| 摘要 |
PROBLEM TO BE SOLVED: To provide a differential caster capable of improving beautiful appearance and preventing hindrance to driving. SOLUTION: This differential caster 1 is constituted of a mounting plate 5; a supporting shaft 8 supported on the mounting plate 5 free to rotate; a pair of electric motors 12 provided on one end of the supporting shaft 8 and; a pair of wheels 35 respectively linked to output shafts 17 of a pair of the electric motors 12. Hollow parts 9a, 10a are provided on the supporting shaft 8 and a power supply cable 30 connected to the electric motor 12 is arranged and wired on these hollow parts 9a, 10a. COPYRIGHT: (C)2008,JPO&INPIT
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