US Patent: 834,218
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| Boring and Turning Mill
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Patentee:
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| John Riddell (exact or similar names) - Schenectady, Schenectady County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 18, 1905 |
| Granted: |
Oct. 23, 1906 |
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Joel Havens
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Description: |
| This patent is a division of my prior application, Serial No. 163,319, filed June 27,1903.
Abstract:
The present invention relates to machine- tools, and more particularly to boring and turning mills, and has for its object to provide boring-bar which may be raised or lowered into adjusted position by hydraulic means and, further, to provide a toolhead which may be readily adjusted rotarily upon the bar and also caused to move longitudinally thereof by the same hydraulic means used in adjusting the bar.
Claim:
In a boring and turning mill, the combination of a cylindrical boring-bar, a sleeve feathered thereto for longitudinal movement, an adjustable tool-supporting shell journaled upon said sleeve, and means to move said shell about said sleeve and hold it in adjusted position. |
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