Patent US3375491A successfully refreshed from Google Patents.
Patent US3324683A successfully refreshed from Google Patents.
US3324683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Walterscheid GmbH
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Filing: 1965-10-23
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Granted: 1967-06-13
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Schroter Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/2265; F16D3/227; F16D2003/22303; F16D2003/22313; F16D2003/2232; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A HOMOKINETIC UNIVERSAL JOINT COMPRISING A SPHERICAL SHAPED INTERNAL MEMBER ON ONE END OF A FIRST SHAFT, THERE BEING LONGITUDINALLY EXTENDING GROOVES ON SAID INTERNAL MEMBER, A CYLINDRICAL EXTERNAL MEMBER ON ONE END OF A SECOND SHAFT AND SURROUNDING SAID INTERNAL MEMBER, THERE BEING LONGITUDINALLY GROOVES IN THE INNER SURFACE OF SAID EXTERNAL MEMBER CORRESPONDING WITH SAID INTERNAL MEMBER GROOVES, A PLURALITY OF BALLS WITHIN SAID CORRESPONDING INTERNAL AND EXTERNAL MEMBER GROOVES TO OPERATIVELY CONNECT THE SAME, A CAGE MEMBER BETWEEN SAID EXTERNAL AND INTERNAL MEMBERS AND RETAINING SAID BALLS, A FIRST FACE GEAR HAVING CIRCULARLY ARRANGED GEAR TEETH ON THE SAID END OF SAID FIRST SHAFT, AND A PIVOT SUPPORT MEMBER HAVING A SECOND FACE GEAR ON ONE END THEREOF MESHING WITH SAID FIRST FACE GEAR AND A BALL ON THE OTHER END THEREOF, THERE BEING A SOCKET IN SAID END OF SAID SECOND SHAFT RECEIVING SAID BALL WHEREBY SAID SUPPORT MEMBER IS PIVOTALLY MOUNTED, THE CENTER OF SAID BALL AND SOCKET COINCIDING WITH THE CENTER OF THE PITCH CIRCLE OF SAID SECOND FACE GEAR.
Claim 2
Dependent Claim
176 words
A HOMOKINETIC UNIVERSAL JOINT COMPRISING A SPHERICAL SHAPED INTERNAL MEMBER ON ONE END OF A FIRST SHAFT, THERE BEING LONGITUDINALLY EXTENDING GROOVES ON SAID INTERNAL MEMBER, A CYLINDRICAL EXTERNAL MEMBER ON ONE END OF A SECOND SHAFT AND SURROUNDING SAID INTERNAL MEMBER, THERE BEING LONGITUDINALLY GROOVES IN THE INNER SURFACE OF SAID EXTERNAL MEMBER CORRESPONDING WITH SAID INTERNAL MEMBER GROOVES, A PLURALITY OF BALLS WITHIN SAID CORRESPONDING INTERNAL AND EXTERNAL MEMBER GROOVES TO OPERATIVELY CONNECT THE SAME, A CAGE MEMBER BETWEEN SAID EXTERNAL AND INTERNAL MEMBERS AND RETAINING SAID BALLS, A FIRST FACE GEAR HAVING CIRCULARLY ARRANGED GEAR TEETH ON THE SAID END OF SAID FIRST SHAFT, AND A PIVOT SUPPORT MEMBER HAVING A SECOND FACE GEAR ON ONE END THEREOF MESHING WITH SAID FIRST FACE GEAR AND A BALL ON THE OTHER END THEREOF, THERE BEING A SOCKET IN SAID END OF SAID SECOND SHAFT RECEIVING SAID BALL WHEREBY SAID SUPPORT MEMBER IS PIVOTALLY MOUNTED, THE CENTER OF SAID BALL AND SOCKET COINCIDING WITH THE CENTER OF THE PITCH CIRCLE OF SAID SECOND FACE 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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |