Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Reexamination Certificate
2001-07-09
2004-06-08
Banks, Derris H. (Department: 3712)
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
C407S036000
Reexamination Certificate
active
06746184
ABSTRACT:
BACKGROUND OF THE INVENTION
Automatic machine lathes and the like are often utilized for forming precision parts by high-speed rotation of the metal or plastic stock against a forming tool or blade. One such high-speed turret lathe is described within U.S. Pat. No. 5,313,694 entitled “Machine Tool for Non-circular and Other Machining”.
One of the problems that occurs when the tool vibrates to off-center operation, is the removal of the tool from the tool holder and the replacement of the tool in the original position within the tool holder causing a disruption in the part making process.
It would be economically advantageous, if the tool re-positioning could occur without having to remove the tool from the tool holder to expedite the part fabrication process.
Accordingly, one purpose of the invention is to provide a simple and effective arrangement for tool positioning within the tool holder without causing a delay in the part fabrication process and without incurring increased equipment costs.
SUMMARY OF THE INVENTION
An automatic machine tool includes a stationary tool assembly in combination with a rotating work piece. The tool assembly includes an outer hollow steel jacket that receives a channeled tool holder. The tool insertion opening within the tool holder is off-centered a predetermined distance from the center line through the outer jacket to allow rotational positioning of the tool within the tool opening without requiring removing the tool holder from the outer jacket.
REFERENCES:
patent: 3381553 (1968-05-01), Lutz
patent: 3644050 (1972-02-01), Schiller
patent: 5261302 (1993-11-01), Erickson et al.
patent: 5913643 (1999-06-01), Fowler et al.
patent: 5961259 (1999-10-01), Ziegler
Abdelwahed Ali
Banks Derris H.
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