| 摘要 |
<p>Between two axial force transmission coupling pairs (22, 24) having each a ball socket (22) and a spherical segment (24) housed herein, there is arranged a pair of torque transmission couplings (26, 28) comprised of an inner toothed ring (26) and of an outer curved toothing (28). Both coupling pairs (22, 24; 26, 28) are enclosed within a housing (20) having cavities (40, 42, 44) filled at least partially with a liquid lubricant. Between the torque transmission coupling pair (26, 28) and each of the two axial force transmission coupling pairs (22, 24) there is provided an additional ring-shaped lubricant chamber (46) of which the inner diameter (D1) is at the most as large as the diameter (D2) of the smallest circle starting from the spherical segment (24). Thereby, the lubrication of the axial force transmission coupling pairs (22, 24) is improved.</p> |
