US Patent: 4,162,867
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| Dual Cutter Boring Head
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Patentees:
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| Donald J. Calcaterra (exact or similar names) - Stockton, San Joaquin County, CA |
| Robert A. Rhinefrank (exact or similar names) - Stockton, San Joaquin County, CA |
| Donald W. Barton (exact or similar names) - Manteca, San Joaquin County, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1978 |
| Granted: |
Jul. 31, 1979 |
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Joel Havens
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Description: |
| Abstract:
In the machine tool art, a dual cutter boring head which comprises a cylindrical body having side-by-side, tool-holding slides mounted diametrically thereon; the slides at their outer ends being fitted with cutters disposed exteriorly of the periphery of the body, and micro-adjustment mechanism within the confines of the body arranged to impart simultaneous, opposed, reversible motion to the slides whereby to precisely and equally adjust the slides and the cutters thereon outwardly or inwardly, selectively. |
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