专利名称：Tandem-wheeled riding device
excel表
发明人：Johnnie L. Smith
申请号：US10447902
小学生古诗配画
申请日：20030529殷忧启圣
公开号：US20040239065A1
公开日：
20041202
专利内容由知识产权出版社提供
专利附图：
摘要：A tandem-wheeled riding device includes first and cond riding wheel
辅导员助理
asmblies cured to a bottom surface of a platform for supporting a rider. At least one of the riding wheel asmblies is swivelly coupled to the platform to provide aggressive turning agility to the device. The device further includes at least two outrigger wheel消力
花自芳
asmblies coupled to the platform and biad toward the riding surface to improve stability of the riding device during sharp turns.
申请人：SMITH JOHNNIE L.
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数字与筹码>高招办
