Rivet fastener with drilling bit
US5183357A · kind A · utility
43Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1991 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Sep 13, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B19/1045
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rivet fastener includes a threaded spindle having at a free end thereof a drill bit and an external casing having a stop flange and a sleeve portion with an internal thread corresponding to that of the spindle and receiving the spindle. The casing has a plurality of set-breaking grooves extending parallel to the axis of the casing. The threads and the drill bit are formed such that the threads run in a direction opposite to that of a drilling rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.