Solid material comminution or disintegration – Apparatus – Comminuting elements
Patent
1989-06-14
1990-06-26
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Comminuting elements
B02C 1818
Patent
active
049365169
ABSTRACT:
To permit easy replacement of individual cutter elements (13) located on a cylindrical body (1, 1') formed with essentially axially directed, circumferentially uniformly distributed grooves (5) therein, and in which the cutter elements are held by eccentric clamping bodies (40), and to ensure that the cutting edges of the cutter elements operate on a common theoretical circumferential cylinder, the grooves (5) are formed with internal ppositioning abutments (12, 8) which determine, upon engagement with matching engagement positioning surfaces (26) formed on the cutter elements, the positioning surfaces (26) thereby render the position of the cutter elements in the grooves independent of the cutting geometry of the respective elements. The eccentrics (40) are located, with respect to the direction of the rotation of the body, in advance of the cutter elements (13), so that cutting forces and clamping forces effected by the eccentrics will reinforce each other with respect to positioning of the cutters in the grooves.
REFERENCES:
patent: 4546929 (1985-10-01), Fritsch et al.
patent: 4785860 (1988-11-01), Arasmith
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