Fixture for test cards of testing machine
US6828777B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2003 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Aug 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/2808
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fixture for test cards of testing machine includes an actuator (1), a self-adjusting unit (3), and a testing unit (5). The self-adjusting unit includes a first connecting plate (30) and a second connecting plate (32). The first connecting plate is attached to the actuator. A first through hole (301) is defined in each corner of the first connecting plate. A second through hole (321) is defined in each corner of the second connecting plate. A plurality of coil springs (36) is received in the first and second through holes respectively. A plurality of bolts (34) is extended through the second through holes and the coil springs, and engages in the first through holes respectively. The bolts are movable relative to the second connecting plate. The testing unit is attached to the second connecting plate, and adapted for receiving test cards (90).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.