Spring-loaded snap-type shoe
US5517769A · kind A · utility
Inventor
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/18
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A spring-loaded snap-type shoe including a compressible flexible sole having a bottom wall, a top wall, and a peripheral side wall extended therebetween to define a hollow interior, the sole additionally having a toe section, a heel section, and an intermediate section extended therebetween including a bendable ball portion and an arch portion; an elastic back plate disposed within the interior of the sole, the back plate having a rear end coupled to the side wall of the sole at the heel section thereof, a front end with a hook formed thereon positioned at a location adjacent with the ball portion of the sole, and a curved intermediate part extended therebetween and positioned in contact with the top wall of the sole; and an elongated front plate disposed within the interior of the sole, the front plate having a front end coupled to the side wall of the sole at the toe section, a back end with a hook formed thereon positioned at a location above the hook of the back plate, and an intermediate part extended therebetween, and with the hooks snappedly fastenable and unfastenable while a wearer walks or runs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.