MECHANISM TO CONVERT ROTATION INTO VERTICAL TRANSLATIONAL MOTION Russian patent published in 2003 - IPC

FIELD: load-lifting machinery. SUBSTANCE: invention is designed for vertical lifting-lowering of load to definite height. Proposed mechanism comprises frame on which shaft is installed in bearings. Shaft is formed by several cylindrical shaft. Eccentrics with holes are mounted on shaft. Centers of eccentric holes are located on axis of shaft rotation. Eccentrics are furnished with teeth for roller chain. Each toothed eccentric is provided with sliding block installed for vertical movement, being coupled with actuating link. Flexible ties are placed between sliding block and mechanism frame. EFFECT: simplified design, improved efficiency in operation. 7 dwg