Woodworking – Special-work machine – Stump removing
Reexamination Certificate
2006-12-14
2009-02-03
Self, Shelley (Department: 3725)
Woodworking
Special-work machine
Stump removing
C144S241000, C407S035000, C407S040000, C407S043000, C407S053000
Reexamination Certificate
active
07484541
ABSTRACT:
A cutting tooth for use with a stump cutting apparatus wherein the cutting tooth has a removable and replaceable cutting bit. The cutting bit is removably and nonrotatably secured to a head of an elongated shank with the shank secured to a mounting block or pocket of a stump cutting tool. A support member having an indexing surface is also removably and nonrotatably secured to the head of the elongated shank. Accordingly, the support member enables indexing the cutting bit to expose and use a plurality of cutting edges located on the periphery of the cutting bit.
REFERENCES:
patent: 1155211 (1915-09-01), Carpenter
patent: 1160042 (1915-11-01), Carpenter
patent: 5307719 (1994-05-01), MacLennan
patent: 5644965 (1997-07-01), MacLennan et al.
patent: 5743314 (1998-04-01), Puch
Burgess Law Office, PLLC
Self Shelley
LandOfFree
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