Patent US1943523A successfully refreshed from Google Patents.
Patent US3218827A successfully refreshed from Google Patents.
US3218827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary joint
Assignee: GKN Driveline Deutschland GmbH
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Filing: 1963-03-28
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Granted: 1965-11-23
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Aucktor Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:00
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/224; F16D3/2245; F16D3/226; F16D3/227; F16D2003/22303; F16D2003/22309; F16D2003/22313; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A SYNCHRONIZED ROTARY JOINT INCLUDING AN INNER BODY, ADAPTED TO BE CONNECTED TO A FIRST MEMBER, SUCH AS A FIRST SHAFT, AN OUTER BODY, ADAPTED TO BE CONNECTED TO A SECOND MEMBER, SUCH AS A SECOND SHAFT, WITH TORQUE TRANSMISSION BETWEEN THE BODIES BY MEANS OF BALLS GUIDED BETWEEN THE TWO BODIES IN LONGITUDINAL GROOVES IN THE FACING SURFACES OF THE TWO BODIES, OPPOSING GROOVES IN THE TWO BODIES HAVING LONGITUDINAL CENTER LINES WHICH CROSS, AND AN APERTURED CAGE HOLDING THE BALLS IN A COMMON PLANE: THE IMPROVEMENT COMPRISING SAID OUTER BODY HAVING A CYLINDRICAL INNER SURFACE; SAID INNER BODY HAVING A SPHERICAL OUTER SURFACE; AND SAID CAGE HAVING THE FORM OF A SUBSTANTIALLY SPHERICAL SHELL AXIALLY DISPLACEABLE ALONG SAID CYLINDRICAL INNER SURFACE, AND HAVING A SPHERICAL INNER SURFACE CENTERED ON THE AXIS OF THE OUTER SURFACE OF SAID INNER BODY AND SPACED FROM THE OUTER SURFACE OF SAID INNER BODY A RADIAL DISTANCE SUFFICIENT TO PROVIDE FOR LIMITED RELATIVE AXIAL DISPLACEMENT OF SAID INNER BODY AND SAID CAGE BY ROLLING OF SAID BALLS ALONG SAID GROOVES.
Claim 2
Dependent Claim
178 words
IN A SYNCHRONIZED ROTARY JOINT INCLUDING AN INNER BODY, ADAPTED TO BE CONNECTED TO A FIRST MEMBER, SUCH AS A FIRST SHAFT, AN OUTER BODY, ADAPTED TO BE CONNECTED TO A SECOND MEMBER, SUCH AS A SECOND SHAFT, WITH TORQUE TRANSMISSION BETWEEN THE BODIES BY MEANS OF BALLS GUIDED BETWEEN THE TWO BODIES IN LONGITUDINAL GROOVES IN THE FACING SURFACES OF THE TWO BODIES, OPPOSING GROOVES IN THE TWO BODIES HAVING LONGITUDINAL CENTER LINES WHICH CROSS, AND AN APERTURED CAGE HOLDING THE BALLS IN A COMMON PLANE: THE IMPROVEMENT COMPRISING SAID OUTER BODY HAVING A CYLINDRICAL INNER SURFACE; SAID INNER BODY HAVING A SPHERICAL OUTER SURFACE; AND SAID CAGE HAVING THE FORM OF A SUBSTANTIALLY SPHERICAL SHELL AXIALLY DISPLACEABLE ALONG SAID CYLINDRICAL INNER SURFACE, AND HAVING A SPHERICAL INNER SURFACE CENTERED ON THE AXIS OF THE OUTER SURFACE OF SAID INNER BODY AND SPACED FROM THE OUTER SURFACE OF SAID INNER BODY A RADIAL DISTANCE SUFFICIENT TO PROVIDE FOR LIMITED RELATIVE AXIAL DISPLACEMENT OF SAID INNER BODY AND SAID CAGE BY ROLLING OF SAID BALLS ALONG SAID GROOVES.
References Cited (Backward Citations)
US2309939A
Cited
US2911805A
Cited
US3045755A
Cited
US2911268A
Cited
US3017755A
Cited
US3067595A
Cited
US3105369A
Cited
US3091102A
Cited
US3112625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |