发明申请
US20090305753A1 ROTARY COVER MECHANISM FOR PORTABLE ELECTRONIC DEVICES 有权
便携式电子设备旋转罩机构

ROTARY COVER MECHANISM FOR PORTABLE ELECTRONIC DEVICES
摘要:
A rotary mechanism includes a base (10), a cover (30), a torsion spring (40) and a locking module (20). The rotary cover is rotatably mounted to the base. Two ends of the torsion spring are fixed with the base and the cover, respectively. The locking module limits the cover from rotating relative to the base. When the cover overcomes the limitation of the locking module, the cover can automatically rotate relative to the base due to the torsion spring.
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