'Coupling pin' definitions:

Definition of 'Coupling pin'

From: GCIDE
  • Coupling \Coup"ling\ (-l?ng), n.
  • 1. The act of bringing or coming together; connection; sexual union. [1913 Webster]
  • 2. (Mach.) A device or contrivance which serves to couple or connect adjacent parts or objects; as, a belt coupling, which connects the ends of a belt; a car coupling, which connects the cars in a train; a shaft coupling, which connects the ends of shafts. [1913 Webster]
  • Box coupling, Chain coupling. See under Box, Chain.
  • Coupling box, a coupling shaped like a journal box, for clamping together the ends of two shafts, so that they may revolve together.
  • Coupling pin, a pin or bolt used in coupling or joining together railroad cars, etc. [1913 Webster]