CUTTING APPARATUS FOR A GRANULATOR FOR CUTTING GRANULES FROM PLASTICS-MATERIAL STRANDS EMERGING FROM NOZZLES, HAVING A KNIFE ROTOR
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Sep 2, 2011
filing date -
Oct 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a cutting apparatus for a granulator for cutting plastics-material strands emerging from nozzles into granules. The cutting apparatus includes a knife rotor which is connected to a drive shaft via an articulation component having a drive part and via a driven part carrying the knife rotor. The drive part is inserted into a spherical head in a matching spherical cap in the drive part. The spherical head passes through by at least one direction axle, about which the spherical head is rotatable in the spherical cap in case of an axial offset of the drive part and the driven part. In this case, an end of the directional axle that emerges from the spherical head is mounted in a groove in the spherical cap and extends transversely to the direction of rotation of the spherical cap such that, in the case of an offset of the drive part with respect to the driven part, the end moves in the groove.
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