US Patent: 1,916,117
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| Lapping Machine
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Patentee:
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| Albert E. Robinson (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 13, 1931 |
| Granted: |
Jun. 27, 1933 |
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Joel Havens
"Vintage Machinery" entry for American Tool Works Co.
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Description: |
| Claim:
In a gear lapping machine, the combination of a pair of arbors, means for mounting a pair of master gears about the axes of rotation of said arbors, means for mounting a pair of work gears about the axes of rotation of said arbors, means for adjusting the distance between said arbors, driving means for rotating said arbors and gears including a resilient rotarily yielding rotary drive connection between one of said arbors and one of said gears thereon. |
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