Conical spring washer
US4103725A · kind A · utility
33Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1976 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Oct 27, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/957
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A conical spring washer is constituted by a conical spring washer body, a plurality of spaced lock pawls extending downward from the lower contacting surface of the body, and each of the lock pawls has a gradually sloped face in the tightening direction of a nut or the head of a bolt and a sharply sloped face in the loosening direction of the nut or bolt head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.