Automatic air and electric railway car coupler

Claim 1

IN AN AUTOMATIC RAILWAY CAR COUPLER OF THE TYPE HAVING A COUPLER HEAD CARRIED ON ONE CAR ADAPTED TO BE LOCKED WITH A COUNTERPART MATING COUPLER HEAD CARRIED ON ANOTHER CAR, A COUPLER HEAD COMPRISING: (A) A BODY PORTION BY WHICH THE COUPLER HEAD IS SECURED TO THE CAR, (B) A FACE PLATE FIXED ON SAID BODY PORTION PERPENDICULARLY TO THE LONGITUDINAL CENTER LINE OF THE CAR AND ADAPTED FOR MAKING ABUTTING CONTACT WITH A CORRESPONDINGLY DISPOSED FACE PLATE ON THE COUNTERPART MATING COUPLER HEAD IN A COUPLED RELATION OF THE COUPLER HEADS, (C) SAID FACE PLATE HAVING A GUIDE PIN PROJECTING PERPENDICULARLY THEREFROM AND A GUIDE BORE FORMED THEREIN IN SPACED RELATION TO SAID GUIDE PIN, SAID GUIDE PIN HAVING A NOTCH THEREIN AND SAID GUIDE PIN AND GUIDE BORE BEING ADAPTED TO REGISTER WITH A GUIDE BORE AND A GUIDE PIN, RESPECTIVELY, CORRESPONDINGLY DISPOSED ON THE FACE PLATE OF A COUNTERPART MATING COUPLER HEAD, (D) A LATCH MEMBER CARRIED ON SAID BODY PORTION AND BIASED IN A DIRECTION FOR ENGAGING THE NOTCH FORMED IN THE GUIDE PIN ON THE FACE PLATE ON THE COUNTERPART