Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1982-12-28
1985-04-16
Husar, Francis S.
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
B26D 112
Patent
active
045112932
ABSTRACT:
A cutter for processing a surface of a metal workpiece includes a body of a generally circular cross-section. The body has a plurality of generally radially outwardly-opening recesses formed in a circumferential surface of the body in circumferentially spaced relation to each other. Each of the recesses includes a first bearing surface sloping radially outwardly in a direction away from a forward end face of the body and extending to the circumferential surface. The recess also includes a second bearing surface sloping radially outwardly toward the forward end face. The second bearing surface is disposed forwardly of the first bearing surface and disposed at a predetermined angle relative to the first bearing surface. A plurality of cutter inserts of a quadrilateral shape are received in the plurality of recesses, respectively. Two adjacent side faces of the insert are held in contact with the first and second bearing surfaces, respectively. The insert has an end cutting edge at the corner thereof at which the side face held against the second bearing surface and the side face facing away from the first bearing surface intersect each other. The insert also has a peripheral cutting edge formed on the side face facing away from the first bearing surface. A plurality of clamp members are received in the recesses, respectively, and releasably hold the inserts in position.
REFERENCES:
patent: 2102478 (1937-12-01), Miller
patent: 2367221 (1945-01-01), Kraus
patent: 3104453 (1963-09-01), Greenleaf
patent: 3116538 (1964-01-01), Severson
patent: 3163919 (1965-01-01), Turner
patent: 3273222 (1966-09-01), Begle
patent: 3339257 (1967-09-01), Hargreaves et al.
patent: 3378901 (1968-04-01), Dupuis
patent: 3868752 (1975-03-01), Hopkins
patent: 3955259 (1976-05-01), Gustafsson
Arai Tatsuo
Shimomura Hiroshi
Husar Francis S.
Mitsubishi Kinzoku Kabushiki Kaisha
Terrell William E.
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