US Patent: 2,887,760
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| Cutting Tool
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Patentee:
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| John O. Armstrong (exact or similar names) - Palatine, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 28, 1956 |
| Granted: |
May 26, 1959 |
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Joel Havens
Armstrong Brothers Tool Co. history
"Vintage Machinery" entry for Armstrong Brothers Tool Co.
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Description: |
| Carlson, Pitzner, Hubbard & Wolfe - patent attorneys
The present invention relates to a Cutting Tool and eliminates the need for resharpening the cutting edges, more particularly to a Carbide Insert Cutting Tool. It is an object of the present invention to provide an insert of this cutting tool having a replaceable cutting tip or bit which permits rapid removal of the cutting tool edge as well as replacement of the entire tip or bit. It is a related object to provide a tool of the foregoing type particularly adapted for use with replaceable tips or bits of carbide materials. Another object of the present invention is to provide a cutting tool in which the cutting tip is held firmly and positively in a manner to minimize chatter or vibration of the tip. It is also an object of the present invention to provide a cutting tool which supports the tip against breakage. The latter is especially important when tips are of brittle material, such as tungsten carbide, are used. A further object of the present invention is to a cutting tool with a replaceable cutting tip which may be repeatedly assembled with accurately positioned relation of its parts and is versatile in permitting adaption to different cutting conditions and cutting tips Still another object is to provide a cutting tool in to provide the desired cutting angles.
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