Blind fastener
US9267524B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2009 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Jul 15, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B19/1054
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A blind fastener comprising a body (22) and a stem (26), wherein the fastener is installed in a workpiece by applying a pulling force to the bodycausing a bulb to form at a radially expandable section of the body, the stem of the fastener comprising two waisted regions (38, 40) of reduced diameter, such that when the body of the fastener is crimped after assembly with the stem, the body is caused to form a barrel shape, whereby clearance between the body and stem is minimized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.