Woodworking – Rotary cutter – Disk cutter including side attached – edge cutting bit
Reexamination Certificate
2006-09-05
2006-09-05
Miller, Bena (Department: 3725)
Woodworking
Rotary cutter
Disk cutter including side attached, edge cutting bit
C144S024120, C144S241000, C144S334000, C241S294000
Reexamination Certificate
active
07100651
ABSTRACT:
A stump grinding disk includes a metallic wheel defining an axis of rotation and including a pair of side surfaces and a circumferential outer edge surface. The outer edge surface includes a plurality of circumferentially spaced recesses. Each recess extends axially completely through the disk. A plurality of side cutting elements are mounted on each side surface. A plurality of outer peripheral cutters are spaced circumferentially apart around the outer edge surface. Wear strips are mounted in respective recesses. Each wear strip includes a metal matrix in which hard particles are disposed. Each wear strip defines a radially inner surface affixed to the wheel, and a radially outer surface arranged substantially flush with adjacent portions of the outer edge surface.
REFERENCES:
patent: 2781176 (1957-02-01), Clark
patent: 3797544 (1974-03-01), Ver Ploeg
patent: 3935887 (1976-02-01), Van Zante et al.
patent: 5002104 (1991-03-01), Stewart
patent: 6382277 (2002-05-01), Paumier et al.
patent: 6546977 (2003-04-01), Monyak et al.
patent: 6848485 (2005-02-01), Paumier et al.
Monyak Kenneth
Paumier James
Drinker Biddle & Reath LLP
Miller Bena
Sandvik Intellectual Property AB
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