SCREW MECHANISM Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: nut is made up as two nut parts 3 and 4. The mechanism is provided with cage 6 with guide grooves interposed between the nut and intermediate bushing 5 coaxially to the longitudinal axis of the bushing, the grooves being parallel to the running screw, axle 8 rigidly secured to the cage, member 9 for moving away and bringing together the nut parts, and pins 11 and 12 one ends of which are received in the curved grooves of the member and the other ones in the guide grooves of the cage. The nut parts are arranged inside the cage. EFFECT: improved design. 4 dwg