Self-adjusting traction-altering attachment device for footwear
US5921005A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1998 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Apr 7, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43C15/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A footwear attachment device for releasable mounting on primary footwear, e.g., a boot or shoe, to provide enhanced traction. The primary footwear has an upper including a toe portion and a heel portion, a sole including a fore-foot portion and a heel portion. The attachment device comprising an integral member having a mounting ring and plural stretchable connecting webs, extending between respective portions of the ring. The attachment device also includes a forefoot pad assembly and a heel pad assembly. Each pad assembly includes a generally planar base pad and a generally planar a cover pad. Each base pad includes a recess for receipt of a respective one of the connecting webs. Each cover pad is arranged to be secured over an associated base pad with the connecting web interposed therebetween and stretchable in the recess. Each base pad includes a ground engaging surface. Each cover pad includes an inner surface. The ring is stretchable to enable it to encircle the upper of the primary footwear to releasably mount it, so that the inner surface of one of the pad assemblies is engagement with the forefoot portion of the sole of the primary footwear, and the inner surface of the o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.