Garage door opener
Garage Door Opener Invention and Evolution:
- The electric garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana.
- Popularized after World War II by Era Meter Company.
- Electric motor provides minimal force to move the garage door, with counterbalance springs offsetting most of the door’s weight.
- Different types of openers, including chain drive, belt drive, screw drive, direct drive, and jackshaft openers, have been developed.
- Wireless garage door openers evolved from simple transmitters to systems utilizing digital codes and rolling code technology for enhanced security.
Types of Garage Door Openers:
- Chain drive, belt drive, screw drive, direct drive, and jackshaft openers are common types.
- Chain drive uses a chain to connect the trolley to the motor, while belt drive uses a rubber belt.
- Screw drive has a long screw inside the track, and direct drive has the motor installed inside the trolley.
Garage Door Opener Components and Safety:
- Components include the power unit with an electric motor, trolley connected to the garage door, track, quick-release mechanism for manual operation, and limit switches.
- Safety measures such as quick-release mechanisms, reversing features, and entrapment protection requirements are mandated for garage door openers.
- Manufacturer’s instructions guide proper adjustment and maintenance for safe operation.
Cloning Garage Door Opener Remotes and Additional Features:
- Cloning of garage door opener remotes is possible with fixed-code encoding and self-learning remote control duplicators.
- Additional features include automatic courtesy lights, remote lockout, wireless keypads, automatic door closing, and integration of carbon monoxide sensors for safety.
Legislation and Benefits of Garage Door Openers:
- California Senate Bill No. 969 requires automatic residential garage door openers to have a battery backup, effective from July 1, 2019.
- Benefits of garage door openers include increased home security, convenience of remote operation, protection of vehicles, enhanced curb appeal, and a potential increase in property value.
Garage door opener (Wikipedia)
This article needs additional citations for verification. (April 2015) |
A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall. Most also include a handheld radio remote control carried by the owner, which can be used to open and close the door from a short distance.
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