Countersink cutters having a free-spinning pilot

Details Countersink cutters having a free-spinning pilot Countersink cutters having a free-spinning pilot

1996-10-30

1998-10-27

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Frictionally engaging sides of opening in work

408113, 408201, 408713, B23B 5110

Patent

active

058270183

ABSTRACT:
This invention discloses an improved cutting tool such as a counterbore cutter or piloted reamer that is comprised of a free-spinning pilot connected to the cutting tool. The free-spinning pilot allows the cutting tool to rotate within it while it makes firm contact with a pre-drilled hole in material to be cut improving the location of the cutter relative to the hole.

REFERENCES:
patent: 897041 (1908-08-01), Weller
patent: 1724005 (1929-09-01), Christensen
patent: 2009168 (1935-07-01), Dettmer
patent: 2374552 (1945-04-01), Marini
patent: 2422279 (1947-06-01), Zimmer
patent: 4197042 (1980-04-01), Krhounek et al.
patent: 5071295 (1991-12-01), Greig

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