Gyrasphere crusher with bladder operated bowl lock mechanism

Details Gyrasphere crusher with bladder operated bowl lock mechanism Gyrasphere crusher with bladder operated bowl lock mechanism

1995-04-28

1996-07-30

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Miscellaneous

241286, 241DIG30, B02C 200

Patent

active

055403930

ABSTRACT:
A gyrasphere crusher includes a crusher frame, a crushing head, and a crusher bowl which is selectively locked to and released from the crusher frame via operation of a bowl lock assembly including a clamping ring or locknut and an inflatable bladder device. The bladder device, which preferably is formed from a plurality of discrete bladder segments mounted on an axial end of the locknut, applies sufficient clamping forces to the locknut when it is fully inflated to prevent rotation of the locknut and bowl, and can be partially deflated to permit precisely controlled rotation of the bowl and thus adjustment of the crushing gap under load. The bladder operated bowl lock assembly is simple, reliable, and operates at a fraction of the pressures typically required for conventional mechanically applied/fluid-pressure released lock assemblies.

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patent: 4908906 (1990-03-01), Hanna
patent: B14908906 (1993-12-01), Hanna

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