DEVICE FOR LOCKING SWITCH MOVABLE PARTS IN END POSITIONS Russian patent published in 2002 - IPC

FIELD: railway transport; switches. SUBSTANCE: invention relates to devices for locking switch point locking mechanisms in end positions. Two parts axially movable relative to one another are installed for displacement to position in which they are connected with power locking. Locking members in form of balls in erect with axially movable parts and with outer tube. Balls are arranged in holes of tube between tie-rod and ring made up of segments for travelling radially to locking position in cavity or inner ring groove of outer tube. Segments (or ring) are spring loaded and are held in position with outer diameter smaller then or equal to outer diameter of tube installed in outer tube getting into peripheral groove of tube. EFFECT: possibility of taking up excessively high locking forces. 14 cl, 9 dwg