Blade stabilizing linkage for a bulldozer

Details Blade stabilizing linkage for a bulldozer Blade stabilizing linkage for a bulldozer

1977-09-19

1979-01-23

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

172809, E02F 376

Patent

active

041355849

ABSTRACT:
A bulldozer including a vehicle frame, a dozer blade forwardly of the frame, a lift linkage movably secured to the frame and including two spaced arms extending longitudinally of the frame and connected to the blade, at least one motor connected to the frame and to one of the blade and the lift linkage for selectively elevating the blade relative to the frame, and a stabilizing linkage interconnecting the frame and one of the blade and the lift linkage including a first link mounted intermediate its ends on the frame for rotation about an axis extending longitudinally of the frame, and second and third elongated links each having an end pivoted to the first link on opposite sides of the axis and extending in opposite directions therefrom, the other ends of the second and third links being pivoted to one of a corresponding arm and blade.

REFERENCES:
patent: 3158944 (1964-12-01), Rehberg
patent: 3661214 (1972-05-01), Peterson
patent: 3901329 (1975-08-01), Eftefield
patent: 3941195 (1976-03-01), Stedman
patent: 4026368 (1977-05-01), Asal

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