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
Patent
1980-11-24
1984-01-10
Kazenske, E. R.
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
407113, B23B 4100, B23B 5110, B23P 2302
Patent
active
044250630
ABSTRACT:
The reamer has a flat rectangular reversible cutting bit which has a wide-side face, a wide-side contact surface parallel to said wide-side face and a narrow-side contact surface and possesses a cutting edge extending parallel to the longitudinal axis of a revolvable body and projecting above the circumferential surface of the body. The reversible cutting bit is mounted detachably in a recess of the revolvable body and makes contact with a supporting surface extending substantially in a radial direction and also with a base support extending at right angles to the former. The radial support surface of the revolvable body is narrower than the base support of the recess. The wide-side contact surface of the reversible cutting bit makes contact with the base support over a large area. The narrow-side contact surface of the reversible cutting bit is disposed at the radial support surface of the revolvable body. The wide-side face of the reversible cutting bit is disposed in secant-like fashion with respect to the body and the cutting edge projecting above the body is formed by the leading edge of the wide-side face extending in secant-like fashion and by a narrow-side clearance surface extending approximately radially in the body.
REFERENCES:
patent: 1351467 (1920-08-01), Chapin et al.
patent: 2598581 (1952-05-01), McKenna et al.
patent: 3156032 (1964-11-01), Lundgren
patent: 3226797 (1966-01-01), Hertel
patent: 3376763 (1968-04-01), Welles
patent: 3490117 (1970-01-01), Hertel
patent: 3653107 (1972-03-01), Hertel
patent: 3694876 (1972-10-01), Erkfritz
patent: 3802043 (1974-04-01), Garih
patent: 4074949 (1978-02-01), Hochmuth et al.
patent: 4194862 (1980-03-01), Zweekly
Heyrana Sr. Paul M.
Kazenske E. R.
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