Idler
Encyclopedia
An idler is a mechanical device such as an idler pulley or idler wheel
Idler-wheel
An idler-wheel drive is a system used to transmit the rotation of the main shaft of a motor to another rotating device. For example the platter of a record-reproducing turntable or the crankshaft-to-camshaft gear train of an automobile....

 that is secondary to the main transfer of power in a mechanical system. They are support rollers on which conveyor belt
Conveyor belt
A conveyor belt consists of two or more pulleys, with a continuous loop of material - the conveyor belt - that rotates about them. One or both of the pulleys are powered, moving the belt and the material on the belt forward. The powered pulley is called the drive pulley while the unpowered pulley...

s move. They are cylindrical in shape and support the weight of the belt and the materials being transported on it.

See also

  • Gear ratio
    Gear ratio
    The gear ratio of a gear train is the ratio of the angular velocity of the input gear to the angular velocity of the output gear, also known as the speed ratio of the gear train. The gear ratio can be computed directly from the numbers of teeth of the various gears that engage to form the gear...

  • The Idler
    The Idler
    There have been three British publications called The Idler:* The Idler , a series of essays by Samuel Johnson and his contemporaries.* The Idler , a literary and humorous magazine started by Jerome K...

     magazines and an essay collection entitled The Idler
    The Idler
    There have been three British publications called The Idler:* The Idler , a series of essays by Samuel Johnson and his contemporaries.* The Idler , a literary and humorous magazine started by Jerome K...

  • wiktionary:idler
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