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2. Sprocket - Wikipedia

   en.wikipedia.org/wiki/Sprocket

   Sprockets typically do not have a flange. Some sprockets used with timing belts have flanges to keep the timing belt centered. Sprockets and chains are also used for power transmission from one shaft to another where slippage is not admissible, sprocket chains being used instead of belts or ropes and sprocket-wheels instead of pulleys. They can ...

3. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.

4. Timing belt (camshaft) - Wikipedia

   en.wikipedia.org/wiki/Timing_belt_(camshaft)

   A timing chain (installed around the two circular cam sprockets) In a piston engine , either a timing belt (also called a cambelt ) or timing chain or set of timing gears is a perishable component used to synchronize the rotation of the crankshaft and the camshaft .

5. List of gear nomenclature - Wikipedia

   en.wikipedia.org/wiki/List_of_gear_nomenclature

   Shaft angle. A shaft angle is the angle between the axes of two non-parallel gear shafts. In a pair of crossed helical gears, the shaft angle lies between the oppositely rotating portions of two shafts. This applies also in the case of worm gearing. In bevel gears, the shaft angle is the sum of the two

6. Chain drive - Wikipedia

   en.wikipedia.org/wiki/Chain_drive

   Although the device did not transmit power continuously since the chains "did not transmit power from shaft to shaft, and hence they were not in the direct line of ancestry of the chain-drive proper", [4] the Greek design marks the beginning of the history of the chain drive since "no earlier instance of such a cam is known, and none as complex ...

7. Gear train - Wikipedia

   en.wikipedia.org/wiki/Gear_train

   Special gears called sprockets can be ... (17.5 km/h) 3rd gear: 16.6 in (420 mm) ... a transmission with an engine shaft to drive shaft ratio of 4:1 in first gear and ...