Elastically compressible conical lock washer
US5056975A · kind A · utility
27Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Apr 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/916
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A washer for use in fastening two members by a bolt is disclosed herein. The washer comprises an elastic body disposed between a head of the bolt and a seat surface corresponding to a surface of one member of the members. The body has a hole to allow for passage of a shank of the bolt. At least one projection is provided on a surface of the body facing the seat surface for engaging with the seat surface. The surface of the projection contacting with the seat surface is formed in a smooth arc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.