HONING HEAD Russian patent published in 1998 - IPC

FIELD: finish working of precise openings. SUBSTANCE: honing head includes body 1, carrying shoes 2 with abrasive blocks 3, unclamping members mounted with possibility of engaging with shoes 2, unclamping rod 5 and mechanism for axial motion of abrasive blocks 3. Said mechanism is in the form of sleeve 6 with radial openings in which rotary strips 7 are mounted by means of pins. One ends of said strips enter grooves of shoes 3, other ends - grooves of unclamping rod 5. Said strips are mounted on pins with possibility of rotation and imparting to shoes 2 with blocks 3 axial motion directed upwards at simultaneous axial motion of rod 5 downwards. EFFECT: improved design. 1 dwg