coupling pin

1 definition found

coupling pin - Collaborative International Dictionary of English v.0.48 :

  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]