| 摘要 |
<p>A pair of trunnion support fittings (2, 2) is installed on a cylinder tube (7), and the trunnion support fittings (2, 2) have main fittings (21) placed along vertical outer surfaces (15a, 15a) of the cylinder tube (7) and also have fastening fittings (22) connected to arm sections (25) of the main fittings (21) by screws (23). Installation projections (30) formed on the fastening fittings (22) are engaged with engagement grooves (17) formed in lateral outer surfaces (15b, 15b) of the cylinder tube (7). Also, particle layers (32) are formed on the trunnion support fittings (2, 2) and are in contact with the vertical outer surfaces (15a, 15a) and lateral outer surfaces (15b, 15b) of the cylinder tube (7).</p> |
