SPRING Russian patent published in 2002 - IPC

FIELD: mechanization of cargo-hoisting jobs; springs for rack jacks. SUBSTANCE: spring made in form of shaped member with bends includes fastening members fitted at its upper and lower ends. One fastening member has form of ring and other member is O-shaped. Ratio of length of upper fastening member to distance between them corresponds to the following range of magnitudes: , where a is length of fastening member found on upper end of spring and b is distance between fastening members. EFFECT: enhanced reliability of spring. 1 dwg