Apparatus to change tamices. (Machine-translation by Google Translate, not legally binding)

摘要

An apparatus for changing screens, comprising a body portion having a bore formed therein and a wedge-shaped opening in said body portion, a screen frame seated in said wedge-shaped opening and a screen mounted thereon. Frame and in communication with said bore, said frame comprising a pressure plate extending in a direction transverse to the axis of said bore, the extremity of said T-shaped pressure plate being formed in cross-section, means for untangling said frame wedge-shaped and said screen therein of the wedge-shaped opening of said body portion, including means operatively positioned in said apparatus for moving said wedge-shaped frame in a direction transverse to said bore and towards the end width of said wedge-shaped opening, said movement means comprising a cut-off support block, which is slidably applied to the head of said T-shaped pressure plate, and single screw means for reciprocating said cut block in said direction transverse to said bore, to move said frame towards the wide end of said wedge-shaped opening, and automatic means for ejecting said screen and frame by detaching said body portion, and simultaneously inserting a sieve and replacement frame. (Machine-translation by Google Translate, not legally binding)