Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The Century Dictionary and Cyclopedia

  • n. A pin-chain of the link-belt type having a loose roller on each pin that joins the links. The roller serves to give a rolling contact with the sprocket-wheel of a conveyer and as a bearing to support the chain when it is drawn over an uneven surface, as in a car-haul.


Sorry, no etymologies found.


  • Engineering details even extend to a roller-chain cam-drive sprocket lined with rubber for quiet operation.



Log in or sign up to get involved in the conversation. It's quick and easy.