Dual-hinged spring
US8720871B2 · kind B2 · utility
0Cited by
14References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | May 12, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F1/26
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A dual-hinged spring assembly. One assembly comprises two elastomeric arcs including an upper arc having downward ends, and a lower arc having upward ends, the upward ends of the lower arc being movably connected to the downward ends of the upper arc, thereby forming an ovoid spring. Further, when the lower arc is secured against a supporting surface, pressure against the upper arc causes the dual-hinge spring to compress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.