Crushing roll for a crusher
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United States of America Patent
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Sep 3, 2019
Grant Date -
Oct 20, 2016
app pub date -
Apr 17, 2016
filing date -
Apr 17, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a crushing roll for a roll-type crusher has a shaft with at least one groove extending in the axial direction on its lateral surface, to receive formed elements. The formed elements serve to retain the crushing shells, for which purpose the formed elements form a form-interlockingly engaging combination with the groove in the shaft, in the radial direction. A “form-interlockingly engaging combination in the radial direction” is understood here to signify means of blocking of movement of the formed elements in the radial direction of the shaft. In this way, it is possible to anchor the crushing shells in the grooves by means of the formed elements. Advantageously, also axial forces from the crushing shells can be transmitted to the shaft via the formed elements in the grooves, which forces can thereby be borne by the shaft, given that a high pressing force can be transmitted via the combination of a crushing shell and formed element, resulting in high holding friction between the molded element and the shaft.
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