E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/76 (2006.01) E02F 3/80 (2006.01)
Patent
CA 2527919
An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there is a front or first A-frame and a rear or second A-frame. The A-frames are connected to the overall chassis at points close to but offset from the point of vehicle articulation via ball joints and via hydraulic suspension cylinders toward the wider portions of the "A"s. The vehicle is propelled along the ground by independently driven tracks. The invention includes a feature to limit the motion of the suspension system based on the load appied to the suspension cylinders, i.e., the pressure experienced by the head end of the suspension cylinders. This is accomplished via pilot operated check valves.
Allen Lyal Douglas
Nagorcka James Arthur
Radke Daniel Dean
Borden Ladner Gervais Llp
Deere & Company
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