Bottom grate of a crusher or drum chipper and method of producing the bottom grate
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United States of America Patent
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Jul 25, 2017
Grant Date -
Jun 19, 2014
app pub date -
May 4, 2012
filing date -
May 6, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bottom grate for a crusher for chipping or comminuting material which includes: support ribs each substantially perpendicular to the rotational axis of the crusher; grate blades mounted to the support ribs and substantially parallel to the rotational axis, wherein the grate blades are releasably mounted to the support ribs and the grate blades each have a cutting edge proximate to a cutting or crushing rotor in the crusher; pulling members extending between two of the support members, wherein the pulling members are in tension and the tension in the pulling members binds the blades in the support members.
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