| 摘要 |
<p>1,123,520. Vehicle suspensions. DANKIN Inc. 14 July, 1967 [1 Aug., 1966], No. 32473/67. Heading B7D. [Also in Divisions F1 and F2] A trailer carrying a concrete pump (see Division F1) has pairs of road wheels 13 mounted on beams 15 pivoted at 116 on posts 117, semielliptical springs 119 being compressed between beams 15 and flanges 120 projecting from posts 117, to restrain pivoting movement of beams 15. Posts 117 are connected to piston rods 121 of hydraulic jacks 122, which are operated to lower the trailer body to the ground at a utility point and to raise the body for transporting. Vertical channels 118 on the trailer body slidably receive posts 117.</p> |
