Roll crusher
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 3, 1998
Grant Date -
N/A
app pub date -
May 7, 1996
filing date -
May 17, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A roll crusher includes a crusher roll; a support for rotatably and radially shiftably supporting the crusher roll; a stationarily supported countermember cooperating with the crusher roll to define a crushing gap therewith; and a hydraulic setting system for radially displacing the crusher roll for varying the crushing gap. The hydraulic setting system includes a pressure source and a piston rod executing strokes and having an end coupled to the roll support for transmitting to the crusher roll setting forces derived from the pressure source. Further, an abutment device is provided for limiting the strokes of the piston rod to set a minimum magnitude of the crushing gap. The abutment device includes an actuating mechanism for placing the abutment device into a stroke-limiting state and into a piston rod-releasing state.
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