LEVER-TYPE FORCE CONVERTER Russian patent published in 2003 - IPC

FIELD: mechanical engineering; mechanisms of presses creating considerable forces. SUBSTANCE: proposed device includes crank linked with connecting rod which is engageable with slide block moving relative to fixed support. Device includes also tetragonal link connected with pressure slide block by mans of auxiliary connecting rod. Tetragonal link is supported by rocker arm and connected with crank and connecting rod by mans of rods. Tetragonal link, crank, auxiliary connecting rod and rods connecting the tetragonal link with crank and auxiliary connecting rod are so assembled that form closed changeable pentagon. EFFECT: reduction of travel of pressure slide block. 1 dwg