GB Patent: GB-191,517,939
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| Improvements in the Control Mechanism of Boring and Turning Mills.
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Patentee:
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| Webster & Bennett, Ltd. (exact or similar names) - Coventry, Warwick County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 23, 1915 |
| Granted: |
Oct. 19, 1916 |
Espacenet patent
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Joel Havens
"Vintage Machinery" entry for Webster & Bennett
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Description: |
| Abstract:
Variable-speed and reversing gearing employed in a boring and turning mill is controlled by the movements of a single handle through a sliding and rocking shaft. The handle D, Fig. 3, is pivoted to the shaft A at E and has a ball end D<2> serving as a fulcrum and working between curved guides C. In a modification, the handle rocks the shaft through a splined sleeve H to which it is pivoted at F, to slide the shaft through rack teeth and a quadrant J. |
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