Boring tool with floating double edged knife

Details Boring tool with floating double edged knife Boring tool with floating double edged knife

1978-06-16

1980-04-01

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

408159, 408180, B23B 4718

Patent

active

041959574

ABSTRACT:
A boring tool having a tool head rotatable about its axis and movable in direction of the axis along a working stroke and a return stroke. A knife having a pair of opposite cutting edges is floatingly mounted in a slot of the tool head extending transverse to the axis thereof and tiltable in the slot between a working position and a withdrawal position in which the cutting edges of the knife project a smaller distance beyond the periphery of the tool head than in the working position to prevent damage of the machined surface during the return stroke of the tool head.

REFERENCES:
patent: 1096799 (1914-05-01), Weeks
patent: 1530293 (1925-03-01), Breitenstein
patent: 2247284 (1941-06-01), Young
patent: 2273228 (1942-02-01), Smith
patent: 2916951 (1959-12-01), Carlson et al.
patent: 2959109 (1960-11-01), Buchan
patent: 3008360 (1961-11-01), Winberry, Jr.
patent: 3170224 (1965-02-01), Johnson
patent: 3318175 (1967-05-01), Gogsdill
patent: 3827821 (1974-08-01), Swenson

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