Importance

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Abstract

A continuous unloader includes upper sprockets, lower sprockets located below the upper sprockets, and front sprockets located in front of the lower sprockets. An endless bucket conveyer is operatively taken on the upper, lower and front sprockets. A support frame supports the upper sprockets. An elevation/lowering mechanism is provided at a lower end of the support frame. A base part is operatively connected to the lower end of the support frame by way of the elevation/lowering mechanism such that the base part is raised and lowered by the elevation/lowering mechanism relative to the support frame. A link mechanism is connected to the front and lower sprockets such that the front and lower sprockets are lowered when the distance between the front and lower sprockets is narrowed and the front and lower sprockets are raised when the distance between the front and lower sprockets is widened. The link mechanism is also connected to the base part so that it is raised and lowered together with the base part upon actuation of the elevation/lowering mechanism.

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First Claim