Self-aligning double-ball joint
Abstract
Abstract A SELF-ALIGNING, DOUBLE-BALL JOINT INTERCONNECTING A PAIR OF ACTUATOR RODS INCLUDING A CLEVIS ON THE END OF ONE ROD IN THE OPPOSITE LEGS OF WHICH ARE CONCAVE BEARING RINGS IN WHICH ARE MOUNTED SPLIT SEGMENTS OF A BEARING BALL HAVING CENTRAL OPENINGS THERETHROUGH. THE SECOND ACTUATOR ROD HAS A TORQUE ON ITS END PROVIDING AN ENLARGED FLAT EYE WHICH IS MOUNTED IN THE CLEVIS AND HAS A BEARING RING PRESSED, SWAGED OR OTHERWISE RIGIDLY SECURED THEREIN, THE RING PRESENTING A CONCAVE SURFACE AND BEING SWAGED ABOUT A CENTRAL BEARING BALL THEREIN. THE BEARING BALL HAS A CENTRAL OPENING THERETHROUGH AND THE BALL AND BALL SEGMENTS ARE RIGIDLY CONNECTED TOGETHER BY A THROUGH BOLT, WITH SPACES PROVIDED BETWEEN THE CLEVIS AND THE TONGUE THEREIN TO PERMIT FREE RELATIVE TWISTING, AS WELL AS ROTATIONAL MOVEMENT. THE DISCLOSURE INCLUDES THE MOUNTING OF THE CLEVIS WITHIN A SECOND CLEVIS CONNECTED TO A PART TO BE OPERATED, WITH THE THROUGH BOLT ALSO PASSING THROUGH THE LAST-MENTIONED CLEVIS. THE CLEVISES ARE ALSO SPACED APART TO PERMIT RELATIVE TWISTING MOVEMENT THEREBETWEEN.
Inventors
- 👤 Edward J Szkaradek
- 👤 Donald L Nepp
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |