Scraper blade mount for bulldozer

Details Scraper blade mount for bulldozer Scraper blade mount for bulldozer

1991-12-04

1993-01-26

Reese, Randolph A.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

172824, E02F 376

Patent

active

051815745

ABSTRACT:
A bulldozer is provided with a ground scraping blade. The blade is supported to the chassis of the vehicle by a pivoted frame. The frame can be power displaced relative to the supporting chassis by a first pair of inclined rams, providing translational motion of the blade. A ram power displaces the blade in rotation relative to the pivoted frame. Another ram, extending vertically, interconnect the vertically spaced rear ends of a pair of helicoidal, diverging, sinusoidal arms forming part of the pivot frame with the front ends thereof anchored to the blade in horizontally spaced fashion. Extension of the latter ram induces relative motion of the pair of helicoidal arms so that one lateral side end of the blade will lift exclusively of the opposite lateral side end thereof.

REFERENCES:
patent: 2839849 (1958-06-01), Christensen et al.
patent: 3018573 (1962-01-01), McAdams
patent: 3590929 (1971-07-01), Wirt
patent: 3653451 (1972-04-01), Fryreur et al.
patent: 3662841 (1972-05-01), Molby et al.
patent: 3698490 (1972-10-01), King
patent: 3820610 (1974-06-01), Fryrear et al.
patent: 3998277 (1976-12-01), Wirt
patent: 4019588 (1977-04-01), Casey
patent: 4083414 (1978-04-01), Yokoyama et al.

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