| CPC G01N 3/08 (2013.01) [G01N 3/02 (2013.01)] | 15 Claims |

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1. A sample stretch test device, comprising:
a setup table;
grip modules arranged with regular intervals along an edge of a virtual arrangement circle around a center of the setup table and configured to grip a sample to be tested; and
grip driving modules coupled to the setup table and configured to slide the grip modules along normals of the virtual arrangement circle in a horizontal direction parallel with the sample,
wherein each of the grip modules comprises:
a grip base block coupled to the setup table;
a grip switching bracket rotatably coupled to the grip base block;
a grip pivot bracket rotatably coupled to the grip switching bracket to grip the sample; and
a grip adjustment member configured to enable the grip pivot bracket to maintain a gripped state of a sample seated on the grip base block.
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