US Patent: 492,381
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| Tool Holder
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Patentee:
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| George Armstrong (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Jun. 25, 1892 |
| Granted: |
Feb. 28, 1893 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Armstrong Brothers Tool Co.
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Description: |
| Louis K. Gillson - patent attorney
My invention relates to cutter- or tool-holders for lathes and planers. Its object is to provide a holder for cutters used in connection with such tools which will possess great strength; will present the cutter at the most effective angle; will hold the cutter secure and prevent it from impinging upon the tool post or bed plate should it slip back in the socket. The invention consists essentially in the position and shape of the socket of the holder or stock. |
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