Patent US3613398A successfully refreshed from Google Patents.
US3613398A
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US
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Constant velocity ball joint
Assignee: NTN Corp
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Filing: 1969-10-06
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Granted: 1971-10-19
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Expires: 1989-10-06
Abstract
Abstract IN A UNIVERSAL JOINT COMPRISING INNER AND OUTER MEMBERS COUPLED ROTATIONALLY BY TORQUE TRANSMITTING BALLS, THE OUTER MEMBER HAS A CONICAL FLANGE PORTION, AN ATTACHING MEMBER FOR SECURING THE OUTER MEMBER TO ONE OF THE DRIVE MEMBERS HAS A CONICAL FLANGE PORTION FITTING THEREWITH, CLAMP BOLTS SECURE SAID FLANGE PORTIONS TOGETHER, AND THE OUTER MEMBER AND ATTACHING MEMBER FURTHER HAVE RADIAL INTERENGAGING SPLINE MEANS COOPERATING TO AVOID EXERTION OF SHEARING FORCE IN THE BOLTS DURING DRIVING OF THE JOINT.
Inventors
- 👤 Hisao Hasegawa
- 👤 Masashi Sanami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:53
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/227; F16D1/00; F16D1/06; F16D1/076; F16D1/08; F16D1/0894; F16D2003/22326; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |