Tree stump grinder

Details Tree stump grinder Tree stump grinder

2006-08-03

2008-09-02

Self, Shelley (Department: 3725)

Woodworking

Special-work machine

Stump removing

C144S241000

Reexamination Certificate

active

07418986

ABSTRACT:
A tooth (30) for use in a grinding wheel is provided. The tooth comprises a main body (31) including a slot (32) comprising two substantially planar surfaces for, in use, engaging with a slot (24) in the rotor (20), and at least one cutting face (33, 34, 35, 36) connected to and extending away from the main body. In use, the force in the plane of the rotor is transferred from the tooth onto the rotor via one of the planar surfaces provided on the slot.

REFERENCES:
patent: 2934113 (1960-04-01), Hollien
patent: 4193638 (1980-03-01), Heckenhauer
patent: 4530385 (1985-07-01), York
patent: 5649578 (1997-07-01), Leguin
patent: 5873534 (1999-02-01), Shinn
patent: 6375106 (2002-04-01), Sears
patent: 6546977 (2003-04-01), Paumier
patent: 6640853 (2003-11-01), Sun
patent: 296 02 918 (1996-04-01), None

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