Patent US3289488A successfully refreshed from Google Patents.
US3289488A
Expired / Lapsed
US
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Planetary gear construction
Assignee: Mannesmann Demag AG
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Filing: 1965-05-21
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Granted: 1966-12-06
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Breuer Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:15
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H1/46; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A PLANETRY GEARING INCLUDING AN SUM GEAR, A CASING, A ROTATABLY CARRIER, AND INTERNAL RING GEAR WITHIN THE CASING AND CONSTITUTING THE OUTER MEMBER OF THE GEARING, AND PLANET PINIONS ROTATABLE ON THE CARRIER AND MESHING WITH THE SUM GEAR AND THE RING GEAR: A SUPPORTING ARRANGEMENT FOR SAID RING GEAR ON SAID CASING, NORMALLY RESTRAINING SAID RING GEAR AGAINST ROTATION RELATIVELY TO SAID CASING WHILE PROVIDING FOR RELATIVELY SLIGHT COMPENSATORY MOVEMENTS OF SAID RING GEAR; SAID CASING HAVING A RELATIVEL THIN CYLINDRICAL WALL EMBRACING SAID RING GEAR AND HAVING AN AXIAL EXTEND VERY SUBSTANTIALLY GREATER THAN THAT OF THE TEETH OF SAID RING GEAR; THE EXTERNAL PERIPHERY OF SAID RING GEAR HAVING BEARING ENGAGEMENT WITH THE INNER SURFACE OF SAID CASING CYLINDRICAL WALL OVER A NARROW ANNULAR CYLINDRICAL CONTACT AREA CONSTITUTED BY CIRCUMFERENTIALLY CONTINUOUS, SMOOTH AND UNINTERRUPTED CYLINDRICAL SURFACES OF SAID RING GEAR AND SAID CASING CYLINDRICAL WALL, AND WHICH IS AXIALLY SUBSTANTIALLY CENTRALLY OF SAID RING GEAR AND HAS AN AXIAL EXTEND SUBSTANTIALLY LESS THAN THAT OF THE TEETH OF SAID RING GEAR.
Claim 2
Dependent Claim
176 words
IN A PLANETRY GEARING INCLUDING AN SUM GEAR, A CASING, A ROTATABLY CARRIER, AND INTERNAL RING GEAR WITHIN THE CASING AND CONSTITUTING THE OUTER MEMBER OF THE GEARING, AND PLANET PINIONS ROTATABLE ON THE CARRIER AND MESHING WITH THE SUM GEAR AND THE RING GEAR: A SUPPORTING ARRANGEMENT FOR SAID RING GEAR ON SAID CASING, NORMALLY RESTRAINING SAID RING GEAR AGAINST ROTATION RELATIVELY TO SAID CASING WHILE PROVIDING FOR RELATIVELY SLIGHT COMPENSATORY MOVEMENTS OF SAID RING GEAR; SAID CASING HAVING A RELATIVEL THIN CYLINDRICAL WALL EMBRACING SAID RING GEAR AND HAVING AN AXIAL EXTEND VERY SUBSTANTIALLY GREATER THAN THAT OF THE TEETH OF SAID RING GEAR; THE EXTERNAL PERIPHERY OF SAID RING GEAR HAVING BEARING ENGAGEMENT WITH THE INNER SURFACE OF SAID CASING CYLINDRICAL WALL OVER A NARROW ANNULAR CYLINDRICAL CONTACT AREA CONSTITUTED BY CIRCUMFERENTIALLY CONTINUOUS, SMOOTH AND UNINTERRUPTED CYLINDRICAL SURFACES OF SAID RING GEAR AND SAID CASING CYLINDRICAL WALL, AND WHICH IS AXIALLY SUBSTANTIALLY CENTRALLY OF SAID RING GEAR AND HAS AN AXIAL EXTEND SUBSTANTIALLY LESS THAN THAT OF THE TEETH OF SAID RING GEAR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |