Roller skate shoes
US6536785B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Mar 1, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63C17/20
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A roller skate shoe includes a shoe base having two receiving cavities provided thereunder at a front portion and a rear portion of the shoe base respectively, a roller arrangement fittedly received in each receiving cavity including a supporting frame securely mounted on a ceiling of the receiving cavity having a supporting member extended downwardly, a T-shaped wheel frame including a vertical wheel arm rotatably mounted on the supporting member and a horizontal wheel axle for rotatably supporting two wheels at two ends thereof, and a resilient element for applying an urging pressure against the wheel frame so as to normally retain the wheel frame slid out of the receiving cavity, and a locker means for securely locking the wheel frame in a rotatably movable manner selectively between a folded position and an unfolded position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.