| 摘要 |
1,252,889. Universal joints. BOOTHBY TECHNICAL DEVELOPMENTS Ltd. 21 Jan., 1969 [26 Jan., 1968], No. 4134/68. Heading F2U. A universal joint consists of a sleeve 2 rigidly secured to the driving shaft 8 and formed with radial recesses 4 lined with cushioning material 19 such as rubber, the recesses being engaged by rollers 18 at the ends of the arms 17 of a spider secured to the driven shaft 13. The members are centred by a ball-and-socket joint 12 provided with a stub shaft 11 slidable in a longitudinal bore in shaft 8 to permit relative axial movement of shafts 8, 13. In a modification, Fig. 3 (not shown), the ball joint is movable along an axial stub shaft (22) integral with sleeve 2. |
