FLOATING APPARATUS FOR ROLLING-OUT NON-RIGID SCREWS Russian patent published in 2006 - IPC B24B39/00 

FIELD: plastic metal working, possibly surface plastic deforming of screws of screw pumps.

SUBSTANCE: apparatus includes body designed for mounting in support of machine tool and holder with deforming members jointly secured to body. In order to enhance efficiency and quality of working, apparatus is provided with two discs having central openings. One of said discs is rigidly secured to body, other disc is rigidly secured to end of first disc by means of pacing sleeves and screws. Holder carrying deforming members is freely mounted between discs with use of three tension springs. Holder includes rings inserted in its end grooves for limiting in axial direction motion of deforming members freely arranged in recess of holder opening. In order to prevent rotation of holder, it is provided with handle arranged in periphery and supported by means of roller with pivot mounted between discs. Said tension springs are mounted in spacing sleeves.

EFFECT: enhanced efficiency and quality of working.

5 dwg, 1 ex