Boring tool

Details Boring tool Boring tool

1981-05-11

1983-05-10

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Including tool-holding clamp and clamp actuator

408181, 408185, 408186, B23B 5100

Patent

active

043827268

ABSTRACT:
The invention relates to a boring tool for producing stepped bores. The boring tool comprises a shaft having at least one longitudinally extending dovetail groove which is adapted to receive one or more tool holders forming a trapezoidal prismatic block. Each tool holder has clamping means for adjustably fixing a tool holder in a dovetail groove and has a continuous bore extending between two parallel lateral surfaces thereof. A rod-like cutting plate holder fits displaceably into the bore and is adjustably locked by locking means in the tool holder. The cutting plate holder has clamping means adapted to hold a cutting plate. A radial distance of each of the cutting plates from the axis of the boring tool and the longitudinal positions of the cutting plates may be adjusted to the desired positions, so that a stepped bore can be formed in one drilling operation.

REFERENCES:
patent: 1049589 (1913-01-01), Mitchell
patent: 1684804 (1928-09-01), Pabst
patent: 2998736 (1961-09-01), Cloutier et al.
patent: 3220288 (1965-11-01), Yogus
patent: 3303728 (1967-02-01), Testa
patent: 3937587 (1976-02-01), Lindem et al.

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