Fastening element, washer and fastening means therefrom
US7326017B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2005 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Mar 17, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B41/002
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a fastening means (10; 110) consisting of a fastening element (11; 111) and a washer (20; 120), the washer (20; 120) being held on the fastening element (11; 111) in a rotatable and captive manner. Furthermore, the subject matter of the invention is such a fastening element (11; 111) which has at one end a bearing surface (14) for a washer (20; 120) held on the fastening element (11; 111) in a rotatable and captive manner and has an encircling undercut (13; 113) at the end facing its bearing surface (14). Finally, the subject matter of the invention is a washer (20; 120) having a contact surface (21) for the bearing surface (14) of a fastening element (11; 111), at least two axially extending retaining tabs (23; 123) being formed on the contact surface (21). The retaining tabs (23; 123) engage in the undercut (13; 113).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.