Roller shoes
US7497446B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 26, 2007 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Oct 18, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63C2203/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Roller shoes in which a roller is installed on a shoe base in a detachable manner comprises a plurality of roller installation grooves formed at the center of the shoe base, a roller axle support inserted into the roller installation grooves, wherein the roller is attached to the roller axle support by a magnetic force, a break mechanism formed at both ends of a middle portion of the front and utmost end of the rear of the shoe base, and a cover mounted in the roller installation grooves. A roller axle support groove formed at both ends of a U shape is inserted in the roller installation groove, and a roller installation part comprising the roller axle is inserted in the roller axle support groove for the roller to be installed in a detachable manner. The same structure of the roller installation part is formed in the middle portion of the front of the shoe base and the roller axle and the roller axle support of the roller installation part installed respectively at the front and rear of the shoe base are adamantly coupled by a magnetic force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.