US3563105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothed meshing transmission mechanisms
Assignee: Istituto per le Richerche di Tecnologia Meccanica RTM
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Filing: 1969-10-09
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Granted: 1971-02-16
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Expires: 1989-10-09
Abstract
Abstract IN ORDER TO EVENLY AND SMOOTHLY TRANSMIT A ROTARY MOTION FROM A DRIVING SHAFT TO A TOOTHED DRIVEN MEMBER, THE MEMBER MESHES WITH A PAIR OF DRIVING PINIONS ARRANGED COAXIALLY ON THE SHAFT, ONE OF THE PINIONS IS HELICALLY SPLINED TO THE SHAFT AND THE SHAFT IS AXIALLY FLOATING WITH RESPECT TO SAID ONE OF THE PINIONS, WHILE THE OTHER PINION IS FORMED EITHER WITH HELICAL SPLINES COUPLING IT TO THE SHAFT OR WITH HELICAL TEETH MESHING WITH THE MEMBER, THE INCLINATION OF SAID HELICAL SPLINES OR TEETH BEING OPPOSITE TO THAT OF THE SPLINES BETWEEN SAID ONE OF THE PINIONS AND THE SHAFTS.
Inventors
- 👤 Roberto Graziosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/12; F16H2057/121; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |