Patent ID: 8850898

Claim:
A test fixture for applying a prescribed displacement to a material, the test fixture comprising: a first portion including a first material engaging feature and a first support, the first material engaging feature having a supported end mounted to the first support, the first material engaging feature having a free end spaced from the supported end of the first material engaging feature, the first material engaging feature adapted to engage the material between the supported end and the free end of the first material engaging feature at a first location on the material; a second portion including a second material engaging feature, a third material engaging feature, and a second support, the second and the third material engaging features each having a supported end mounted to the second support, the second and the third material engaging features spaced from each other by a distance, the second and the third material engaging features each having a free end spaced from the supported ends of the second and the third material engaging features, the second material engaging feature adapted to engage the material between the supported end and the free end of the second material engaging feature at a second location on the material, and the third material engaging feature adapted to engage the material between the supported end and the free end of the third material engaging feature at a third location on the material; and an actuator operably connected between the first support of the first portion and the second support of the second portion, the actuator adapted to configure a relative position between the first material engaging feature and the second and third material engaging features.