FIELD: actuating working members. SUBSTANCE: pneumatic cylinder has working rod with piston mounted in sectional housing having cylindrical sleeve and end covers; each cover has hole for pipe union for delivery or discharge of working medium; mounted inside one of covers is guide bush for motion of rod; each end cover is provided with centering projection on side of attachment of sleeve; outer surface of said projection has form of truncated cone; diameter of base of this cone exceeds inner diameter of sleeve; outer surface of sleeve is provided with circular grooves at both ends; outer surface of guide bush has form of truncated cone; each end cover is provided with circular projection on side of attachment of sleeve which is rolled in respective groove of sleeve. EFFECT: enhanced reliability and simplified construction. 3 cl, 5 dwg
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