Boring bar

Details Boring bar Boring bar

1979-01-22

1980-10-21

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

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

To move radially

10145, 279 2R, B23B 4718, B23B 5100

Patent

active

042291275

ABSTRACT:
A collapsible boring bar is disclosed having radially movable tool units on its outer periphery. The tool units are moved radially by an axially slidable ramp means that acts on cylindrically shaped rollers. The ramp means are located in grooves formed in a tapered spacer element that is located within the head of the boring bar.

REFERENCES:
patent: 3276101 (1966-10-01), Plein
patent: 3625625 (1971-12-01), VanRoojen, et al.

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