Rotating drill head with a boring bar which is pivotable by a sl

Details Rotating drill head with a boring bar which is pivotable by a sl Rotating drill head with a boring bar which is pivotable by a sl

1993-05-14

1994-04-19

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

To move radially

408159, 408180, B23B 5100

Patent

active

053040198

ABSTRACT:
Rotating drill head with a boring bar which is swivel able by small amounts transversely to the rotational axis by fluidic means, with a base, a driven member located opposite the base, a pressure chamber arranged between the base and driven member and having a fluid inlet, and with an expanding lever gearing in a working connection with the driven member and serving for the synchronous and oppositely directed swiveling of a tool carrier and a compensating member which are constructed so as to be geometrically similar and constitute the boring bar.

REFERENCES:
patent: 3007356 (1961-11-01), Jones
patent: 3422705 (1969-01-01), Nahodil et al.
patent: 3749508 (1973-07-01), Schukrafft

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