Patent ID: 8528671
Filing Date: 2013-09-10
Classification: B62D

Abstract:
1. An integrated track adjustment/recoil system unit for installation in a track roller frame of a machine, the unit comprising: a track adjust cylinder defining a bore extending therethrough and including a bulkhead attachment flange defining an array of fastener bores, and one end of the bore being defined by a set of internal threads; a track adjust piston partially received in the bore and being surrounded by the array of fastener bores; a joining component defining a fluid passage therethrough and including a first set of external threads mated to the internal threads of the track adjust cylinder, and a second set of external threads; a gas cylinder with a set of internal threads mated to the second set of external threads of the joining component; a recoil piston positioned inside the gas cylinder and having a hydraulic face exposed to fluid pressure in the track adjust cylinder, and a pneumatic face exposed to fluid pressure in the gas cylinder; the recoil piston and the gas cylinder defining a gas volume; and the recoil piston, the gas cylinder, the joining component, the track adjust cylinder and the track adjust piston defining a grease volume.