| LOCKHEED MARTIN CORPORATION | 3538 |
| A SPRING MADE OF FLAT OR PREBENT STRIP METAL. IT IS DESIGNED TO APPLY FORCE IN ONE DIRECTION WHEN DEFLECTED IN THE OPPOSITE DIRECTION. IT MUST BE CAPABLE OF RECOVERING SIZE OR SHAPE AFTER DEFORMATION. EXCLUDES SPRING (1), LEAF; AND SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE COUNTERACTED BY CHANGES IN TEMPERATURE). |
