최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0821761 (1986-01-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
An improved 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 g
In a roller skate having a sole plate, a truck assembly for supporting said sole plate, and at least two wheels rotably mounted on the truck assembly, the improvement wherein said sole plate includes an interlock member having at least one undercut edge portion thereon, the truck assembly including
※ AI-Helper는 부적절한 답변을 할 수 있습니다.