Sporting and exercising unit
US5205798A · kind A · utility
68Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 19, 1992 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Feb 19, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2210/50
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A foot receiving member has a spring member detachably attached to the bottom surface thereof. The spring member includes a top, arched, layer and a bottom, arched, layer and a strap disposed between the two arched layers. The arched layers are attached, at their ends, to a corresponding end of the strap in such a manner that the spring member will be automatically disassembled under the influence of an extraordinary lateral force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.