Full recirculating linear ball bearings with shaft telescoping while transmitting torque
Abstract
Abstract THE INNER MEMBER OF THE TELESCOPIC SHAFT HAS TRUE RECTILINEAR BALL RACES GROUND AFTER HEAT TREATING. OPPOSITE EACH OF SAID SURFACES THE OUTER MEMBER HAS TWO CHANNELS IN WHICH BALLS ARE CONFINED AND CAN MOVE FREELY. THESE CHANNELS HAVE NARROW SLOTS THROUGH WHICH PORTIONS OF THE BALLS ARE EXPOSED TO CONTACT THE INNER MEMBER. THE ARRANGEMENT CONFINES THE BALLS AGAINST ESCAPE FROM THE CHANNELS WHEN THE INNER MEMBER SI WITHDRAWN FROM THE OUTER MEMBER. END CAPS PROVIDE TRANSFER PASSAGES FROM ONE CHANNEL TO THE OTHER SO THAT THE CIRCULATION IS IN A CLOSED PATH. SPLIT RINGS ANCHOR THE END CAPS IN THE OUTER MEMBER AND PRONGS INTEGRAL WITH THE END CAPS INTERLOCK THE END CAPS WITH THE SLEEVE-LIKE OUTER MEMBER AND THE PROPER ORIENTATION.
Inventors
- 👤 Anthony V Weasler
- 👤 Bennett B Reak
Bibliographic Details
Claims Analysis
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |