PULLER Russian patent published in 1997 - IPC

FIELD: mechanical engineering; hand tools used for dismantling cylindrical parts and parts located in hard-to-get-at places in locomotive depots. SUBSTANCE: puller has cross-piece with central hole where thrust puller screw with bearing pivot is located, position retainer and screw limiter. Thrust grips are diametrically located on either side of puller screw each of which is made in form of split collet provided with thrust rod with end limiter to avoid spontaneous closing of tabs and circular thrust projection engageable with tabs of collet. L-shaped tabs are provided with circular projection over outer contour to be engageable with end portion of bush. EFFECT: enhanced reliability. 2 cl