E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/84 (2006.01) E02F 3/76 (2006.01) E02F 9/20 (2006.01)
Patent
CA 2326580
The position of the blade of a motor grader is controlled to maintain a smoothly graded surface even when the grader's front wheels travel over undulating ungraded ground. This is accomplished by sensing the degree to which the grader frame pivots with respect to the rear wheels and employing the pivot angle to derive the resultant change in blade position. That change is used to operate a mechanism that produces movement of the blade relative to the earth thereby compensating for effects of the pivoting action.
Barber Dennis R.
Mullins Patrick T.
Fetherstonhaugh & Co.
Husco International Inc.
LandOfFree
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