Adjustable cutting or boring tool

Details Adjustable cutting or boring tool Adjustable cutting or boring tool

1984-03-29

1985-10-01

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

408158, 408168, B23B 2902

Patent

active

045443092

ABSTRACT:
Tool includes a plurality of circumferentially spaced radially extending guideways in an end face thereof for receipt of a corresponding number of cutting tool holders. The radial inner ends of the holders have cam followers thereon which are urged radially inwardly by spring members into engagement with one or more correspondingly tapered cam surfaces on a central pusher element. The pusher element is supported for axial movement within a longitudinal bore in the cutting tool and is precisely axially movable in opposite directions to cause precise radial inward and outward movement of the tool holders within such guideways.

REFERENCES:
patent: 1571339 (1926-02-01), Madden
patent: 2278631 (1942-04-01), Young
patent: 2772870 (1956-12-01), Anderson et al.
patent: 3237486 (1966-03-01), Gilbert et al.
patent: 4229127 (1980-10-01), Bartley
patent: 4260303 (1981-04-01), Newman
patent: 4278372 (1981-07-01), Heisner
patent: 4343576 (1982-08-01), Lagerholm et al.

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