TRAILER-TRAIN DRAW-AND-COUPLER GEAR Russian patent published in 2006 - IPC B60D1/06 

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear has ball head consisting of upper and lower parts intercoupled by means of boss and recess made on head parts and provided with vertical coaxial holes in which cylindrical connecting pin is fitted by round slot with lock in lower part of ball head whose upper part is arranged in drawbar body. Vertical hole in lower part of ball head is provided with longitudinal slot changing at end into round slot. Connecting pin in this section is provided with projection of shape identical to said slot and at other side, semispherical cavity for lock. Cross slot is found in upper end face part of connecting pin, and drawbar body in zone of slot is provided with cylindrical hole.

EFFECT: improved reliability of draw-and-coupler gear.

2 dwg