Drilling assembly for making boreholes with undercuts

Details Drilling assembly for making boreholes with undercuts Drilling assembly for making boreholes with undercuts

1988-03-28

1989-03-28

Scott, Jr., Leon

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

175170, 408150, B23C 100

Patent

active

048159042

ABSTRACT:
A drilling assembly for making boreholes with undercuts comprises a housing receiving a drill receiver driven by a drilling machine, a drill, the shaft of which is connected to the drill receiver, and a sleeve-shaped centering insert protruding from the housing and surrounding the shaft of the drill with a play and having a conical portion the outer diameter of which increases towards the housing.

REFERENCES:
patent: 4487275 (1984-12-01), Froehlich

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