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| Number | Title | Issue Date |
| 5665919 | High frequency vibration test fixture with hydraulic servo valve and piston actuator A vibration test fixture includes a reciprocating slip plate carrying an article subjected to vibration and shock testing. A pair of opposed, spaced apart low oil pressure hydrostatic linear bearings support the slip plate during reciprocating single-axis... | 09/09/1997 |
| 5544528 | High frequency vibration test fixture with hydraulic servo valve and piston actuator A vibration test fixture includes a reciprocating slip plate carrying an article subjected to vibration and shock testing. A pair of opposed, spaced apart low oil pressure hydrostatic linear bearings support the slip plate during reciprocating single-axis... | 08/13/1996 |
| 5343752 | High frequency vibration test fixture with hydraulic servo valve and piston actuator A vibration test fixture includes a reciprocating slip plate carrying an article subjected to vibration and shock testing. A pair of opposed, spaced apart low oil pressure hydrostatic linear bearings support the slip plate during reciprocating single-axis... | 09/06/1994 |
| 4996881 | Vibration test fixture A vibration test fixture includes a reciprocating slip table carrying an article subjected to vibration and shock testing. The fixture includes low oil pressure hydrostatic linear bearings supporting the slip plate during single-axis linear travel on the ... | 03/05/1991 |
| 4635764 | Damped reaction base for vibration tester A reaction base for supporting a mechanical vibrator used to shake test components, the base having parallel spaced beams clamped between top and bottom plates. End plates enclose the spaces between the beams, the spaces being filled with dry particulate ... | 01/13/1987 |