| 摘要 |
<p>A substitute (71, 91, 151) for a lubricated metal-on-metal bushing (61, 81, 117) for mounting the spring eye (5, 7, 105, 107) of a heavy over-the-road truck includes a sleeve part (73, 93, 153) and a pin (75, 95, 155), the pin having bonded to it a polyurethane elastomer (78, 98, 157) with a Shore hardness greater than 60D. Similar bushings (321, 233, 235) are substituted for other metal-on-metal bushings (309, 313, 211, 225) in the suspensions and brakes of heavy over-the-road vehicles.</p> |
