US Patent: 3,774,115
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| Signal Generator for Unbalance Detectors
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Patentee:
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| Richard A. Greiner (exact or similar names) - Madison, Dane County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 24, 1972 |
| Granted: |
Nov. 20, 1973 |
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Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
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Description: |
| This is a division of application, now abandoned, filed 09 Nov., 1970.
Abstract:
An improved system for measuring and signaling the magnitude and angular location of unbalance in a rotatable workpiece, characterized especially by a non-contacting sine-cosine wave generator which imposes no mechanical inertia or self-contained unbalance on the system while the workpiece is rotationally driven for testing, and which is immune from the adverse effects of variations in the speed of the rotational drive. |
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