Chucks or sockets – Socket type – Fluid-conduit drill holding
Patent
1999-03-23
2000-05-09
Bishop, Steven C.
Chucks or sockets
Socket type
Fluid-conduit drill holding
279 22, 279 75, 408 56, B23B 506, B23B 3107
Patent
active
060592966
ABSTRACT:
A chuck for a rotatable tool, such as a drill, a screw tap and the like has a chuck sleeve receivable in a machine and having a central receptacle, a sleeve provided for a tool and releasably inserted in the receptacle, the sleeve having a central main passage for a cooling and/or lubricating medium and grooves for supplying the cooling and/or lubricating medium in a longitudinal direction and outwardly of the tool, the sleeve having an axial opening adopted to extend over a whole length of a shaft of the tool for holding the shaft, the grooves for the cooling and/or lubricating medium in the sleeve being provided on an inner side of the axial opening and extending axially over a whole length of the sleeve, the grooves at one end communicating with the central passage in the chuck sleeve and at another end being axially freely open.
REFERENCES:
patent: 3398965 (1968-08-01), Cox
patent: 3436086 (1969-04-01), Glenzer
patent: 4640652 (1987-02-01), Rivera, Jr.
patent: 5311654 (1994-05-01), Cook
patent: 5573255 (1996-11-01), Salpaka
patent: 5755448 (1998-05-01), Kanaan et al.
Bishop Steven C.
Otto Bilz Werkzeugfabrik GmbH & Co.
Striker Michael J.
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