| 摘要 |
PURPOSE: A roller skate board is provided to easily change the advancing direction of a main body even during advancing by distributing a weight load. CONSTITUTION: The roller skate board(1) which moves by generating equilibrium and a driving force by two sticks(ST) comprises: a rotary groove(13) of a predetermined rotary angle formed at one side of a main body(11); support frame(12) integrally projected; an insertion groove(14) formed at the other side thereof; a rotary roller(15) inserted into the rotary groove(13); a stationary roller(16) inserted into the insertion groove(14); and braking unit on the board.
|
