Earth moving machine of the scraping blade type

Details Earth moving machine of the scraping blade type Earth moving machine of the scraping blade type

1979-07-05

1981-06-02

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

172812, 172825, 1727011, E02F 376

Patent

active

042706173

ABSTRACT:
An earth moving machine having an improved mounting for a scraping blade attached thereto. The scraping blade of the machine herein disclosed is capable of undergoing independent or simultaneous rotational movement about three perpendicular axes and applying high forces to material to be moved. Movement about two of these axes is controlled by two separate pairs of hydraulic cylinders. A hydraulic actuator effects movement of the blade about a third axis and acts to transmit a part of the force applied to the blade during operation to the frame of the machine.

REFERENCES:
patent: 1997001 (1935-04-01), Lamb
patent: 2299430 (1942-10-01), Sexton
patent: 3529678 (1970-09-01), Teasdale
patent: 3661215 (1972-05-01), Pensa
patent: 3913684 (1975-10-01), Casey
patent: 3991832 (1976-11-01), Cooper
patent: 4013132 (1977-03-01), Matsuzawa
patent: 4081036 (1978-03-01), Yokoyama
patent: 4114724 (1978-09-01), Doolittle

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