| 摘要 |
FIELD: transport.SUBSTANCE: combined wheel consists of two rows of small wheels a staggered at wheel rim. Small wheels are arranged at rim-ring with bushes for small wheel axles to be fitted therein. Rim-ring is driven by pin engagement of rim-ring bushes with gears fitted on axles of inner wheels rolling on rim-ring inner rib.EFFECT: simple manufacture, assembly and operation.1 dwg |
