Circular plate spring
US5915677A · kind A · utility
9Cited by
17References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | May 29, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2490/20
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A circular plate spring for use in a flexible pipe unit comprises an annular base portion constructed of a spring metal plate and a plurality of equally spaced resilient support portions integral with the annular base portion. The resilient support portions are raised from the annular base portion so that each support portion is inclined relative to an imaginary plane on which the annular base portion lies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.