| 摘要 |
A double locking device of a belt clip having a lever provided with a hinge opening through which a hinge shaft passes; a belt clip holder for engaging the lever with a pager housing, the belt clip holder being provided with the hinge opening, a guide projection, an groove, a hanging rib and a hanging projection; the pager housing including a guide rail into which the guide projection of the belt clip holder slides, a hanging recess, an opening provided with a tension part having a protrusion on a side of the guide rail, and a guide channel situated between the opening and the guide rail; a locker including a protrusion adapted to be in contact with the protrusion of the tension part and a stopper adapted to be slid into the guide channel and to be put into the groove of the belt clip holder, thereby to lock the belt clip holder into the pager housing, the locker being engaged into the opening of the pager housing and locking the belt clip holder slid into the guide rail; and a coil spring having the lever turning elastically around the hinge shaft within a predetermined angle after being engaged with the belt clip holder.
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