Apparatus for split sleeve and tubular bushing cold expansion
US5433100A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1993 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Nov 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4994
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A nosepiece apparatus for use in conjunction with a pull gun for prestressing fastener holes, or the like, in a workpiece, the nosepiece including an adapter (12) having a central passageway (19) therethrough and a rear end (20) adapted to be mounted to a pull gun. The forward end of the adapter (12) has a threaded connection for coupling the adapter (12) to an extension piece (14). The extension piece (14) is an elongated, tubular extension having threaded connections at both ends. A sleeve retainer (16) is provided having a threaded connection at its rearward end for securing the sleeve retainer (16) to the extension. The forward end of the sleeve retainer (16) is formed by a multiple of annularly-spaced, alternate splits (56) and fingers (58) extending substantially axially from the rearward end of the sleeve retainer (16). The threaded connection of the sleeve retainer (16) is adapted not only to be threadably coupled to the extension piece (14), but also to be directly coupled to the adapter ( 12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.