E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
214/19
E02F 3/43 (2006.01)
Patent
CA 1298813
ABSTRACT OF THE DISCLOSURE An apparatus for controlling the posture of the work implement of a loader comprises a boom supported by a boom pivot on a mast secured to a vehicle body and movable upward and downward by a boom cylinder, first and second arms supported by an intermediate portion of the boom and pivotally movable relative to each other, a pivotal member pivoted to the boom by the boom pivot, a first connecting member operatively connecting a point on the pivotal member away from the pivoted point thereof to the first arm, a second connecting member connecting the second arm to the work implement at the forward boom end, an engaging portion for engaging the second arm with the first arm when the implement is moved by an implement cylinder in the scooping direction approximately into a specified posture, and an interlocking member operatively connecting the pivotal member to an implement control valve for the implement cylinder so that the valve is operated in the dumping direction by the movement of the pivotal member with the rise of the boom after the second arm is engaged with the first arm by the engaging portion. The implement can be maintained in the specified posture when the boom is raised, preventing earth from spilling from the implement.
573634
Kawamura Shoichiro
Nakao Tadashi
Nozaka Kenkichi
Kubota Ltd.
Macrae & Co.
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