| CPC G03B 5/00 (2013.01) [G03B 17/12 (2013.01); G03B 41/08 (2013.01); H05K 1/0274 (2013.01)] | 20 Claims |

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1. A carrying frame comprising:
a main body comprising a first inner surface which defines a first through hole;
a first rotating part mounted on the first inner surface, the first rotating part comprising a second inner surface which defines a second through hole;
a second rotating part mounted on the second inner surface, the second rotating part comprising a third through hole; and
a driving part configured to drive at least one of the first rotating part to rotate in a first direction and the second rotating part to rotate in a second direction, wherein the first direction and the second direction are perpendicular to each other, and both the first direction and the second direction are parallel to a plane where the main body is located.
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