Door Opener
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 LiftMaster 3800 Residential Jackshaft Garage Door Opener Operator W 2 Remotes $279.00 Time Remaining: 26d 16h 21m Buy It Now for only: $279.00 |
 CLICKER Chamberlain Universal Garage Door Opener Remote CLT1 CLT1B $22.59 Time Remaining: 32m Buy It Now for only: $24.99 |
 1 2 HP AC GENIE DOOR OPENER SCREW DRIVE Complete System No Reserve $71.00 (12 Bids) Time Remaining: 36m |
 LiftMaster 3800 Residential Jackshaft Garage Door Opener Operator $277.95 Time Remaining: 23d 19h 59m Buy It Now for only: $277.95 |
 Craftsman Garage Door Opener 3 Function Compact Remote Control $19.99 (1 Bid) Time Remaining: 1h 4m |
 LiftMaster 3800 Residential Jackshaft Garage Door Opener Operator W 1 Remote $250.00 Time Remaining: 23d 21h 46m Buy It Now for only: $250.00 |
 SEARS CRAFTSMAN GARAGE DOOR OPENER WAVE WASHER AND CLIP $0.99 Time Remaining: 10h 33m |
 Craftsman garage door opener Light socket PART NUMBER 4A1344 $8.00 Time Remaining: 10h 46m Buy It Now for only: $10.00 |
 LiftMaster 1355 Contractor Series Garage Door Opener 1 2 HP Chain Drive W O Rail $134.95 Time Remaining: 16d 12h 33m Buy It Now for only: $134.95 |
 CLICKER Chamberlain Universal Garage Door Opener Remote CLT1B CLT1 B $12.99 (1 Bid) Time Remaining: 11h 31m |
 Craftsman Garage Door Opener 1 2 hp Belt Drive Motion Detecting Control 53915 $169.99 Time Remaining: 28d 22h 34m Buy It Now for only: $169.99 |
 OVERHEAD DOOR Garage Door Gate Opener Remote Programable ACCOT1G type OIT1 390 $15.97 Time Remaining: 12h 17m Buy It Now for only: $25.97 |
 CHAMBERLAIN 953CD RADIO CONTROL GARAGE DOOR OPENER REMOTE TRANSMITTER $9.86 (7 Bids) Time Remaining: 12h 19m |
 34107R OEM Genie Screw Drive Carriage 36179R 20414R garage door opener $14.00 Time Remaining: 29d 2h 33m Buy It Now for only: $14.00 |
 Craftsman 1 2 hp horsepower Chain Garage Door Opener Motor Only $49.99 Time Remaining: 12h 33m |
 Chamberlain Craftsman LiftMaster Garage Door Opener Gear Kit 41A2817 41C4220A $16.79 Time Remaining: 6d 17h 43m Buy It Now for only: $16.79 |
 Chamberlain model 953cd garage door opener $10.00 Time Remaining: 12h 40m |
 Chamberlain 850cb garage door opener $20.00 Time Remaining: 12h 46m |
 34107R OEM Genie Screw Drive Carriage 36179R 20414R garage door opener $14.05 Time Remaining: 19d 23h 23m Buy It Now for only: $14.05 |
 Craftsman Garage Door Opener 1 2 hp Chain Drive 53985 Security+ $76.01 (10 Bids) Time Remaining: 13h 2m |
 Genie Garage Door Opener Screw Drive Carriage Part $12.69 Time Remaining: 14d 1h Buy It Now for only: $12.69 |
 CHAMBERLAIN GARAGE DOOR OPENER REMOTE 953CB $9.36 (4 Bids) Time Remaining: 13h 59m |
 41A1344 Replacement Light Socket Liftmaster Chamberlain Garage Door Opener OEM $9.99 Time Remaining: 14h 9m Buy It Now for only: $11.99 |
 Craftsman Garage Door Opener 1 2 hp Chain Drive Security+ Anti Burglary Coding $129.99 Time Remaining: 28d 17h 29m Buy It Now for only: $129.99 |
 Clicker CLT1D Garage door opener $20.00 Time Remaining: 14h 59m |
 Chamberlain Craftsman LiftMaster Garage Door Opener Gear Kit 41A2817 41C4220A $14.80 Time Remaining: 13d 14h 6m Buy It Now for only: $14.80 |
 LiftMaster 94335 1A5639 7 Keychain Garage Door Opener Remote $18.25 (2 Bids) Time Remaining: 15h 38m |
 Craftsman Garage Door Opener 1 2 HP Belt Drive 53915 + Wire Keyless Entry Pad $29.99 (1 Bid) Time Remaining: 15h 49m |
 garage door opener gear liftmaster chamberlain sears craftsman $6.75 Time Remaining: 13d 9h 45m Buy It Now for only: $6.75 |
 CHAMBERLAIN WIRELESS KEYLESS ENTRY GARAGE DOOR OPENER 940D $14.99 (1 Bid) Time Remaining: 16h 11m |
