Patent US3244020A successfully refreshed from Google Patents.
US3244020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear constructions
Assignee: Mannesmann Demag AG
•
Filing: 1962-04-11
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Granted: 1966-04-05
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Breuer Karl
- 👤 Kronert Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:11
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/48; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A PLANETARY GEARING COMPRISING, IN COMBINATION, A SUBSTANTIALLY CENTRAL SUN GEAR; A CASING; A CARRIER ROTATABLY SUPPORTED IN SAID CASING AND COAXIAL WITH SAID SUN GEAR; AN INTERNAL RING GEAR COAXIAL WITH SAID SUN GEAR; PLANETARY PINIONS ROTATABLY MOUNTED ON SAID CARRIER AND MESHING WITH SAID SUN GEAR AND SAID INTERNAL RING GEAR; A RELATIVELY ELONGATED DRIVE SHAFT ROTATABLY SUPPORTED AT ONE END ONLY IN SAID CASING AND DISPLACEABLE AXIALLY; MEANS FORMING A SPLINED INTERCONNECTION BETWEEN THE FREE END OF SAID DRIVE SHAFT AND SAID SUN GEAR TO PROVIDE FOR LIMITED AXIAL AND RADIAL PLAY OF SAID SUN GEAR TO ABSORB STRESSES AND ACCOMMODATE MISALIGNMENT OF PARTS; MEANS FORMING A YIELDABLE ROTATION PREVENTING CONNECTION BETWEEN SAID RING GEAR AND SAID CASING TO PROVIDE FOR LIMITED MOVEMENT OF SAID RING GEAR TO ABSORB STRESSES AND ACCOMMODATE MISALIGNMENT OF PARTS; A COUPLING ROTATABLY MOUNTED IN SAID CASING; SAID ONE END OF SAID DRIVE SHAFT HAVING A SPLINED INTERCONNECTION WITH SAID COUPLING; MEANS RESTRAINING RELATIVE AXIAL SEPARATION OF SAID COUPLING AND SAID SUN GEAR; SAID MEANS FOR RESTRAINING SUCH RELATIVE AXIAL SEPARATION COMPRISING FLEXIBLE WEB MEMBERS RESPECTIVELY ANCHORED IN SAID COUPLING AND IN SAID SUN GEAR; AND MEANS COAXIAL WITH SAID SHAFT INTERCONNECTING SAID FLEXIBLE WEB MEMBERS.
Claim 2
Dependent Claim
204 words
A PLANETARY GEARING COMPRISING, IN COMBINATION, A SUBSTANTIALLY CENTRAL SUN GEAR; A CASING; A CARRIER ROTATABLY SUPPORTED IN SAID CASING AND COAXIAL WITH SAID SUN GEAR; AN INTERNAL RING GEAR COAXIAL WITH SAID SUN GEAR; PLANETARY PINIONS ROTATABLY MOUNTED ON SAID CARRIER AND MESHING WITH SAID SUN GEAR AND SAID INTERNAL RING GEAR; A RELATIVELY ELONGATED DRIVE SHAFT ROTATABLY SUPPORTED AT ONE END ONLY IN SAID CASING AND DISPLACEABLE AXIALLY; MEANS FORMING A SPLINED INTERCONNECTION BETWEEN THE FREE END OF SAID DRIVE SHAFT AND SAID SUN GEAR TO PROVIDE FOR LIMITED AXIAL AND RADIAL PLAY OF SAID SUN GEAR TO ABSORB STRESSES AND ACCOMMODATE MISALIGNMENT OF PARTS; MEANS FORMING A YIELDABLE ROTATION PREVENTING CONNECTION BETWEEN SAID RING GEAR AND SAID CASING TO PROVIDE FOR LIMITED MOVEMENT OF SAID RING GEAR TO ABSORB STRESSES AND ACCOMMODATE MISALIGNMENT OF PARTS; A COUPLING ROTATABLY MOUNTED IN SAID CASING; SAID ONE END OF SAID DRIVE SHAFT HAVING A SPLINED INTERCONNECTION WITH SAID COUPLING; MEANS RESTRAINING RELATIVE AXIAL SEPARATION OF SAID COUPLING AND SAID SUN GEAR; SAID MEANS FOR RESTRAINING SUCH RELATIVE AXIAL SEPARATION COMPRISING FLEXIBLE WEB MEMBERS RESPECTIVELY ANCHORED IN SAID COUPLING AND IN SAID SUN GEAR; AND MEANS COAXIAL WITH SAID SHAFT INTERCONNECTING SAID FLEXIBLE WEB MEMBERS.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |