Ultrasonic insert stud and method of assembly
US5199837A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1991 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Oct 16, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2001/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A stud for ultrasonic insertion into a strip of material generally comprises a shank having a head portion and an entering portion on opposite ends thereof. The head portion is ultrasonically insertable into the strip, and the entering portion is insertable into an aperture in a workpiece. The head portion comprises a positive stop means for locating a level of insertion of the head portion into the strip. Means for providing pull out resistance is disposed on the head portion above the positive stop means, and means for providing torsional resistance is disposed on the head portion between the positive stop means and the means for providing pull out resistance. A body portion is located on the head portion above the means for providing pull out resistance. A unique method is also provided for ultrasonically inserting the stud into the strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.