FIGURED ZIGZAG SPRING Russian patent published in 1997 - IPC

FIELD: mechanical engineering; domestic appliances. SUBSTANCE: figured zigzag spring has varying depth and pitch reducing towards periphery. It contains -shaped sections and bearing sections located coaxially and connected with end sections. Central portion of spring is formed by identical opposite -shaped sections with adapter section between them; bearing sections are made in form of circular latches. Besides that adapter section of spring is bent in plane perpendicular to its axis forming stage between central sections whose height is no less than their thickness. Spring may be made from semifinished item - rod with thickness reduced towards circular latches. EFFECT: enhanced reliability. 3 cl, 4 dwg