| 摘要 |
1,175,785. Ball and socket joint A. EHRENREICH & CIE. 16 July, 1968 [14 Sept., 1967], No. 33793/68. Heading E2F. A ball and socket joint has a ball pivot 2 mounted in two ball cups 3 and 4 arranged in a housing 1 closed by a removable cover 6. The cup 4 is resiliently pressed against 2 by a spring 5. The housing 1 has a smooth walled surface and the cover is provided with a flange having inwardly bent sharp edged retaining lugs 6b. |
