| 摘要 |
A foldable expansion digital structure includes a digital card body and a periphery for a computer. The digital card body provides a conducting plate at a lateral side thereof and a support shaft at another lateral side thereof. The support shaft has a plurality of connecting pins to be joined to the conducting plate and has a projecting spot at two ends thereof respectively. The periphery provides a shaft groove at the bottom thereof corresponding to the support shaft. The shaft groove at two lateral sides thereof has a locating recess respectively for fitting with the projecting spot. A plurality of spring strips are provided on the shaft groove as terminals for keep contact with the connecting pins. Hence, the periphery can be rotated a suitable angle with respect to the support shaft.
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