Coarse/fine adjustment boring head

Details Coarse/fine adjustment boring head Coarse/fine adjustment boring head

1988-10-17

1989-11-07

Briggs, William

Cutting by use of rotating axially moving tool

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

To move radially

408153, B23B 29034

Patent

active

048787876

ABSTRACT:
Coarse/fine adjustment boring head employing a transverse sleeve threaded into and extending through a boring head body providing coarse incremental radial adjustment of an insert cartridge, axially oriented within a sleeve, together with a fine radial adjustment of the cartridge relative to the sleeve effected through a differential screw having differential pitch threads with lead in the same direction.

REFERENCES:
patent: 2553761 (1951-05-01), Gooding
patent: 2629270 (1953-02-01), Kaehlert
patent: 3518738 (1970-07-01), Porter
patent: 3709625 (1973-01-01), Erkfritz
patent: 4708543 (1987-11-01), Plutschuck et al.

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