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Class Information
Number: 241/238
Name: Solid material comminution or disintegration > Apparatus > Cooperating comminuting surfaces (e.g., jaw crusher) > Rotary surface (or surfaces) > Circumferential or tangential flow of material (e.g., roll mills or roll and concave mills) > With plural alternatively usable nonrotary surfaces and/or retractable rotor projections and/or adjustably or yieldably mounted rotary surface
Description: Apparatus in which (1) there is provided a plurality of nonrotary surface parts so arranged as to cooperate with the rotary surface alternatively, or (2) the rotary member is provided with parts or projections adapted to be moved relatively to other parts of the rotor or (3) the rotary member is adjustably or yieldably mounted in the frame of the apparatus or in which the apparatus is provided with a combination of all or any two of features (1), (2), or (3).

Patents under this class:

Patent Number Title Of Patent Date Issued
7216824 Shredder with oscillating side walls May. 15, 2007
6616077 Material processing apparatus Sep. 9, 2003
6293482 Method and apparatus for cutting strand Sep. 25, 2001
5538191 Methods and apparatus for high-shear material treatment Jul. 23, 1996
5447276 Crushing mechanism Sep. 5, 1995
4651936 Cutting knife bevel extender for forage harvesters Mar. 24, 1987
4500042 Two-way knife adjustment for crop harvester cutting cylinder Feb. 19, 1985
4351488 Feed bars for shredding mills Sep. 28, 1982
4334650 Shredding machines Jun. 15, 1982
4222988 Apparatus for removing hydrocarbons from drill cuttings Sep. 16, 1980
4222528 Mill Sep. 16, 1980
4145009 Impact type crusher Mar. 20, 1979

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