| 摘要 |
devices ensuring normal operation of machines. SUBSTANCE: coupling unit has friction clutch and control facilities. Friction clutch has case 2 accommodating hold-down strip 3, plate spring 4, uncoupling member 22, and friction straps 7 whose position, considering their wear, is adjusted by means of springs; the latter turn adjusting rings 17 with wedge-shaped slopes 19. Coupling force is applied to turn center 12 of plate spring 4. EFFECT: improved reliability and reduced manufacturing cost. 117 cl, 51 dwg
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