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1. (WO2017033104) CRUSHER DEVICE COMPRISING AN OVERLOAD SAFETY DEVICE

Pub. No.:    WO/2017/033104    International Application No.:    PCT/IB2016/054966
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 20 01:59:59 CEST 2016
IPC: B02C 2/04
B02C 2/06
Applicants: METSO MINERALS INDUSTRIES, INC.
Inventors: NIKLEWSKI, Andrzej
BARSCEVICIUS, Paulo
Title: CRUSHER DEVICE COMPRISING AN OVERLOAD SAFETY DEVICE
Abstract:
A crusher device such as a cone or gyratory crusher, the crusher device comprising: a shaft (2) defining a first direction parallel to its length, the shaft comprising an upper shaft end (2a); a crusher head (12); and an overload safety device (30) coupling the crusher head to the upper shaft end, the overload safety device comprising a biasing device configured to bias the crusher head away from the upper shaft end in the first direction, wherein: the overload safety device (30) is configured to permit displacement of the crusher head along the first direction relative to the shaft in response to a force acting on the crusher head in the first direction.