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Class Information
Number: 241/195
Name: Solid material comminution or disintegration > Apparatus > Rotary striking member or hammer
Description: Apparatus in which the material is subjected to the action of a rotary member which strikes the material a sudden blow to effect the comminution in which the claims are directed to the striking members, per se, which deliver the blow to the material being comminuted.










Sub-classes under this class:

Class Number Class Name Patents
241/196 Loose ring type 6
241/197 With attached wear member 113


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8651407 Composite impactor for impact crusher Feb. 18, 2014
8628036 Tub grinder Jan. 14, 2014
8613403 Curved hammer Dec. 24, 2013
8608099 Hammer mill, rotor of a hammer mill, hammer pins, catch device and fixing device Dec. 17, 2013
8342435 Hammer mill hammer Jan. 1, 2013
8336797 Powder and granular material crushing and sizing apparatus Dec. 25, 2012
8308094 Shredder hammers including improved engagement between the hammer pin and the hammer Nov. 13, 2012
8113453 Reducing machine rotor assembly and methods of constructing and operating the same Feb. 14, 2012
8104177 Hammer mill hammer Jan. 31, 2012
8066212 Rotor and device for the comminution of input material Nov. 29, 2011
8061642 Cutter device for a crushing machine Nov. 22, 2011
8033490 Hammer Oct. 11, 2011
7975949 Hammer assembly for a rotary material crusher Jul. 12, 2011
7850107 Rotor for tree mulching machine Dec. 14, 2010
7819352 Hammer Oct. 26, 2010
7757979 Hammermill hammer with pin-hole insert Jul. 20, 2010
7753302 Rotor for an impact crusher Jul. 13, 2010
7624490 Reducing machine rotor assembly and methods of constructing and operating the same Dec. 1, 2009
7419109 Apparatus for attaching hammers to a hammer mill Sep. 2, 2008
7325761 Hammer for a material size reduction machine Feb. 5, 2008
7293729 Arrangement facilitating single fastener attachment for strikers of a wood comminuting rotor Nov. 13, 2007
7140568 Multi-sided shaft for a crusher Nov. 28, 2006
7140569 Forged hammermill hammer Nov. 28, 2006
6971598 Cutter body with a beater Dec. 6, 2005
6953166 Device and method for treating excavated material Oct. 11, 2005
6874716 Beater bar capable of being acted upon on one side for impactor rotors Apr. 5, 2005
6764848 Method for accelerated remediation of manure-contaminated material Jul. 20, 2004
6622951 Hammer assembly for wood reducing hammer mills and other comminuting machines and methods of making and using it Sep. 23, 2003
6494394 Intermediary face plate for saddle-back hammer tip Dec. 17, 2002
6419173 Production plus hammer with protective pocket Jul. 16, 2002
6412530 Process for grinding and coloring woodchips Jul. 2, 2002
6321804 Process for grinding and coloring wood chips Nov. 27, 2001
6311910 Production plus hammer with protective pocket and rotor assembly Nov. 6, 2001
6306641 Method for accelerated remediation of contaminated material Oct. 23, 2001
6230996 Pulverizer/grinder system May. 15, 2001
6171713 Iron alloy member and method Jan. 9, 2001
6131838 Saddle-back hammer tip Oct. 17, 2000
6129300 Blow bar for impactors Oct. 10, 2000
6109488 Apparatus for conditioning and dispensing loose fill insulation material Aug. 29, 2000
6092752 Rotor for impactors Jul. 25, 2000
6079649 Millennium rotor assembly Jun. 27, 2000
6047912 Break-away processing tool for a waste processing machine Apr. 11, 2000
6045072 Slotted hammermill hammer Apr. 4, 2000
5992405 Tool mounting for a cutting tool Nov. 30, 1999
5967436 Production plus hammer with protective pocket Oct. 19, 1999
5950937 Alumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered body Sep. 14, 1999
5941467 System and method for reducing material Aug. 24, 1999
5887808 High efficiency grinding apparatus Mar. 30, 1999
5854061 Method for accelerated chemical and/or biological remediation and method of using an apparatus therefor Dec. 29, 1998
5829649 Apparatus for conditioning and dispensing loose fill insulation material Nov. 3, 1998

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