BOLSTER SUSPENSION OF DIESEL LOCOMOTIVE TWO-AXLE BOGIE Russian patent published in 2002 - IPC

FIELD: railway transport. SUBSTANCE: proposed bolster suspension of two-axle bogie has vertical side rods and coil springs, pivot with fitted-on cross bar arranged under bogie frame, and two side tie-rods. pivot is secured on bogie frame. Cross bar is suspended from side rods on bogie frame and is connected by inclined side tie-rods to body frame. Body frame rests on coil springs installed on end parts of cross bar. EFFECT: improved dynamic properties when negotiating curvatures of track, increased traction at developing of traction force of two-axle bogie. 3 dwg