US Patent: 744,678
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| Variable-Speed Mechanism
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Patentee:
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| Nicholas D. Chard (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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| Applied: |
Jul. 28, 1903 |
| Granted: |
Nov. 17, 1903 |
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Joel Havens
"Vintage Machinery" entry for Lodge & Shipley Machine Tool Co.
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Description: |
| Wood & Wood - patent attorneys
My invention relates to a speed-variator in which a plurality of different-diameter gear wheels are disposed on parallel shafts and intermeshed, means being provided for simultaneously clutching any selected pair of intermeshed gear-wheels to their two shafts, respectively. My invention particularly relates to the construction and arrangement of the keys by means of which the clutch is effected. |
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