Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Reexamination Certificate
2006-12-06
2009-06-09
Ashley, Boyer D (Department: 3724)
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
C407S056000, C082S106000, C409S234000
Reexamination Certificate
active
07544020
ABSTRACT:
The present invention provides a pin milling cutter formed by combining a cutter and an adapter to prevent errors in attaching a cutter to the adapter even when the cutter is similar but of a different type and even if the engagement section between the cutter and the adapter are the same. A mounting error prevention mechanism is provided on a main cutter unit and an adapter to prevent an erroneous combination of a cutter and adapter from fitting together normally. The mounting error prevention mechanism includes: a projection and a cavity corresponding to the main cutter unit and the adapter and providing a tapered fit; and a projection and a corresponding groove. The projection can be inserted into the groove only when the cutter and the adapter are combined correctly.
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Emoto Shigenori
Nakamura Akio
Addisu Sara
Ashley Boyer D
Ditthavong Mori & Steiner, P.C.
Sumitomo Electric Industries Ltd.
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