摘要 |
FIELD: transport.SUBSTANCE: proposed carrier comprises frame and wheels, two interconnected flutes arranged on both sides of said frame to turn about carriage, two rollers displacing in appropriate flute and turning on axle with slide block flange. Axle with pedal flange is secured to that slide block. Slide block can displace in the groove of block fitted on carriage axle.EFFECT: uniform wear of wheels.3 cl, 9 dwg |