Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: idler pulley
  1. A pulley on a shaft that presses against a guide belt to guide or tighten it
    "The mechanic adjusted the idler pulley to reduce belt slippage";
    - idle pulley, idle wheel

Derived forms: idler pulleys

Type of: block, pulley, pulley block, pulley-block

Encyclopedia: Idler pulley