Cutting by use of rotating axially moving tool – Tool or tool with support – Having inversely angled cutting edge
Patent
1990-05-15
1991-10-08
Bishop, Steven C.
Cutting by use of rotating axially moving tool
Tool or tool with support
Having inversely angled cutting edge
407 48, 408233, 408227, 408713, B23B 5100, B23C 502
Patent
active
050549723
ABSTRACT:
A rotatable arbor-type tool for use in a portable power drill is provide for sharpening the ends of metal studs and particularly snowmobile tread studs or spikes. The tool has a cylindrical head with a tapered central opening axially aligned with the axis of rotation of the head. Radial grooves extend from the central opening through the wall of the head to the outer surface thereof. One wall of each groove constitutes an abutment wall against which a preferably triangular cutting blade having a thickness substantially less than the groove width is positioned. The cutting blade is forceably held against the abutment wall by a set screw extending against the cutting blade from the opposite wall leaving an opening extending along the groove past the cutting tool sufficiently wide to provide an exit from the central opening for chips cut from the end of the stud by the cutting edges of the cutting tool. The abutment wall is that wall which faces the direction of rotation of said head. A method of sharpening studs in situ in a snowmobile tread is also provided.
REFERENCES:
patent: 1721378 (1929-07-01), Draeger
patent: 4505626 (1985-03-01), Benhase
patent: 4637762 (1987-01-01), Acker
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