RUBBER-METAL HINGE FOR VEHICLE CATERPILLAR CHAIN Russian patent published in 2021 - IPC B62D55/215 B62D55/20 

FIELD: rubber-metal hinges.

SUBSTANCE: invention relates to rubber-metal hinges of vehicle track chains. The rubber-metal hinge contains rubber rings pressed onto the hinge pin and metal elements installed on the hinge pin in the intervals between the rubber rings. Metal elements are made in the form of finger surface seats. On the inner surface of the ring there is an annular groove symmetrical about its vertical axis, corresponding to the annular groove made on the outer surface of the pin between the seats. They are equipped with a spring ring element, which is a limiter of the axial movement of the ring relative to the seats. Fillets are made in the areas of transition from the diameter of the seats to the diameter of the rest of the finger surface. The outer surface of the metal ring is made in the form of the outer lateral surface of a circular barrel.

EFFECT: increased reliability and durability of the rubber-metal hinge is achieved.

1 cl, 3 dwg