Cutting by use of rotating axially moving tool – Tool or tool with support
Patent
1975-05-05
1977-06-28
Simpson, Othell M.
Cutting by use of rotating axially moving tool
Tool or tool with support
408225, B23B 5110
Patent
active
040322513
ABSTRACT:
A cutting tool is disclosed which has an axis of rotation and comprises a cutting portion having a tapered body and a generally conically shaped surface. Wall means extend radially into the tapered body and define a curved cutting face wall. A relieved land surface extends to and meets the cutting face wall to define a curved cutting edge. The curved cutting edge is located substantially on or at the conical surface of the tapered body. A lateral support surface is located substantially at or on the conical surface of the tapered body and at a positon generally diametrically opposed to the curved cutting edge. The conical surface of the tapered body is substantially recessed rotatively ahead of the cutting edge to the lateral support surface to provide space for chips and is, also, sufficiently recessed rotatively rearwardly of the cutting edge to the lateral support surface to prevent that area from making contact with the workpiece. A chip breaking wall is integrally connected to the cutting face wall and extends generally transverse or laterally thereto for the purpose of breaking chips which come off the cutting edge in conventional curled fashion.
REFERENCES:
patent: 2749909 (1956-06-01), Ullery et al.
patent: 2829543 (1958-04-01), Bergstrom
patent: 2829544 (1958-04-01), Bergstrom
patent: 2898787 (1959-08-01), Hofbauer
patent: 3076356 (1963-02-01), Simich
patent: 3248975 (1966-05-01), Breuning
patent: 3836278 (1974-09-01), McInnes
Silverberg Fred A.
Simpson Othell M.
The Weldon Tool Company
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