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A ratchet consists of a round gear or a linear rack with teeth, and a pivoting, spring-loaded finger called a pawl (or click, in clocks and watches [1] [2]) that engages the teeth. The teeth are uniform but are usually asymmetrical, with each tooth having a moderate slope on one edge and a much steeper slope on the other edge.
Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.
Hirth joint made from anodized aluminum to show the meshing of the teeth Hirth joint (disassembled) between the semi-axles of a Campagnolo Ultra-Torque crankset. A Hirth joint or Hirth coupling is a type of mechanical connection named after its developer Albert Hirth. It is used to connect two pieces of a shaft together and is characterized by ...
The AAR/APTA TypeE, TypeF, and TypeH couplers are all compatible Janney couplers, but used for different rail cars (general freight, tank cars, rotary hoppers, passenger, etc.). The knuckle coupler or Janney coupler was invented by Eli H. Janney , who received a patent in 1873 ( U.S. patent 138,405 ). [ 20 ]
Hyperglide or HG: Fits 7, 8, 9 and 10-speed cassette with down to 11-teeth (11T) sprockets, and is a very common freehub. Hyperglide 11 or HG-11: Fits 11 speed and 12 speed cassettes with down to 11T sprocket, and is wider than the original Hyperglide.
The American-180 is a submachine gun developed in the 1960s which fires the .22 Long Rifle or .22 ILARCO cartridges from a pan magazine. The concept began with the Casull Model 290 that used a flat pan magazine similar to designs widely used prior to World War II .
Ratchet: Deadlocked (known as Ratchet: Gladiator in Europe and Australia) is a 2005 third-person shooter platform video game developed by Insomniac Games and published by Sony Computer Entertainment for the PlayStation 2. It is the fourth installment of the Ratchet & Clank series.
Ratchet & Clank Collection [24] (known as The Ratchet & Clank Trilogy in Europe [25]) is a video game that contains high-definition remastered ports of the PlayStation 2 games Ratchet & Clank, Going Commando, and Up Your Arsenal for the PlayStation 3 on a single Blu-ray Disc as a Classics HD title, published by Sony Computer Entertainment.