发明名称 Castering wheels for roller skates
摘要 An improved skateboard is provided and consists of a deck having a tail and a nose. A pair of rear wheels fixed against swivelling are attached to underside of the deck at the tail which do not swivel. A pair of front casters are attached to underside of the deck at the nose which swivel together at forty five degrees in either direction for increased maneuverability of the skateboard. In a second embodiment the pair of front casters are replaced with one caster which can swivel three hundred and sixty degree in either direction.
申请公布号 US5026080(A) 申请公布日期 1991.06.25
申请号 US19900502417 申请日期 1990.03.30
申请人 STEFFL, JOHN C.;SPECTOR, GEORGE 发明人 STEFFL, JOHN C.;SPECTOR, GEORGE
分类号 A63C17/01;A63C17/22 主分类号 A63C17/01
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