Root grubber

Excavating – Land clearer

Patent

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Details

37302, 37404, 172698, 172699, 172720, A01B 1300

Patent

active

054903408

ABSTRACT:
A root grubber tool for brush which is attached to the boom of an excavator, such as, a track excavator or backhoe. The tool includes a framework which has a pair of side members which support, at the lower end thereof, a cutting blade with its leading edge swept inward and downward to accommodate centering the cutting blade on the roots and providing a deeper cut at the center than at the edges. The framework includes mounting arms to secure the tool onto the boom for working the tool. The framework may include a cross support for assisting in gathering smaller brush. Also, the lower edges of the side members are bevelled to aid in the cutting operation. The tool may be maneuvered to depths of 18 to 24 inches to grub out the roots of the brush and secure it between the boom and the tool for displacement from the right-of-way.

REFERENCES:
patent: D264213 (1982-05-01), Hedblom
patent: 1527599 (1925-02-01), Martin
patent: 3048229 (1962-08-01), Simpson
patent: 3243904 (1966-04-01), Perry
patent: 3512276 (1970-05-01), Juhl
patent: 4067369 (1978-01-01), Harmon
patent: 4271611 (1981-06-01), Paul
patent: 4321761 (1982-03-01), Hedblom
patent: 4355475 (1982-10-01), Harkness
patent: 4517755 (1985-05-01), Nicholson
patent: 4895211 (1990-01-01), Harris
patent: 5067261 (1991-11-01), Betts
patent: 5133268 (1992-07-01), Delisle
patent: 5141385 (1992-08-01), Tibbatts et al.

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