Counterbore for the bilateral attachment of plane surfaces to bo

Details Counterbore for the bilateral attachment of plane surfaces to bo Counterbore for the bilateral attachment of plane surfaces to bo

1987-01-29

1988-07-12

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

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

To move radially

408147, 408157, B23B 5100

Patent

active

047566493

ABSTRACT:
A counterbore for the bilateral mounting of plane surfaces on through holes that consists of a tool head that may be driven rotationally by means of a shank. The counterbore has two cutting heads with cutting edges pointing in opposite directions. The cutting heads are guided within the tool head in take-up slots in such a way that they may be moved out radially and fixed in a preselected position. The cutting heads lie against one another within the area of the take-up slots. In order that high cutting forces may be transmitted easily in a tool head of small dimensions, the cutting heads are guided through a guide slot extending in a radial direction and positioned in the take-up slots of the tool head.

REFERENCES:
patent: 2003402 (1935-06-01), Thomas
patent: 3738767 (1973-06-01), Benjamin et al.
patent: 4039295 (1977-08-01), Hockmuth
patent: 4140432 (1979-02-01), Heule
patent: 4242018 (1980-12-01), Schurfeld
patent: 4278372 (1981-07-01), Heisner

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