B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/116 (2006.01) B60G 17/00 (2006.01)
Patent
CA 2643116
A leveling apparatus for excavator and forestry machine equipment is provided. The leveling apparatus is mounted between an upper swing structure and a lower frame formed on a lower driving structure including a swing bearing, left and right track chassis, and a front arm and a rear arm connected to upper parts of the track chassis, to keep a horizontal level of the upper swing structure against an inclined ground. The leveling apparatus includes a swing bearing mounting plate mounted on a lower part of the swing bearing and including a pair of pivot support parts and a pair of second piston holders; a support plate fixedly installed on an upper part of the lower frame and having a pair of pivot support parts; a tilt plate mounted between the swing bearing mounting plate and the support plate to be tilted, and including a pair of first pivot holders, a pair of second pivot holders, a first shaft; and a second shaft; and a pair of first actuators and a pair of second actuators; wherein the tilt plate includes a vertical center line crossing a center line in a length direction of the lower frame, and the respective actuators are installed to be radially apart from the vertical center line.
Kim In Woo
Park Young Ok
Volvo Construction Equipment Holding Sweden Ab
Yang Mark Ming-Jen
LandOfFree
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