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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/87042 ; 280/1128 ; 280/87043|
|발명자 / 주소||
|인용정보||피인용 횟수 : 49 인용 특허 : 0|
A skate board includes a beam including two hubs disposed on the end portions. Two axles each includes two wheels and each includes a shaft extended upward through the hubs. A pair of foot supports are secured on top of the shafts and rotated in concert with the shafts, and each includes two curved grooves. A stop bolt is engaged in each of the curved grooves for engaging with the beam so as to limit rotational movement of the foot supports. Another foot support is force-fittedly supported on the middle portion of the beam.
A skate board combination comprising: a beam including two ends each having a hub provided thereon, and including a middle portion, a pair of axles each including wheel means secured thereto and each including a shaft extended upward therefrom and engaged upward through said hubs so as to allow free rotation in said hubs, a pair of first foot supports secured on top of said shafts respectively and rotated in concert with said shafts, said first foot supports each including at least one groove formed therein, stop means engaged in said groove for engaging...