Universal test fixture for circuit packs
US6147485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Feb 23, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R1/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A universal test fixture assembly for circuit packs includes a test fixture body, a top guide plate and a bottom guide plate. Each guide plate includes tracks that extend from a front end to a second end of the guide plates and further includes an integrally formed latching channel that runs perpendicular to the tracks. The top guide plate and bottom guide plate are mounted in an opposing and matching relationship such that the circuit pack slidably engages one of the tracks in the top guide plate and a corresponding track in the bottom guide plate and are moveable relative to one another to accommodate circuit packs of varying sizes. The guide plates include tabs which mate with corresponding slots on the test fixture body to prevent misalignment and reduce tolerance build-ups. A second pair of guide plates are attachable to form a two-tiered structure such that two different circuit pack sizes can be accommodated in the same test fixture. The test fixture assembly uses offset mounting ears so that multiple test fixtures can be stacked together in various combinations and such that a single backplane can be used that spans all of the connected test fixtures. A polycarbonate cover …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.