Importance

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Abstract

This loader-excavator has a boom divided into an inner boom (9) and a main boom (18), the latter being articulated at the free end (17) of the inner boom. The inner boom is pivotally mounted near the front end of the turntable (3) of the machine, and can assume a position inclined to the rear, in which its free end lies to the rear of the axis of the turntable and is above it. In this position, the main boom can be folded onto the inner boom and it then extended horizontally forward, its front end being substantially above the front part of the machine. In this condition, the arm (24) bearing the tool can be directed vertically downward. This facilitates the work as a loader. For work as an excavator, the main boom is unfolded essentially to be an extension of the inner boom and it is locked relative to the latter.

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First Claim