Coupling arm for toy railway coach - has pivot and guide pins slidable in straight and curved slots respectively in coach floor

摘要

A toy railway coach has a coupling arm which is attached to the wheel frame by means of a pivot pin. The same pivot pin is used to connect the wheel frame to an oblong slot in the coach floor. A guide pin which is fixed to the coupling arm, is engaged in a curved slot in the floor near the end of the coach. The pivot location slot is such that the axial movement of the coupling arm, due to the curved guide slot is not restricted.