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Class Information
Number: 144/208.1
Name: Woodworking > Bark rosser
Description: Machine for cutting the bark from a workpiece comprising a log, slab, or tree.










Sub-classes under this class:

Class Number Class Name Patents
144/208.91 Disk knife 2
144/208.9 Drum or tank 67
144/208.92 Hand tool 11
144/208.8 Hollow head cutter 76
144/208.3 Hydraulically driven cutter or hydraulic jet 15
144/208.5 Including means to sequentially advance work 7
144/208.4 Including means to simultaneously rotate and advance log 25
144/208.6 Nontraveling work 12
144/208.7 Tethered percussive tool (e.g., chain, cable, flail, hammer) 49
144/208.2 Tree climber 15


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8307865 Palm tree trimming system Nov. 13, 2012
8215347 Apparatus and methods for controlled debarking of wood Jul. 10, 2012
8020594 Debarking mechanism Sep. 20, 2011
7931055 Log debarking tool and tool tip Apr. 26, 2011
7882869 Replaceable flute inserts for a roller assembly of a debarker apparatus Feb. 8, 2011
7841373 Apparatus for surfacing flitch Nov. 30, 2010
7743805 Debarking tip assembly with replaceable cutting element Jun. 29, 2010
7677279 Delimb knife mounting arrangement for tree harvester head Mar. 16, 2010
7556071 Debarking mechanism Jul. 7, 2009
7503359 Harvester for a forestry machine Mar. 17, 2009
7487809 Tree pruning apparatus Feb. 10, 2009
7461675 Barking device and barking tool Dec. 9, 2008
7243693 Log debarking machine and method Jul. 17, 2007
6991011 Opening rotor type debarking machine Jan. 31, 2006
6976515 Modular drive wheel for log processors, delimbers and single grip harvesters Dec. 20, 2005
6971423 Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths Dec. 6, 2005
6962178 Tree processor Nov. 8, 2005
6776202 Log peeling apparatus Aug. 17, 2004
6675846 Lineal log peeler and debarker for use in log home construction Jan. 13, 2004
6623876 Sintered mechanical part with abrasionproof surface and method for producing same Sep. 23, 2003
6619346 Debarking machine Sep. 16, 2003
6615884 Debarking shaft for a debarking machine Sep. 9, 2003
6588467 Arrangement in the discharge end of a debarking machine Jul. 8, 2003
6578609 Apparatus for debarking logs with movable debarking surface for varying rate of debarking Jun. 17, 2003
6539993 Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths Apr. 1, 2003
6516843 Method for defrosting logs and a defrosting apparatus Feb. 11, 2003
6457499 Rotary ring debarker with debarker tools arranged in offset rotary debarking planes Oct. 1, 2002
6263931 Trimming member arrangement for a tree trimming device Jul. 24, 2001
6260592 Cutting piece and cutting arm for a debarking machine of a hollow-rotor type Jul. 17, 2001
6213178 Method and apparatus for handling logs to be debarked Apr. 10, 2001
6189583 Apparatus for removing barks from a wood- and bark-containing log flow Feb. 20, 2001
6173748 Method of reducing noise in a barking plant and a barking drum, chipper and conveying line Jan. 16, 2001
6155317 Mechanical pull-through delimbing device Dec. 5, 2000
6009921 Highlift antiwear attachment for angle debarking drum lifters Jan. 4, 2000
5957177 Coupled workhead for use in timber processing Sep. 28, 1999
5947174 Drum debarker outfeed spool Sep. 7, 1999
5944078 Feeding roller for a log feeding device of a debarking machine Aug. 31, 1999
5896901 Debarking drum Apr. 27, 1999
5896902 Debarking knife and method of manufacturing it Apr. 27, 1999
5873398 Debarking device Feb. 23, 1999
5868186 Debarking wood without introducing contaminants into the wood Feb. 9, 1999
5839490 Rubber lining for corrugated debarking drum Nov. 24, 1998
5803142 Debarking and chipping folded whole-trees Sep. 8, 1998
5797437 Log peeler Aug. 25, 1998
5709257 Removing bark from wood chips Jan. 20, 1998
5704409 Flexible mounting system for log debarking equipment Jan. 6, 1998
5647418 Debarking tooth of a debarking machine Jul. 15, 1997
5638878 Log debarking apparatus Jun. 17, 1997
5538056 Log conditioning before mechanical debarking Jul. 23, 1996
5524685 Debarking/delimbing apparatus Jun. 11, 1996

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