 CRAFTSMAN 3 4HP CHAIN DRIVE GARAGE DOOR OPENER Wireless Keyless Entry 2 Remotes $99.98 Time Remaining: 23d 9h 3m Buy It Now for only: $99.98 |
 Genie Garage Door Opener Silent Max1200 Belt Drive 3 4 HPc 4042 TKC 140V DC $29.99 Time Remaining: 16h 44m |
 Wayne Dalton Garage Door Opener Remote $19.99 Time Remaining: 18h Buy It Now for only: $25.00 |
 LiftMaster 375LM Universal Gate or Garage Door Opener Remote Control $17.25 Time Remaining: 19d 16h 2m Buy It Now for only: $17.25 |
 GENIE GARAGE DOOR OPENER CIRCUIT BD RECIEVER 34375R $12.50 Time Remaining: 19h 6m Buy It Now for only: $14.00 |
 Clicker Garage Door Opener Keypad Universal Remote KLIK2U 387LM Liftmaster $17.79 Time Remaining: 25d 11h 4m Buy It Now for only: $17.79 |
 LIFTMASTER GARAGE DOOR OPENER SAFETY SENSORS NO BRACKETS $9.00 (2 Bids) Time Remaining: 19h 15m |
 GENIE GT90 1 GARAGE DOOR OPENER REMOTE 12 PIN CODE SWITCH $17.99 (9 Bids) Time Remaining: 19h 29m |
 Genie Carriage Assembly Screw Drive Garage Door Openers $9.95 Time Remaining: 2d 23h 1m Buy It Now for only: $9.95 |
 multi code garage door opener by linear $4.99 (1 Bid) Time Remaining: 20h 9m |
 MultiCode 3089 Garage Door Opener or Gate Opener Remote $11.05 Time Remaining: 23d 19h 43m Buy It Now for only: $11.05 |
 Chamberlain 953D 953CD Garage Door Remote Control Opener 373LM Craftsman 53753 $17.99 Time Remaining: 20h 40m Buy It Now for only: $22.99 |
 Craftsman 3 function Garage Door Opener 315 139 53753 $9.99 (1 Bid) Time Remaining: 21h 13m |
 LiftMaster 375LM Universal Gate or Garage Door Opener Remote Control 371LM 971LM $16.94 Time Remaining: 25d 18h 52m Buy It Now for only: $16.94 |
 Genie Garage Door Opener Sequencer Circuit Board 24350S 20121R 0992 $19.70 (6 Bids) Time Remaining: 22h 30m |
 LiftMaster 375LM Universal Garage Door Opener Remote $14.41 Time Remaining: 20d 18h 32m Buy It Now for only: $14.41 |
 CRAFTSMAN 1 2 HP CHAIN DRIVE GARAGE DOOR OPENER 53930 POWER HEAD ONLY $30.00 (8 Bids) Time Remaining: 22h 55m |
 CHAMBERLAIN CLICKER UNIVERSAL GARAGE DOOR REMOTE OPENER KLIK1U $19.99 Time Remaining: 23h 5m Buy It Now for only: $22.99 |
 GSM Gate Barrier Garage Door Opener with a Free Call 1 Output 2 Inputs RTU5015 $119.99 Time Remaining: 29d 37m Buy It Now for only: $119.99 |
 CHAMBERLAIN CLICKER UNIVERSAL GARAGE DOOR REMOTE OPENER KLIK1U $19.99 Time Remaining: 23h 5m Buy It Now for only: $22.99 |
 Brand New 877MAX Liftmaster Wireless Keyless Entry Keypad Garage Door Openers $21.99 Time Remaining: 20d 18h 32m Buy It Now for only: $21.99 |
 CHAMBERLAIN CLICKER UNIVERSAL GARAGE DOOR REMOTE OPENER KLIK1U $19.99 Time Remaining: 23h 5m Buy It Now for only: $22.99 |
 SEARS CRAFTSMAN GARAGE DOOR OPENER WALL CONTROL $4.99 Time Remaining: 23h 36m |
 Marantec Viper Martin Harrison M3 2312 Garage Door Opener Remote 315MHz $19.95 Time Remaining: 6d 19h 33m Buy It Now for only: $19.95 |
 SEARS CRAFTSMAN GARAGE DOOR OPENER KEYLESS ENTRY MODEL 53876 $5.00 (1 Bid) Time Remaining: 23h 37m |
 LiftMaster 375LM Universal Gate or Garage Door Opener Remote Control 371LM 971LM $14.54 Time Remaining: 20d 18h 32m Buy It Now for only: $14.54 |
 Stanley Garage Door Opener Carrier Link $12.00 (1 Bid) Time Remaining: 1d 1h |
 gate garage door opener + 3 remote control $36.00 Time Remaining: 1d 1h Buy It Now for only: $45.00 |
 Liftmaster 81LM Compatible Firefly 390LMPB1K Garage Door Opener Keychain remote $13.99 Time Remaining: 24d 1h 45m Buy It Now for only: $13.99 |
 gate garage door opener + 3 remote control $36.00 Time Remaining: 1d 1h Buy It Now for only: $45.00 |
 gate garage door opener + 3 remote control $36.00 Time Remaining: 7d 18h 14m Buy It Now for only: $36.00 |
