发明名称 Roller skate apparatus
摘要 An improved roller skate apparatus is disclosed and preferably includes a bifurcated truck assembly that is interlockingly and removably attached to a sole plate, as well as a quick-change wheel and axle apparatus. At least in a two-wheeled version of the roller skate apparatus, the wheels preferably include a generally flat horizontal central portion on the ground-engaging wheel periphery in order to provide greater ease and stability in two-wheeled skating. Various adjustable and quick-change toe stop embodiments are also enclosed.
申请公布号 US4666168(A) 申请公布日期 1987.05.19
申请号 US19840599966 申请日期 1984.04.12
申请人 ROLLER BARONS, INC. 发明人 HAMILL, STEVE;KNIGHT, ARTHUR A.
分类号 A63C17/06;A63C17/14;A63C17/18;A63C17/22;(IPC1-7):A63C17/04 主分类号 A63C17/06
代理机构 代理人
主权项
地址