Device for forming an undercut in a drilled hole

Details Device for forming an undercut in a drilled hole Device for forming an undercut in a drilled hole

1989-11-20

1991-02-12

Britts, Ramon S.

Cutting by use of rotating axially moving tool

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

To move radially

82 15, 175286, 408180, B23B 29034, B28D 114

Patent

active

049920103

ABSTRACT:
A device for forming an undercut in a drilled hole comprises a stem having a pivotal reaming element at a lower end thereof, and a guide tube in which the stem is longitudinally displaceable with the reaming element pivoting radially outwards from the guide tube in a lower end position of the stem.

REFERENCES:
patent: 3008360 (1961-11-01), Winberry, Jr.

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