Work vehicles with cylinder cushioning arrangement

摘要

A work vehicle with the cylinder cushioning arrangement includes two frame members coupled together with two hydraulic cylinders that are cross-coupled to each other. Each of the two hydraulic cylinders includes a flow-restricted port (at either its rod end or the cylinder end) that throttles hydraulic fluid flow.

主权项

1. A work vehicle with a cylinder cushioning arrangement, comprising:
a first vehicle frame member; a second vehicle frame member pivotally coupled to the first vehicle frame member at a pivot joint wherein the pivot joint defines an axis of pivot; a first hydraulic cylinder coupled to and between the first vehicle frame member and the second vehicle frame member, the first hydraulic cylinder having a unrestricted cylinder end port, an unrestricted rod end port, and either a restricted rod end port or a restricted cylinder end port; a second hydraulic cylinder coupled to and between the first vehicle frame member and the second vehicle frame member, the second hydraulic cylinder having an unrestricted cylinder end port, and unrestricted rod end port and either a restricted rod end port or a restricted cylinder end port; a first conduit hydraulically coupling the unrestricted rod end port of the first hydraulic cylinder to the unrestricted cylinder end port of the second hydraulic cylinder; and a second conduit hydraulically coupling the unrestricted cylinder end port of the first hydraulic cylinder to the unrestricted rod end port of the second hydraulic cylinder.