Blind fastener forming a blind head with a large effective area
US4900205A · kind A · utility
34Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Aug 15, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B19/1063
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A blind fastener for fastening workpieces of a crushable or composite material and which provides a blind head having a large bearing area against the adjacent blind side of the workpieces and having a main sleeve and an expandable sleeve with the expandable sleeve having a reduced section or secondary portion at its leading end adapted to be severed from the remainder or primary portion of the expandable sleeve at a preselected axial or column load at which buckling has been initiated with the severed reduced section portion being substantially folded or collapsed to form the blind head with a large bearing area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.