Stump-extracting tool
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United States of America Patent
Stats
-
Jul 28, 1987
Grant Date -
N/A
app pub date -
Apr 9, 1985
filing date -
Apr 13, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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