GB Patent: GB-190,706,911
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| Improvements in Universal and Similar Chucks.
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Patentees:
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| Alfred Herbert (exact or similar names) - Kenilworth, Warwickshire County, England |
| Percy Venables Vernon (exact or similar names) - Coventry, Warwick County, England |
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Patent Dates:
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| Applied: |
Mar. 22, 1907 |
| Granted: |
Mar. 23, 1908 |
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Patent Pictures:
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Espacenet patent
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Joel Havens
"Vintage Machinery" entry for Alfred Herbert Ltd.
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Description: |
| Abstract:
The scroll D of a universal lathe chuck has its grooves composed of circular arcs D<2>, one for each jaw. The jaws G are adjustably fixed on slides E, the adjacent surfaces H being serrated. Sector plates J serve as guides for the slides which carry pivoted blocks F engaging the scroll grooves. The scroll is rotated by means of pinions B<2>. |
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