Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1998-09-24
1999-10-26
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Processes
Bit detachable
761086, 408144, 408226, 408230, 408231, B23B 5100
Patent
active
059716738
ABSTRACT:
A tool includes a tool body and a cutting portion detachably mounted thereon, the tool being rotatable about a longitudinal center axis. The tool body includes flutes formed in an outer surface thereof, and a pair of forward projections at a front end thereof. The cutting portion includes front flutes formed in an external side thereof, and a pair of recesses extending circumferentially in communication with respective ones of the front flutes. To connect the cutting portion to the tool body, the cutting portion and tool body are converged longitudinally so that the projections enter the front flutes. Then, relative rotation is produced between the cutting portion and tool body to align the front flutes with the rear flutes while causing the projections to enter the recesses and form therewith a bayonet coupling.
REFERENCES:
patent: 932071 (1909-08-01), Urbscheit
patent: 2259611 (1941-10-01), Burger
patent: 2935906 (1960-05-01), Andreasson
patent: 3359837 (1967-12-01), Andreasson
patent: 3548688 (1970-12-01), Kuch
patent: 4950108 (1990-08-01), Roos
patent: 5399051 (1995-03-01), Aken et al.
Berglund Mattias
Lundberg Fredrik
Svensson Ingela
Howell Daniel W.
Seco Tools AB
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