Resilient unit
US11680617B2 · kind B2 · utility
1Cited by
13References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 2012 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Feb 9, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49613
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A resilient unit suitable for providing comfort, convenience, support or protection is described. The unit typically takes the form of a pad comprising a plurality of pocketed coil springs arranged in an array, each spring being substantially encased in an individual pocket, and the unit being compressible in the axial direction of the springs, wherein each spring comprises a number of coils, and in respect of at least some springs the coils at opposed ends are of different diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.