Combination of a screw member, a washer and a sleeve and also a method of producing such a combination
US7771149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2007 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Nov 2, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49948
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a combination of a screw member comprising a screw head, a threaded portion and a shank portion which is arranged between the screw head and the threaded portion and has an external diameter that is smaller than the external diameter of the threaded portion, a washer incorporating a passage opening for the screw member and a sleeve the internal diameter of which is greater than the external diameter of the threaded portion of the screw member, whereby said combination is producible in a simple manner but it is nevertheless ensured that the sleeve and the washer are held securely on the screw member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.