Stump grinder

Details Stump grinder Stump grinder

1996-06-24

1997-08-26

Bray, W. Donald

Woodworking

Special-work machine

Stump removing

144334, 37302, A01G 2306

Patent

active

056602170

ABSTRACT:
A stump grinder is comprised of a vehicle having a pair of opposing drive wheels and one or more pivot wheels. Each drive wheel has motor means independently operable of the other wheel's motor means giving the vehicle a zero turning radius capability. A tool bar, capable of vertical articulation only, has a grinding wheel attachment thereon. Grinding wheel power is achieved through appropriate linkage to the vehicle or can be achieved via independent motor means.

REFERENCES:
patent: 3868980 (1975-03-01), Blum
patent: 4402352 (1983-09-01), Hodges
patent: 4690183 (1987-09-01), Eilertson
patent: 4703786 (1987-11-01), Doskocil
patent: 4709736 (1987-12-01), Bellars
patent: 4913253 (1990-04-01), Bowling
patent: 5042238 (1991-08-01), White, III et al.
patent: 5289859 (1994-03-01), Minton, Jr. et al.
patent: 5360041 (1994-11-01), Stevens
patent: 5419380 (1995-05-01), Bot

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