Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1997-10-17
1999-12-07
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
B02C 204
Patent
active
059969164
ABSTRACT:
A gyratory crusher having a positive head hold-down mechanism. The crusher includes a frame structure; a first mounting arrangement including a pair of taper bearings for rotatably mounting an eccentric member to the frame structure about a vertically oriented first axis; a second mounting arrangement including a spherical bearing for spiderlessly and rotatably mounting a main shaft to the eccentric member about a substantially vertically oriented second axis angularly offset from the first axis; a crusher head mounted on said main shaft; drive means including a bevel gear secured to the eccentric member and a drive pinion arrangement for rotating said eccentric member about the first axis; a hold-down mechanism fixedly mounted to the crusher head for preventing vertical displacement of the crusher head relative to the a plurality of hydrostatic bearings operably supporting the crusher head; and seal means for protecting moving components of the crusher.
REFERENCES:
patent: 1000049 (1911-08-01), Symons
patent: 2079882 (1937-05-01), Traylor
patent: 3887143 (1975-06-01), Gilbert et al.
patent: 3924815 (1975-12-01), Haggren
patent: 4245792 (1981-01-01), Ivanov et al.
patent: 4410143 (1983-10-01), Polinski
Cedarapids Inc.
Rosenbaum Mark
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