| 摘要 |
1,067,998. Rotary joints; bearings. FMC CORPORATION. Aug. 4, 1964 [July 29, 1963], No. 22818/66. Divided out of 1,067,996. Headings F2A and F2G. A joint for conduits comprises outer and inner bearing races and a ball-retaining ring cage disposed therebetween and carrying balls in apertures at randomly-spaced intervals. The joint is fully described in the parent Specification. |
