| 摘要 |
1517901 Ball-and-socket joints A EHRENREICH & CIE 30 March 1977 [3 July 1976] 13450/77 Heading E2F [Also in Division B3] A ball joint comprises a ball socket 6 and ball pin 7 in a housing comprising a tube upact to hold a flange 2, crimped over at one end and shaped at its other end 9 onto the ball head or a bearing on the ball head by ram 8. A pin may protrude from both sides of the housing. There may be a sheet metal lid between ball socket 6 and the lower shoulder. |
