B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/125
B02C 13/18 (2006.01)
Patent
CA 1232886
ABSTRACT A vertical shaft impact crusher having a rotor mounted for notation about a vertical axis on a vertical shaft supported by a central bearing, and an impeller mounted on that shaft so that rock fed into the crusher is caught by the spinning impeller and thrown against an adjacent breaker ring, and is broken; wherein the crusher is provided with guard rings mounted telescopically and concentrically with the vertical shaft forming a labyrinth seal, and also above and below the impeller to restrict the entrance of rock dust and rock fragments to the rotor shaft and bearing; and a plurality of upper and lower wear plates which line the impeller to retard its erosion and are designed to be easily replaceable.
485334
Krause Lee
Szalanski Scott
Rexnord Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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