TOOL FOR PRESS-RIVETING Russian patent published in 1996 - IPC

FIELD: production of tools for assembly and riveting operations used mainly for group riveting. SUBSTANCE: one end of bush, free end of which has inner bead, is fixed on tool shank. Riveting die with shaping surface is mounted inside the bush. Located in bush riveting die end has flange, butt surface of which has spherical shape and bulge. Between riveting die and tool shank in bush there is insert, conjugated with riveting die surface of which has matching spherical shape and hole located along axis of tool. Bulge of riveting die and embracing it shock- absorbing member are located in the hole. As a version, shaping surface of riveting die is made spherical with center located in one point with center of spherical surface of flange. EFFECT: improved design. 3 cl, 3 dwg