Sealing assembly and hinge of track having the sealing assembly

A sealing assembly for sealing a lubrication chamber at least partially defined by a first portion of a track and a second portion of the track, the second portion being at least pivotable relative to the first portion, the sealing assembly comprising:

• a sealing ring having an annular sealing edge configured to sealingly abut on an end surface of the first portion,
• an elastic ring configured to abut on the second portion and to urge the sealing ring in an axial direction towards the first portion, the elastic ring having an axially-projecting, hollow cylinder-shaped sealing lip that at least substantially encloses the sealing edge of the sealing ring in a radial direction and is configured to sealingly abut on the end surface of the first portion when the first and second portions shift towards each other in the axial direction, and
• a support ring disposed between the sealing ring and the elastic ring.

A hinge of a track having a sealed oil lubrication chamber at least partially defined by a pin, a bushing rotatably supported on the pin and a seal, the seal comprising:

• a sealing ring having substantially an L-shape and including an annular-extending sealing edge sealingly abutting on a radially-extending end surface of the bushing,
• an elastic ring urging the sealing ring in an axial direction towards the bushing, the elastic ring having an axially-projecting, hollow cylinder-shaped sealing lip that at least substantially radially surrounds the sealing edge of the sealing ring and is configured to sealingly abut on the radially-extending end surface of the bushing when the bushing is axially shifted during operation from a home position towards the elastic ring, and
• a support ring disposed between the sealing ring and the elastic ring.