Device to Reverse the Rotation of Coupled Shafts, US Patent No. 1954890
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US Patent No. 1,954,890, granted April 17, 1934, to Juste Rembert and Casimir Salvetti of France, assignors to Dirac. It describes a mechanical device that reverses the rotation of a main shaft without changing the rotation of a coupled countershaft. It uses two gear trains, one direct and one reversed, with a sliding key that engages spiral-grooved loose pinions. The patent has two sheets of drawings (Figs. 1-21) showing gear arrangements and key variants, followed by the specification and one claim.
- Type
- Patent
- Date
- April 17, 1934
- Language
- English
- Pages
- 5
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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