SUSPENSION Russian patent published in 1999 - IPC

FIELD: securing heating surfaces; boiler manufacture. SUBSTANCE: suspension has rod passed through hole in load-bearing plate and secured to it by means of nut. Rod consists of two parts: upper part 4 having thread and lower part 5; ends of both parts are brought into bush and are welded to it. Part of rod 4 is made form stronger material as compared with part 5. According to other version, diameter of part 5 is lesser than that of part 4. EFFECT: increased carrying capacity of rod; reduced contact stresses in intermediate member. 3 cl, 3 dwg