Blade control apparatus of a motor grader including wand vibrati

Details Blade control apparatus of a motor grader including wand vibrati Blade control apparatus of a motor grader including wand vibrati

1975-09-22

1977-03-01

Stouffer, Richard T.

Earth working

Automatic power control

Land leveller type

200 6144, A01B 6506, E02F 376

Patent

active

040097587

ABSTRACT:
An improved control apparatus of a motor grader for maintaining the grader blade relative to a reference line has a biasing element connected to an actuating wand and associated with the reference line for urging the reference line toward the actuating wand of the controls at a preselected force for damping undesirable vibrations of the wand.

REFERENCES:
patent: 432809 (1890-07-01), Weaver
patent: 1336375 (1920-04-01), Owen
patent: 1360189 (1920-11-01), Cushing
patent: 1799717 (1931-04-01), Wilson
patent: 1906058 (1933-04-01), Gray
patent: 1917086 (1933-07-01), Beauchamp
patent: 3495663 (1970-02-01), Scholl et al.
patent: 3561538 (1971-02-01), Curlett et al.
patent: 3743026 (1973-07-01), Gill et al.

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