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 for track chains of vehicles. The rubber-metal hinge contains rubber rings mounted on the hinge pin and metal elements pressed onto the hinge pin in the intervals between the rubber rings. The metal elements are made of two bushings pressed onto the hinge pin, on which a metal ring freely rotating relative to the bushings is installed at the same distance from the rubber rings. The sleeves are provided with collars. The outer surface of the metal ring is made in the form of the outer lateral surface of a circular barrel, formed by rotation around the axis of symmetry of the finger with a bulge located outward from this axis in a plane passing through it and symmetrically to the plane perpendicular to the axis of symmetry of the finger of an arc of a circle.

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

1 cl, 2 dwg