Spherical bearing and method of making the same
Abstract
Abstract A SPHERICAL BEARING IS DESCRIBED WHEREIN A BALL MEMBER IS RETAINED AND SUPPORTED BY A HARDENED SPHERICAL SEAT, THE LATTER BEING DEFINED BY AN INSERT BUSHING THAT IS INTEGRATED INOT A SOCKET STRUCTURE. THE BUSHING WITH A TRUNCATED BEARING BALL NESTED BY THE INNER BUSHING SURFACE IS FUSION WELDED AROUND THE OUTER PERIPHERY OF THE BUSHING TO A HOUSING TO FORM AN INTEGRAL LOAD-CARRYING PART THEREOF. THE FUSION WELD ALSO EXTENDS A SUBSTANTIAL AXIAL DISTANCE OR DEPTH AND IS PREFERABLY MADE WITH AN ENERGIZED BEAM SUCH AS A BEAM OF ELEC- TRONS. IN THE FORMATION OF A SPHERICAL BEARING FOR A ROD END, A PAIR OF ANNULAR BUSHINGS IS FORMED WITH EACH BUSHING WELDED TO THE ROD END HOUSING TO FORM AN INTEGRAL LOAD-CARRYING PART OF THE ROD END.
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Bibliographic Details
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| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |