| 摘要 |
<p>748,115. Ball joints. GENERAL MOTORS CORPORATION. May 5, 1954 [June 10, 1953], No. 13042/54. Class 65 (2). [Also in Group XXIX] In a vehicle power-steering mechanism, movement of a crank-arm 42 connected to the usual worm-and-nut gear is communicated to a longitudinally-moving control valve by a ball pivot which is held against a relatively fixed plate 126 by opposed wedges 140, 142. Locating pins 148, 150 prevent relative rotation between the wedges, and wedge 140 has a loading spring 146.</p> |
