TY CONF TI THE INFLUENCE OF THE LENGTHS OF THE LINKS OF THE HINGED FOUR-LINK ON THE ANGLE OF HEIGHT, RETURN ANGLE AND RELATIVE DISPLACEMENT OF LINKS CONNECTED BY THE ELASTIC ELEMENT DURING THE OUTPUT LINK STABILITY KW contact mechanics of engineering surfaces KW friction and wear of interfaces KW tribotechnical materials science KW mechanics and control processes KW kinematics KW dynamics KW strength and reliability of machines and structural elements JO PROBLEMS OF APPLIED MECHANICS AU Balabina, T.A. AU Karelina , .. AU Mamaev, A.N. PY 2024 PB Bryansk State Technical University