 Clicker Garage Door Opener Universal Remote CLT1 $9.99 Time Remaining: 1d 1h 24m Buy It Now for only: $24.99 |
 Craftsman Sears Mini Remote 53752 Garage Door Opener Liftmaster 370LM Keychain $22.50 (7 Bids) Time Remaining: 1d 1h 33m |
 371LM liftmaster sears chamberlain remote transmitter garage door opener $16.60 Time Remaining: 26d 1h 15m Buy It Now for only: $16.60 |
 Craftsman Sears Remote Garage Door Opener 53778 Liftmaster 61LM 63LM 13953778 $10.50 (9 Bids) Time Remaining: 1d 1h 40m |
 Liftmaster Chamberlain Sears Craftsman 850CB Garage Door Opener Remote $15.00 Time Remaining: 29d 18h 29m Buy It Now for only: $15.00 |
 Craftsman Sears Remote Garage Door Opener Control 53879 Liftmaster 81LM Used $18.39 (15 Bids) Time Remaining: 1d 1h 41m |
 Craftsman Sears Remote Garage Door Opener 53681B 53681 Liftmaster 973LM Used $19.50 (10 Bids) Time Remaining: 1d 1h 42m |
 STANLEY GARAGE DOOR OPENER LIMIT SWITCH 49222S $18.95 Time Remaining: 5d 14h 48m Buy It Now for only: $18.95 |
 Craftsman Sears Remote Garage Door Opener 53753 Liftmaster 373LM 13953753 Used $15.00 (6 Bids) Time Remaining: 1d 1h 43m |
 Overhead Door Remote Opener Control 390 frequency $25.99 Time Remaining: 13h 1m Buy It Now for only: $25.99 |
 Craftsman Keypad 53876 Garage Door Opener Remote Liftmaster 66LM 13953876 Used $5.53 (5 Bids) Time Remaining: 1d 1h 46m |
 Clicker Garage Door Opener Universal Remote KLIK1U 375LM Liftmaster Craftsman $15.06 (9 Bids) Time Remaining: 1d 1h 47m |
 LiftMaster 893MAX Visor Style Garage Door Opener Remote $16.52 Time Remaining: 20d 18h 32m Buy It Now for only: $16.52 |
 Clicker Garage Door Opener Keypad Universal Remote KLIK2U 387LM Liftmaster $14.50 (16 Bids) Time Remaining: 1d 1h 48m |
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Coca-Cola Wall Mount Bottle Opener
Sale Price: $6.25  |
DescriptionThis is a reproduction of our classic 'Drink Coca-Cola' STARR "X" Bottle Opener. Does not carry the patent# nor the STARR "X" trademark on the bottom of the opener. But is still a great item. Perfect for your kitchen, home bar, deck or any other gathering place... |
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Black & Decker CO85 Spacemaker Can Opener, White
Sale Price: $21.95 |
DescriptionB&D Spacemaker Can Opener |
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Two Timin' Baby
Sale Price: $8.95 |
Description1986 Swedish vinyl LP. |
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Two Timin' Baby
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![Two Timin' Baby [Vinyl]](http://www.romehousing.com/media/images/i/51p-0G97qbL._SL75_.jpg) |
Two Timin' Baby [Vinyl]
List Price: |
Description(Import Vinyl LP) |
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Liftmaster 371LM 315MHz Garage Door Remote(See Tech. Details Below)
List Price: |
Description315 MHZ Frequency, over 100 billion codes with code rotating technology. Optimize electronic stability and range. Featuring Enhanced Radio Technology (ERT). 1 channel/button transmitter, compatible with models manufactured from 2005... |
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Chamberlain KLIK1U Clicker Transmitter Universal Garage Door Remote Control
List Price: |
DescriptionThe Chamberlain KLIK1U Clicker Universal Remote Control is an easy-to-program remote control that is compatible with major brands of garage door systems. The Clicker can operate two different frequencies at the same time, so you can combine two remotes into one... |
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Liftmaster 971LM 390Mhz Garage Door Remote
List Price: |
