Pushbeam to blade hinge connection

Details Pushbeam to blade hinge connection Pushbeam to blade hinge connection

1978-12-07

1981-05-05

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

E02F 376

Patent

active

042653193

ABSTRACT:
The blade of an earthworking vehicle is mounted to pushbeams by pivotal L-shaped hinge body connections permitting pivotal movement of the blade about a transverse horizontal axis in the body of the blade. The hinge connections are retained on the forward end of each pushbeam. The connections have a hinge pin leg disposed parallel to the plane of the blade, in the body of the blade, and another leg secured to the forward end of the pushbeam. In the preferred embodiment, the longitudinal axis of the hinge pin leg is disposed inside the body of the blade, between the face and rear wall, thereby reducing the torsional load on the blade and stabilizing the blade. More open space is provided between the tracks and the rear of the blade which reduces the possibility of debris build-up. In an alternate embodiment of the hinge connection between the blade and pushbeams, the longitudinal axis of a hinge pin is located within the body of the blade which stabilizes the blade and provides more open space between the tracks and the back of the blade as in the preferred embodiment.

REFERENCES:
patent: 2276586 (1942-03-01), McIntosh
patent: 2404760 (1946-07-01), Washbond
patent: 2408268 (1946-09-01), Peterson
patent: 2624132 (1953-01-01), Henry
patent: 2679120 (1954-05-01), Wooldridge
patent: 3329232 (1967-07-01), Salna
patent: 3337974 (1967-08-01), Fisher

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