US3464232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joints
Assignee: GKN Service UK Ltd
•
Filing: 1966-03-11
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Granted: 1969-09-02
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Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Philip Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:18
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/227; F16D2003/22303; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A CONSTANT VELOCITY JOINT COMPRISING A HOLLOW OUTER MEMBER WITH A CYLINDRICAL BORE FORMED WITH GROOVES EXTENDING LENGTHWISE OF THE BORE, AN INNER MEMBER HAVING A PART-SPHERICAL OUTER SURFACE FORMED WITH GROOVES WHICH COOPERATE WITH THE GROOVES IN THE OUTER MEMBER TO PROVIDE BALL TRACKS, THE INNER MEMBER BEING FREE FOR BOTH ARTICULATORY AND AXIAL MOVEMENT WITHIN THE OUTER MEMBER, BALLS WHICH ENGAGE AND MOVE ALONG THE GROOVES DURING RELATIVE MOVEMENT OF SAID MEMBERS AND WHICH TRANSMIT TORQUE BETWEEN THE MEMBERS, AND A BALL CAGE WHICH ACTS TO CENTRE THE INNER MEMBER WITHIN THE OUTER MEMBER AND HAS APERTURES IN WHICH THE BALLS ARE RECEIVED, THE CAGE HAVING PART-SPHERICAL INNER AND OUTER SURFACES WHICH RESPECTIVELY ENGAGE SAID OUTER SURFACE OF THE INNER MEMBER AND SAID BORE OF THE OUTER MEMBER AND WHICH HAVE CENTRES OF CURVATURE OFFSET BY AN EQUAL AMOUNT ON OPPOSITE SIDES OF THE JOINT CENTRE ALONG THE JOINT AXIS, AND THE CAGE ALSO BEING FORMED WITH A COUNTERBORE AT ONE END TO FACILITATE ASSEMBLY OF THE CAGE ON THE INNER MEMBER.
Claim 2
Dependent Claim
174 words
A CONSTANT VELOCITY JOINT COMPRISING A HOLLOW OUTER MEMBER WITH A CYLINDRICAL BORE FORMED WITH GROOVES EXTENDING LENGTHWISE OF THE BORE, AN INNER MEMBER HAVING A PART-SPHERICAL OUTER SURFACE FORMED WITH GROOVES WHICH COOPERATE WITH THE GROOVES IN THE OUTER MEMBER TO PROVIDE BALL TRACKS, THE INNER MEMBER BEING FREE FOR BOTH ARTICULATORY AND AXIAL MOVEMENT WITHIN THE OUTER MEMBER, BALLS WHICH ENGAGE AND MOVE ALONG THE GROOVES DURING RELATIVE MOVEMENT OF SAID MEMBERS AND WHICH TRANSMIT TORQUE BETWEEN THE MEMBERS, AND A BALL CAGE WHICH ACTS TO CENTRE THE INNER MEMBER WITHIN THE OUTER MEMBER AND HAS APERTURES IN WHICH THE BALLS ARE RECEIVED, THE CAGE HAVING PART-SPHERICAL INNER AND OUTER SURFACES WHICH RESPECTIVELY ENGAGE SAID OUTER SURFACE OF THE INNER MEMBER AND SAID BORE OF THE OUTER MEMBER AND WHICH HAVE CENTRES OF CURVATURE OFFSET BY AN EQUAL AMOUNT ON OPPOSITE SIDES OF THE JOINT CENTRE ALONG THE JOINT AXIS, AND THE CAGE ALSO BEING FORMED WITH A COUNTERBORE AT ONE END TO FACILITATE ASSEMBLY OF THE CAGE ON THE INNER MEMBER.
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |