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Coupler vs Bushing - What's the difference?

coupler | bushing |

As nouns the difference between coupler and bushing

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while bushing is (mechanical engineering) a type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.

coupler

Noun

(en noun)
  • Someone who couples things together, especially someone whose job it is to couple railway carriages.
  • Anything that serves to couple things together; but especially a device that couples railway carriages.
  • (music) A device that connects two keyboards of an organ together so that they play together.
  • A device used to convert electronic information into audible sound signals for transmission over telephone lines.
  • An electrical device used to transfer energy from one electric device to another, especially without a physical connection.
  • ----

    bushing

    Noun

    (en noun)
  • (mechanical engineering) A type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.
  • (mechanical engineering) An elastic bearing used as a type of vibration isolator, commonly made of rubber. An interface between two parts, damping the movement and the energy transmitted.
  • (mechanical engineering) A threaded bushing, is a fastener element that is inserted into an object, usually to add a threaded hole in a softer or thin material.
  • (electrical engineering) A lining for an opening through which a conductor passes, providing insulation and mechanical protection for the conductor.
  • An adapter for joining pipes of different size.