Patent ID: 9381960
Filing Date: 2016-07-05
CPC Classification: B62D

Claim Text:
1. A recoil system for a track assembly having a track roller frame and an idler movable relative to the track roller frame in opposing first and second directions, the recoil system comprising: a spring; a track adjust cylinder; an end plate; and a track adjust piston received in the track adjust cylinder, the spring being arranged with a first end abutting against the track adjust cylinder and a second end abutting against the end plate, the track adjust cylinder and the track adjust piston being movable in the first and second directions in response to movement of the idler with movement of the track adjust cylinder in the second direction compressing the spring against the end plate; wherein the track adjust cylinder is adapted to rotate with the first end of the spring relative to the track adjust piston as the spring compresses and extends in response to movement of the track adjust cylinder in the first and second directions and wherein the second end of the spring is fixed against rotation relative to the end plate.