| 摘要 |
914,538. Pistons. ALLINQUANT, F. S. Dec. 13, 1960 [Dec. 16, 1959], No. 42877/60. Class 122 (1). In a piston-and-cylinder assembly for use in an oleo-pneumatic suspension system, the piston 1 is packed by a sealing-ring 3 and prevented from contacting the cylinder wall 2 by plastic bearing-rings 12, 13 fitted on its periphery. The rings 12, 13 may be of fluorinated plastic material, e.g. P.T.F.E., and may be either split or continuous. The piston-rod 8 has a threaded end 7 screwed into a rubber block 6 located in the interior of the piston. |
