wrist pin


nounMachinery.
  1. a pin joining the end of a connecting rod to a trunk piston or the end of a piston rod.

Origin of wrist pin

1
First recorded in 1870–75

Words Nearby wrist pin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use wrist pin in a sentence

  • Upon A-7a and A-5a engines a small tube supplies oil from connecting rod bearing directly upon the wrist pin.

    Aviation Engines | Victor Wilfred Pag
  • The wrist pin member is a simple cylindrical element that fits the bosses closely, and it may be either hollow or solid stock.

    Aviation Engines | Victor Wilfred Pag
  • If the wrist pin was free to move it would work out of the bosses enough so that the end would bear against the cylinder wall.

    Aviation Engines | Victor Wilfred Pag
  • The outer brass is adjustable, being forced toward the wrist-pin by a sliding wedge which is operated by one or more set-screws.

    Steam Engines | Anonymous
  • The other end of the walking-beam is operated by a pitman shaft connecting with a crank wrist pin near the ground.

    Farm Mechanics | Herbert A. Shearer

British Dictionary definitions for wrist pin

wrist pin

noun
  1. a cylindrical boss or pin attached to the side of a wheel parallel with the axis, esp one forming a bearing for a crank

  2. US and Canadian the pin through the skirt of a piston in an internal-combustion engine, to which the little end of the connecting rod is attached: Also called (esp in Britain): gudgeon pin

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012