Gyratory crusher having tramp iron relief system

Details Gyratory crusher having tramp iron relief system Gyratory crusher having tramp iron relief system

1997-06-12

1999-03-02

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241286, B02C 204

Patent

active

058759816

ABSTRACT:
A gyratory crusher includes a frame, a bonnet, a gyratory crusher head, supported by the frame and being spaced relative to the bonnet such that a crushing chamber is formed therebetween, and a hydraulic channel formed integrally within the frame. First and second hydraulic cylinders are attached to the frame and support the bonnet on the frame, and the first and second hydraulic cylinders are connected to the hydraulic channel so as to be in hydraulic communication therewith. First and second hydraulic accumulators are supported by the frame and are in hydraulic communication with the hydraulic channel and the hydraulic cylinders. The hydraulic accumulators and the hydraulic channel are arranged to allow uncrushable material to automatically pass through the crushing chamber.

REFERENCES:
patent: 3396916 (1968-08-01), Kemnitz et al.
patent: 3604640 (1971-09-01), Webster
patent: 4012000 (1977-03-01), Davis et al.
patent: 4615491 (1986-10-01), Batch et al.
Excerpt (p. 11) from 1979 operation manual for Rollercone gyratory crusher (1 page).

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