Apparatus for determining the true cross slope of a blade

Details Apparatus for determining the true cross slope of a blade Apparatus for determining the true cross slope of a blade

1983-07-01

1985-10-08

Stouffer, Richard T.

Earth working

With indicating or sighting means

33185V, 172 45, E03F 376

Patent

active

045454396

ABSTRACT:
A blade cross slope sensor includes a first T-member having a stem mounted on the drawbar of a road grader for rotation about a first axis parallel to the axis about which the blade rotates and being coupled to the blade for rotation through the same angle. A yoke is pivotal on the arms of the T-member and a second T-member is pivotal on the yoke about a second axis perpendicular to the first axis. A scissors assembly has a first portion mounted on the grader main frame for pivotal movement about a third axis parallel to the direction that the grader travels and a second portion coupled to the first portion for pivotal movement about a fourth axis parallel to the third axis. The second scissors portion is also pivotally connected to the arms of the second T-member which defines the true cross slope of the blade.

REFERENCES:
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patent: 3026638 (1962-03-01), Hayner et al.
patent: 3052997 (1962-09-01), Holland
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patent: 3426146 (1969-02-01), Seaman
patent: 3674094 (1972-07-01), Kuntz
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patent: 3791452 (1974-02-01), Long et al.
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patent: 4081033 (1978-03-01), Bulger et al.
patent: 4213503 (1980-07-01), Elmberg et al.
patent: 4431060 (1984-02-01), Scholl et al.

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