DescriptionSecurity + 390 MHZ Frequency, over 100 billion codes with code rotating technology, 1 channel/button transmitter. Compatible with Chamberlain 950CB, 953CB, 956CB and Chamberlain openers with an Amber light and Redish Orange Learn button on motor head under light cover. |
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King Lear Jet
Sale Price: $1.99 |
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Stockholm and Helsinki
Sale Price: $1.99 |
Garage Door Openers - I Can Not Imagine Life Without Them
A Garage door opener is a piece of equipment used for opening and closing garage doors. Most models are remote controlled. Garage door openers are simple but extremely useful devices. So much so, that it's hard to imagine living without them now.
The first garage door opener consisted of a radio transmitter, a receiver and an actuator to open or close the door. In this the receiver would detect a change in the amplitude and would open or close the door. However there was a security concern with these kinds of garage door openers. They could be opened by anybody with a transmitter. Also there were accidental openings of garage doors by neighbors trying to open their doors. The later door openers used a shared frequency to overcome the accidental opening by other users. Using dipswitches a total of 256 combinations were made to prevent interference from other garage door openers. However the security issue was still not overcome.
The present day garage door openers use rolling frequency or hopping code technology. In these the frequency of opening is look ahead type, that means every time the door is opened then the next time the door will be opened by another frequency.
The technology for garage door openers is fairly simple. Three kinds are used, chain drive, screw drive and belt drive. Chain drives are noisy as they use a metallic chain along with a metal trolley. However they are fairly cheap about $130 Screw drives consists of a threaded lead screw. They start at about $150 The newer models consist of plastic lined tracks to reduce the noise and increase the speed of opening. Belt drives are the costliest and the quietest. They begin at about $170
There is a misconception that the lifting is done by the door opener. However the actual lifting is done by the springs. When the door is closed the springs come into tension. When the door is being opened the spring does most of the lifting. There are two types linear expansion springs and torsional springs. Garage door openers are of two types, jackshaft type and trolley type. The jackshaft type occupies less space. The trolley type consists of trolley attached to the door and also to the motor. This occupies space in the ceiling but is more popular because it is safer. In jackshaft type, it is difficult to sense when someone is being crushed under the door. There are two types of motors available, AC and DC. AC is more common but DC has many advantages. It consumes less electricity, the speed is easily controlled and makes less noise.
There are some models which auto reverse incase of obstruction like a pet or a child. The remotes usually operate up to a distance of 150 feet. The remote can be used to switch on the light of the garage also. Most garage door openers come with a keypad, which can be installed outside the garage. This is used to open the garage, if the remote batteries are down or the user has forgotten the remote. Most garage door openers allow emergency release so that the door can be opened manually in case of power failures.
About the Author
Tyson J Stevenson is a prolific writer of useful articles on a variety of topics. Related resources:
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