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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.
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.
7080–7119 / 12003–12032 : British Rail Class D3/7, single motor, jackshaft drive 7120–7129 / 12033–12042 : British Rail Class D3/8 (Later TOPS Class 11), twin motor NB: Production of the last-mentioned class continued after Nationalisation, with the following two locomotives emerging as M7130 and M7131 (later 12043/12044) and the ...
A home-use opener named the "Bull's head opener" was designed in 1865 and was supplied with cans of pickled beef named "Bully beef". The opener was made of cast iron and had a very similar construction to the Yeates opener, but featured a more artistic shape and was the first move towards improving the look of the can opener.
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 Winchester Model 1876, or Centennial Model, was a heavier-framed rifle than the Models 1866 and 1873, chambered for full-powered centerfire rifle cartridges suitable for big-game hunting, rather than the handgun-sized rimfire and centerfire rounds of its predecessors. [32]
The Opener of the Way is a collection of fantasy and horror short stories by American writer Robert Bloch. It was released in 1945 and was the author's first book. It was published by Arkham House in an edition of 2,065 copies. [ 1 ]
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