US Patent: 1,809,858
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| Machine Tool
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Patentee:
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| Harold E. Martin (exact or similar names) - North Providence, Providence County, RI |
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Patent Dates:
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| Applied: |
Jun. 21, 1928 |
| Granted: |
Jun. 16, 1931 |
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Joel Havens
Vintage Machinery entry for Brown & Sharpe Mfg. Co.
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Description: |
| The invention is a "checking mechanism adapted to arrest the movement of a reciprocating table upon reversal of the direction of the drive" and is intended for use on the grinding machine of patents 1,846,132 and 1,861,279. |
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