DRAW-AND-COUPLER GEAR Russian patent published in 2008 - IPC B60D1/06 

FIELD: transport engineering; railless road vehicles.

SUBSTANCE: proposed draw-and-coupler gear has ball head consisting of two parts, lower and upper one interconnected by round projection and cavity and connected by pin. Round slot is made on inner vertical surface of round cavity of upper part of ball head. Said round slot is semicircle in cross section. Pair of ball-type solids of revolution is arranged in said slot when car and trailer are coupled. Solids of revolution are arranged in cylindrical channel made in diametric plane of circular projection of lower part of ball head. Said solids of revolution engage through compression springs and pushers with cylindrical generating surface of pin. Pin is arranged in vertical channels of upper and lower parts of ball head.

EFFECT: improved reliability of draw-and-coupler gears of passenger cars.

4 dwg