Boring tools

Details Boring tools Boring tools

1979-05-11

1981-04-07

Bray, W. Donald

Cutting by use of rotating axially moving tool

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

To move radially

408181, 408240, 279 1A, B23B 5100

Patent

active

042603030

ABSTRACT:
A boring tool has a cylindrical body (1) with cutter blades (7) slidable at an angle to the body axis. The projection of the blades beyond the body and thus the boring diameter is set by a rotatable advancing member (12) having a conical head (11) to engage the blades and a threaded shank (13) within a threaded portion (14) in the body. Rotation of the member (12) is produced by rotation of a worn (17) engaging a worm wheel (16) fast to the shank.

REFERENCES:
patent: 375361 (1887-12-01), Kingman
patent: 1217256 (1917-02-01), Witanowski
patent: 2046241 (1936-06-01), Beard
patent: 2272200 (1942-02-01), Hogg

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