Cutting by use of rotating axially moving tool – With product handling or receiving means
Patent
1998-11-27
2000-07-11
Pitts, Andrea L.
Cutting by use of rotating axially moving tool
With product handling or receiving means
279 20, 279143, 408 56, 408 58, B23B 4700
Patent
active
060862920
ABSTRACT:
A drilling apparatus capable of removing drill chips from a workpiece under vacuum. The drilling apparatus includes an elongated drill having a body and a shank. The body has an axial through hole to receive drill chips. The shank has a plurality of radial holes communicated with the axial holes of the body. A vacuum adapter is hermetically placed around the shank and includes a cylindrical hollow body. The hollow body of the adapter includes a radial through port. The radial through port has one end communicated with the radial holes and the other end communicated with an external source of vacuum through a vacuum hose. A cylindrical extension unitarily extends from one end of the hollow body of the adapter and includes an annular projection. The shank has a corresponding annular groove to lockingly receive the annular projection in order to lock the adapter against axial displacement relative to the drill.
REFERENCES:
patent: 2339324 (1944-01-01), Fischer
patent: 4643621 (1987-02-01), Fuller, Jr. et al.
patent: 4743145 (1988-05-01), Hendricks et al.
patent: 4752161 (1988-06-01), Hill
patent: 5544986 (1996-08-01), Kudo et al.
Pitts Andrea L.
Smith Monica
Unika Co., Ltd.
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