APPARATUS FOR CLAMPING BLANK Russian patent published in 1998 - IPC

FIELD: machine tool manufacture, namely apparatuses for clamping and securing blanks being worked. SUBSTANCE: apparatus includes body with prismatic recess for placing blank and V-shaped groove. Clamping member, bevel-teeth vertical and horizontal racks are arranged in said body and they are mutually joined. V-shaped traverse bar is arranged in said V-shaped groove. Said racks are mounted with possibility of reciprocation motion. Horizontal racks have teeth inclined relative to their lengthwise axes by angle 20-45 degrees for clamping blanks with maximum effort. EFFECT: improved design, increased reliability. 4 dwg