Stump-extracting tool

Details Stump-extracting tool Stump-extracting tool

1985-04-09

1987-07-28

Bray, W. D.

Woodworking

Special-work machine

144 34F, A01G 2308

Patent

active

046826386

ABSTRACT:
A stump-extracting tool preferably mounted on an articulated arm such as the boom of a power shovel has a flat spur (1) of substantial length having a cutting edge (2) at one end and a cutter-blade (5) in a plane transverse to the plane of the spur (1). The cutter-blade (5) comprises at least one cutting edge on one side adjacent to the cutting edge (2) of the spur (1) and the cutting edge of the cutter-blade (5) comprises a series of stair-step teeth (6) having a cutting edge (7) parallel to a plane (P) which is substantially perpendicular to the plane of the spur.

REFERENCES:
patent: 2934108 (1960-04-01), Bles
patent: 2966180 (1960-12-01), Bles
patent: 3119421 (1964-01-01), Marine
patent: 4094348 (1978-06-01), Wolf
patent: 4164247 (1979-08-01), Wolf

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