Radially adjustable rotary cutting tool

Details Radially adjustable rotary cutting tool Radially adjustable rotary cutting tool

1975-04-01

1977-09-27

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Tool of specific diverse material

407 32, 407 53, 408161, B23B 2714, B23B 5100

Patent

active

040508404

ABSTRACT:
A radially adjustable rotary cutting tool such as a rotary reamer or the like. The tool head has a generally cylindrical body with a shank at one end and a radially slotted cutting head at the other end. The cutting head has a central axially extending threaded bore adapted to receive a threaded expansion element that may be used to radially expand or enlarge the cutting head when turned into the bore. The cutting head has an inner core portion formed of a low to medium alloy carbon steel and an annular outer portion formed of a tool steel metallurgically bonded to the core portion to provide a unitary composite structure. The annular outer portion has a plurality of circumferentially spaced longitudinal flutes formed therein to define integral longitudinally extending radially adjustable cutting surfaces.

REFERENCES:
patent: 764145 (1904-07-01), McKenna
patent: 945566 (1910-01-01), Matthews
patent: 2858718 (1958-11-01), Kohler
patent: 3017790 (1962-01-01), Werle

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