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2. Idler-wheel - Wikipedia

   en.wikipedia.org/wiki/Idler-wheel

   An idler gear is a gear wheel that is inserted between two or more other gear wheels. The purpose of an idler gear can be two-fold. Firstly, the idler gear will change the direction of rotation of the output shaft. Secondly, an idler gear can assist to reduce the size of the input/output gears whilst maintaining the spacing of the shafts.

3. Line shaft - Wikipedia

   en.wikipedia.org/wiki/Line_shaft

   The fixed pulley on the upper shaft is driven at constant speed by a belt from the power source. The loose pulley ('idler') allows the machine to be stopped in isolation – necessary for changing speed. The stepped pulleys (left) provide three drive speeds for the machine tool (not shown), depending on which pair of pulleys is connected by the ...

4. Conveyor belt - Wikipedia

   en.wikipedia.org/wiki/Conveyor_belt

   The powered pulley is called the drive pulley, while the unpowered pulley is called the idler pulley. There are two main industrial classes of belt conveyors; Those in general material handling such as those moving boxes along inside a factory and bulk material handling such as those used to transport large volumes of resources and agricultural ...

5. Pulley - Wikipedia

   en.wikipedia.org/wiki/Pulley

   A sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force. A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain.

6. Belt (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Belt_(mechanical)

   The entire belt may be tensioned by a single idler pulley. The nomenclature used for belt sizes varies by region and trade. An automotive belt with the number "740K6" or "6K740" indicates a belt 74 inches (190 cm) in length, 6 ribs wide, with a rib pitch of 9 ⁄ 64 of an inch (3.6 mm) (a standard thickness for a K series automotive belt would ...

7. Gear train - Wikipedia

   en.wikipedia.org/wiki/Gear_train

   An intermediate gear which does not drive a shaft to perform any work is called an idler gear. Sometimes, a single idler gear is used to reverse the direction, in which case it may be referred to as a reverse idler. For instance, the typical automobile manual transmission engages reverse gear by means of inserting a reverse idler between two gears.

8. Idler pulley - Wikipedia

   en.wikipedia.org/?title=Idler_pulley&redirect=no

   This page was last edited on 7 October 2008, at 21:32 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

9. Tank steering systems - Wikipedia

   en.wikipedia.org/wiki/Tank_steering_systems

   The steering shaft is split into two output shafts through a clutch system that allows the outputs to spin forward, backward, or not at all. An idler reverses the direction on one side, so they always spin in opposite directions. [2] With the clutch off, so the shaft does not spin, the idlers in the two differentials are fixed in place.