door producer and the fourth biggest door manufacturer in the world. The company has 26 specialized plants in Europe, North America and Asia, and more than ...
Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance. [2][3]
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