Supporting washer
US10662995B2 · kind B2 · utility
0Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2018 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Nov 29, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16G3/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a washer having a generally circular shape and is used for supporting a screw head. The shank of the screw penetrates the central hole of the washer. When viewed from a planar perspective, the outer edges of the washer have a sinusoidal shape with depressions and elevations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.