VEHICLE HINGE JOINT UNIT (DESIGN VERSIONS) AND TWIN TAPER ROLLER BEARING UNIT Russian patent published in 1999 - IPC

FIELD: transport engineering. SUBSTANCE: hinge joint unit of truck with semitrailer has front and rear parts of frame connected at pair of vertically coaxial hinge joints. Each hinge joint includes similar roller bearing units secured to front part of frame and provided with rotary projecting journal. Rear part of frame has recesses to provide engagement of journals and covers for holding the journals. Journal of each bearing unit has stepped pin with first support cone located at step, and second support cone arranged at a distance from first cone. Spacer ring getting behind the pin is displaced towards second by means of end face cover secured to pin end face. pack of shims between end face cover and end face of pin limits the value by which inter-cone space can be narrowed for limiting and checking bearing unit preload. EFFECT: provision of easy adjustment and replacement of hinge joint unit. 11 cl, 5 dwg