发明名称 Electric wheeled apparatus powered by battery packs
摘要 An electric wheeled apparatus comprises a main body, a drive wheel supported by the main body in a rotatable manner, an electric motor configured to apply torque to the drive wheel, a battery holder configured to removably receive a plurality of battery packs, and a circuit unit configured to electrically connect one or more battery packs attached to the battery holder to the motor regardless of a number of battery packs attached to the battery holder.
申请公布号 US8490732(B2) 申请公布日期 2013.07.23
申请号 US201113094238 申请日期 2011.04.26
申请人 SUGIMOTO MANABU;KUMAGAI RYUNOSUKE;KAWAI KENICHI;MAKITA CORPORATION 发明人 SUGIMOTO MANABU;KUMAGAI RYUNOSUKE;KAWAI KENICHI
分类号 B62M6/40 主分类号 B62M6/40
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