Hydraulically controlled bulldozer-blade

Details Hydraulically controlled bulldozer-blade Hydraulically controlled bulldozer-blade

1984-03-29

1985-11-12

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

37279, E02F 376

Patent

active

045522260

ABSTRACT:
A hydraulically controlled bulldozer-blade attachment, particularly for application to an endless track tractor, exhibits, with a view to an improved versatility of use and a better adaptability to the various ground outlines, two half-blades which are linked to a liftable and depressable intermediate frame, the linking axes of the half-blades being at a backward incline relative to the vertical line with reference to the advance direction and each half-blade being controllable by a double-acting jack of its own. At their ends, the half-blades have sloping extensions which can be oriented about horizontal axes arranged in the direction of advance as controlled by double-acting jacks.

REFERENCES:
patent: 3061955 (1962-11-01), Violette
patent: 3157099 (1964-11-01), Ulrich
patent: 3424251 (1969-01-01), Bouley
patent: 3823783 (1974-07-01), Luedtke
patent: 4019268 (1977-04-01), Waterman
patent: 4079791 (1978-03-01), Yoder
patent: 4099578 (1978-07-01), Stevens
patent: 4135583 (1979-01-01), Becker
patent: 4223461 (1980-09-01), Tackitt

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