Enso-gutzeit Osakeyhtio

Kari Rautapaa

Ilmari Paakkinen

Seppo Rasimus

Seppo Hakkinen

Ossi Kilpelainen

Niilo Nyman

The discharge opening from a silo is formed by two generally upwardly extending bottom plates placed in a V-shaped configuration. The bottom plates are reciprocatingly movable with the aid of hydraulic cylinders. At their lower ends the bottom plates form an aperture for the discharge of goods from the silo. The bottom plates are pivotally suspended at their top margins. Their lower margins are pivotally interconnected by means of connecting pieces. The hydraulic cylinders are pivotally connected to the connecting pieces and to the bottom plates and the pivotal connections of the connecting pieces to the bottom plates and hydraulic cylinders from a linkage quadrangle. The hydraulic cylinders are arranged to move the linkage quadrangle thus produced, in such a manner that the bottom plates will swing reciprocatingly about their top edges or margins.

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Punkasalmi, Finland

Kari Rautapaa