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September 22, 2018
Ad Details
Ad #
5653244
Started
Jul 10, 2018
Location
Long Beach, California (Southern)
Asking Price:
$599.00
 

 
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Seller Information
MemberAffordable-Openers
Member Level   Standard
Valid Email   Yes
Member Since: Nov 1, 2016
Country: United States
Active ads: 3

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Classified 5653244
Liftmaster Garage Door Openers and Gate Operators

Garage Door Openers and Operators For Residential Homes and Businesses.

A garage door opener is a motorized device that opens and closes garage doors. Most are controlled by switches on the garage wall, as well as by remote controls carried by the owner.

There are five types of garage door openers. Chain drive, belt drive, screw drive, direct drive, and jackshaft.

- Chain drive openers have a chain (similar to a bicycle's) that connects the trolley to the motor.

- Belt drive openers use a rubber belt in place of a chain.

- Screw drive openers have a long screw inside the track. The trolley connects to this screw.

- Direct Drive openers have the motor installed inside the trolley and use a gear wheel to guide the trolley along a fixed chain.

- Jackshaft openers mount on the wall at either end of the torsion bar.

Check out https://www.affordableopeners.com/gate-door-operators/garage-door-openers.html for more info.


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