Universal joint of uniform speed
Abstract
Abstract THE PRESENT INVENTION PROVIDES A UNIVERSAL JOINT OF UNIFORM SPEED FOR TRANSMITTING A TORQUE FROM AN INPUT SHAFT TO AN OUTPUT SHAFT BY USING BALLS COMPRISING MERIDIAN FORM RING GROOVES ON A SPHERICAL INNER SURFACE OF A BOWL SHAPED OUTER MEMBER OF AN INPUT SHAFT AND A SPHERICAL OUTER SURFACE OF A SPHERICAL INNER MEMBER, RESPECTIVELY, SAID GROOVES BEING COAXIAL, A ROW OF LARGE DIAMETER BALLS FITTING WITH SAID RESPECTIVE RING GROOVES, THROUGH WHICH THE TORQUE IS TRANSMITTED, A RETAINER PROVIDED BETWEEN SAID INNER AND OUTER MEMBERS FOR DETERMINING THE POSITIONS OF SAID BALLS, SMALL DIAMETER GUIDE BALLS ARE PROVIDED INTERMEDIATE SAID LARGE DIAMETER BALLS FOR DETERMINING BISECTING PLANE OF THE PIVOTING ANGLE.
Inventors
- 👤 Masaaki Noguchi
- 👤 Shigeru Sakakibara
- 👤 Masaharu Sumiyoshi
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |