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Class Information
Number: 241/225
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 material feed and/or discharge mechanism or control > Hopper > With roll or rotary material agitator
Description: Apparatus in which the feed mechanism comprises a roll or some form of rotary material agitator which operates in connection with a hopper to effect the feeding.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672251 Paper shredder with staple and clip remover Mar. 18, 2014
8651404 Shredder with clip removing structure Feb. 18, 2014
8628034 Belt tensioning apparatus Jan. 14, 2014
8567706 Wood chipper feed roller Oct. 29, 2013
8496197 Paper shredder with staple and clip remover Jul. 30, 2013
8403246 Shredder and method of shredding paper Mar. 26, 2013
8336798 Apparatus for material-bed comminution Dec. 25, 2012
8336794 Paper shredder with staple and clip remover Dec. 25, 2012
8240588 Star feeder with comminuting insert Aug. 14, 2012
8201766 Pins or staples removable structure of automatic shredders Jun. 19, 2012
8196851 Paper shredder with feeder Jun. 12, 2012
8146845 Automatic shredder without choosing the number of paper to be shredded Apr. 3, 2012
8061635 Automatic paper supply apparatus for paper shredder Nov. 22, 2011
8008882 Rotation speed controlling system for shredder motor Aug. 30, 2011
7971813 Blowing machine for loosefill insulation material Jul. 5, 2011
7963472 Intake limiting device for document shredder Jun. 21, 2011
7938348 Loosefill blowing machine with a chute May. 10, 2011
7871027 Auto feed shredder apparatus and methods Jan. 18, 2011
7823873 Paper feeding device for shredder Nov. 2, 2010
7793872 Device for comminuting all types of parts Sep. 14, 2010
7658342 Auto-feed buit-in a paper shredder Feb. 9, 2010
7523880 Shutter mechanism for open type ice bin Apr. 28, 2009
7500627 Shredder Mar. 10, 2009
7490789 Shredder with paper feeder and a paper feeder Feb. 17, 2009
7472854 Brush chipper having improved mechanical coupling arrangement for feed motor Jan. 6, 2009
7422171 Compartment of shredder for receiving piled-up sheets Sep. 9, 2008
7094309 Process and device for gluing dried fibers designated for the production of fiberboards Aug. 22, 2006
6722596 Multiple wheel feed wheel assembly for a wood chipper Apr. 20, 2004
6565026 Tire chopping apparatus May. 20, 2003
6290154 Strand cutting apparatus Sep. 18, 2001
6129296 Double roll peg feeder assembly for flaking mills Oct. 10, 2000
6027055 Brush chipper Feb. 22, 2000
5947395 Materials reducing machine Sep. 7, 1999
5893523 Apparatus for comminuting waste materials having feed roll delivery features Apr. 13, 1999
5873397 Wood pulverizer with improved hammers and anvils Feb. 23, 1999
5860607 Apparatus for comminuting waste materials having screw delivery features Jan. 19, 1999
5845857 Coffee mill adapted for controlled mixing of coffee beans Dec. 8, 1998
5823452 Flaker mill Oct. 20, 1998
5791567 Apparatus for processing used metallized belts or bands Aug. 11, 1998
5746378 Volume reduction machine May. 5, 1998
5649578 Wood pulverizer with improved hammers and anvils Jul. 22, 1997
5454524 Material feeding apparatus Oct. 3, 1995
5427321 Waste paper processing system Jun. 27, 1995
5248100 Crusher with rotor for shearing Sep. 28, 1993
5241898 Coffee dispenser and brewer apparatus Sep. 7, 1993
5143307 Secondary cutter apparatus for plastic size reduction equipment Sep. 1, 1992
5127588 Tire chipper Jul. 7, 1992
5114490 Apparatus for control of sugarcane half-billets May. 19, 1992
4986481 Automatic paper feeder for document shredder Jan. 22, 1991
4972999 Ice piece barrier for selective ice crusher dispenser Nov. 27, 1990

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