Composite rotary tool including hole forming means and a deburre

Details Composite rotary tool including hole forming means and a deburre Composite rotary tool including hole forming means and a deburre

1977-09-23

1982-06-08

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Tool having stepped cutting edges

408226, 408230, B23B 5100

Patent

active

043337279

ABSTRACT:
A composite rotary tool including a working surface extending from the leading end of the tool for forming a hole in the material being worked, and at least one cutter positioned beyond the active working surface for removing a small amount of material from an edge of a formed hole during the period of the forward and reverse strokes of the tool. The cutter may perform its function during a normal complete cycle of the tool operation.

REFERENCES:
patent: 679693 (1901-07-01), Burkhart
patent: 1111410 (1914-09-01), Semon
patent: 1561463 (1925-11-01), De Rochemont
patent: 2314084 (1943-03-01), Fried
patent: 2657597 (1953-11-01), Pickering et al.
patent: 2949618 (1960-08-01), Peyser et al.
patent: 3063312 (1962-11-01), Mueller
patent: 3635573 (1972-01-01), Halpern

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