Roller crusher and method for operation thereof
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United States of America Patent
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Mar 26, 2024
Grant Date -
Jun 15, 2023
app pub date -
Dec 9, 2021
filing date -
Dec 9, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A scraper device for a roller crusher, which scraper device includes a rotatable multi head scraper unit having at least two scrapers arranged tangentially about the rotatable multi head scraper unit at a respective radial distance from a rotational axis of the rotatable multi head scraper unit. The scraper device further includes a rotation actuator arranged to selectively rotate the rotatable multi head scraper unit to allow operative use of one of the at least two scrapers at a time. The scraper device further includes at least one brake arrangement configured to prevent and/or restrict rotation of the rotatable multi head scraper unit during operation of the one of the at least two scrapers. A roller crusher including the scraper device and a method for operating the roller crusher is also provided.
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