![]() Instead, most of door's weight is offset by the counterbalance springs attached to the door. Īs in an elevator, the electric motor does not provide most of the power to move a heavy garage door. 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. ![]() Johnson in 1926 in Hartford City, Indiana. ![]() ![]() The electric overhead garage door opener was invented by C.G.
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