Blind fastener
US10267347B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2017 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Aug 13, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B19/1072
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a fastener that includes a nut with a threaded bore that includes a head on one end, a cylindrical outer surface and a tapered ramp on the other end, a bolt that includes a head, a threaded portion engaged with the threaded bore, a recess next to the bolt head and an enlarged shank between the threads and the recess, where the outer diameter of the recess is smaller than a major diameter of the threaded bore of the nut and where an outer diameter of the shank is larger than a major diameter of the bolt threads, and a sleeve with a unthreaded bore positioned between the tapered ramp and the bolt head with one end crimped into the recess such that the internal diameter of the crimped sleeve bore is smaller than the major diameter of the threads on the bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.