Rotating tool with a clamping shank

Details Rotating tool with a clamping shank Rotating tool with a clamping shank

2007-02-13

2007-02-13

Banks, Derris H. (Department: 3722)

Cutting by use of rotating axially moving tool

Tool or tool with support

Including detailed shank

C407S053000

Reexamination Certificate

active

10378099

ABSTRACT:
A rotating tool such as a drill, a milling cutter, a countersink, a deburrer and the like, including a working part, which is driven in rotation about an axis of rotation for cutting machining, and also including an axially adjoining clamping shank for insertion into a clamping chuck of a drive machine. The clamping shank is provided with a number of clamping surfaces on its outer circumference for supporting a clamping jaw of the clamping chuck. The clamping shank has a shank radius in the region of each clamping surface which, as seen in a predetermined direction of rotation of the tool, rises from a minimum shank radius to a maximum shank radius as it passes over a range of angle of rise.

REFERENCES:
patent: 4512692 (1985-04-01), Nielsen
patent: 5188488 (1993-02-01), Nakayama et al.
patent: 5340245 (1994-08-01), Bloechle et al.
patent: 5704744 (1998-01-01), Kleine et al.
patent: 5984596 (1999-11-01), Fehrle et al.
patent: 6390739 (2002-05-01), O'Banion
patent: 6474656 (2002-11-01), Thomas
patent: 6517297 (2003-02-01), Cochran et al.
patent: 2001/0031180 (2001-10-01), Vasudeva et al.
patent: 3413005 (1985-10-01), None

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