DEVICE FOR JOINTING OF DOUBLE-LINK CATERPILLAR TRUCK Russian patent published in 2003 - IPC

FIELD: transport machinery industry. SUBSTANCE: the device is equipped with four hydraulic cylinders positioned in pairs in the horizontal and vertical planes and providing for a turn of one truck link relative to the other booth in the horizontal and vertical planes. The truck links have a ball-and-socket joint. A sealing device representing a toroidal chamber filled with compressed air is built in the outer part of the joint. The inner surface of the outer part and the outer surface of the inner part of the joint are coated with grease. A stop restricting the angle of turn of one link of the truck relative to the other is positioned on the outer surface of the joint inner part. EFFECT: enhanced reliability of the jointing device providing for turns of the bodies both in the horizontal and vertical planes, a protected tambour-tunnel is formed between them for passage of the members of the crew at transportation of ammunition. 3 dwg