GB Patent: GB-2,044,482
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| Compensating Gear Transmission Errors in Positional Control Apparatus
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Patentees:
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| Julius Harman (exact or similar names) - Coventry, Warwick County, England |
| Ian Barry Golding (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: |
Feb. 12, 1980 |
| Granted: |
Oct. 15, 1980 |
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Patent Pictures:
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Espacenet patent
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Joel Havens
"Vintage Machinery" entry for Webster & Bennett
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Description: |
| Abstract:
A positional control apparatus for a machine tool includes a movable member, such as a slide 10, and a means such as a motor 18, for driving said member through a transmission 13, 15. Means 17 measures the movement of slide 10 and further means 20 measures the movement at the motor 18. The measurements are compared and the result used in a control unit to correct the position of the slide 10 by movement of the motor 18. |
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