US Patent: 2,451,246
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| Tool Bit and Holder Therefor
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Patentee:
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| Henry M. Sheridan (exact or similar names) - Erie, Erie County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 01, 1945 |
| Granted: |
Oct. 12, 1948 |
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Patent Pictures:
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Joel Havens
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Description: |
| Abstract:
This invention relates to tool bits and holders therefor, and is particularly concerned with replaceable bits and their holders in which the cutting tool or bit is removably and adjustably secured within the holder, which in turn is carried by a tool feed mechanism of a machine tool. It is among the general objects of the invention to provide means by which small pieces of relatively expensive cutting material may be presented to the work piece so as to avoid the expense of a solid one piece tool. Such so called "solid shank" tools are frequently made of a relatively inexpensive material and are provided wit-i cutting tips of more expensive cutting material. However, such "solid shank" tools must be discarded when the tip is worn or destroyed and considerable difficulty is experienced in applying the tip and in keeping the tip in cutting condition.
Claim:
A tool holder Comprising a shank having an extended portion providing a flat seat with a terminal wall extending in a single plane from said seat, said plane being inclined rearwardly from the plane of the seat and also extending 6 diagonally across said seat, a bit clamp mounted over said seat having a rear wall snugly embracing and conforming to said terminal wall and having an open sided bit receiving recess therein extending inwardly in the direction of said diagonal wall and forming in combination with said seat a bit pocket having a top, bottom, inner end and side wall, and means for forcing said clamp towards said seat. |
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