Earth working – Automatic power control – Land leveller type
Patent
1977-01-17
1980-07-22
Stouffer, Richard T.
Earth working
Automatic power control
Land leveller type
E02F 376
Patent
active
042135036
ABSTRACT:
In a slope control apparatus for the working tool of a motor grader or other earth working machine, the slope sensor used for controlling the slope of the tool is mounted on a revolving platform the attitude of which is corrected by a factor related to the rotational angle of the tool about a vertical axis and also related to the angle of the tool with respect to the line of flight axis of the machine. The apparatus is mounted in a fashion to allow the tool to be swung to a vertical position without damage to said apparatus.
REFERENCES:
patent: 2941319 (1960-06-01), Beemer et al.
patent: 2961783 (1960-11-01), Bowen et al.
patent: 3026638 (1962-03-01), Hayner et al.
patent: 3303589 (1967-02-01), Rivinius
patent: 3791452 (1974-02-01), Long et al.
Elmberg Dwayne R.
Hawkins Royal R.
Honeywell Inc.
Joike Trevor B.
Stouffer Richard T.
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