US Patent: 2,618,179
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| Hydraulic control for drill feeding units
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Patentee:
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| Claude E. Broders (exact or similar names) - Detroit, MI |
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Patent Dates:
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| Applied: |
Jan. 11, 1950 |
| Granted: |
Nov. 18, 1952 |
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Jeff Joslin Vintage Machinery entry for Govro-Nelson Co.
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Description: |
| This patent is an improvement on patents 2,053,514 (reissued as RE21,341) and 2,426,386. The improvement substitutes a hydraulic dash-pot for an air dash-pot, plus a mechanism to automatically bleed air from the mechanism. |
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