| 摘要 |
PCT No. PCT/SE84/00049 Sec. 371 Date Sep. 19, 1984 Sec. 102(e) Date Sep. 19, 1984 PCT Filed Feb. 10, 1984 PCT Pub. No. WO84/03129 PCT Pub. Date Aug. 16, 1984.A fluid pressure actuator (1) having two pistons (5,6) and a associated toothed rack portions (7,8) for activating an actuating member (10) via a toothed wheel (9) enables the piston positions to be adjusted, both in the full-strokes position of the actuating member (10) and in its zero-position. To this end, one end-wall (4) of the actuator has provided therein an adjusting screw (16) which engages the one piston (16). The piston, in turn, is provided with an adjusting screw (17) which engages the rack portion (7) of the opposing piston (5). This latter adjusting screw (17) can be reached through a plugged entry port (4d) in the end-wall (4).
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