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Chamberlain, LiftMaster, and Craftsman have interchangeable parts, primarily the gear and circuit boards. The greatest difference between the brands is that Chamberlain and Craftsman operate on a square shaped split-rail system, while LiftMaster consists of one single solid piece of inverted t-shaped rail.
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.
Title screen of YouTube Originals. YouTube Premium, formerly known as YouTube Red, is a subscription service that provides advertising-free streaming of all videos hosted by YouTube, offline play and background playback of videos on mobile devices, access to advertising-free music streaming through YouTube Music, and access to "YouTube Original" series and films.
On June 18, 2018, YouTube rebranded the service as YouTube Premium. The price of the service also changed from US$9.99 to US$11.99 per month for new subscribers. The existing pricing, as well as bundling of YouTube Premium with Google Play Music, was grandfathered in some countries for those who subscribed prior to the rebranding. Alongside the ...
A two-pulley jackshaft redirecting belt power from horizontal to vertical. A jackshaft, also called a countershaft, is a common mechanical design component used to transfer or synchronize rotational force in a machine. A jackshaft is often just a short stub with supporting bearings on the ends and two pulleys, gears, or cranks attached to it.
A Crocodile of the Swiss Federal Railways.Each set of 6 driving wheels is driven by a jackshaft between the driving wheels, gear-driven by a pair of traction motors. A jackshaft is an intermediate shaft used to transfer power from a powered shaft such as the output shaft of an engine or motor to driven shafts such as the drive axles of a locomotive.
The opening sequence to the 2009 Disney-Pixar film Up (sometimes referred to as "Married Life" after the accompanying instrumental piece, [1] the Up montage, or including the rest of the prologue The First 10 Minutes of Up) has become known as a cultural milestone and a key element to the film's success.
Three safecracking methods seen in movies were also tested on the television show MythBusters, with some success. [ 15 ] [ 16 ] While the team was able to blow the door off of a safe by filling the safe with water and detonating an explosive inside it, the contents of the safe were destroyed and filling the safe with water required sealing it ...