| 主权项 |
1. A pivotally rotating positioner for a support illuminating multi-task device, which is used to conductively connect a light rotating arm to a body in a fashion of pivotal rotations at variable angles, wherein the body comprises a base housing and a power supply assembly installed within the base housing, the base housing is configured with at least a pair of positioning through-holes; and the light rotating arm comprises a pair of rotating arm cases and a blocking part installed on the aforementioned pair of rotating arm cases, wherein the aforementioned pair of rotating arm cases are respectively configured with a penetrating part corresponding to one of the aforementioned positioning through-holes, and the blocking part further includes a light source formed by a set of light emitting diodes, the pivotally rotating positioner comprising:
a pair of electrically conductive pivotal axis assemblies, each of the aforementioned electrically conductive pivotal axis assembly respectively having two mutually opposite radial expansion position-limiting parts, and a radial contracting part located between the aforementioned radial expansion position-limiting parts, in each of the aforementioned conductive pivotal axis assembly the radial contracting part respectively penetrating correspondingly the aforementioned penetrating part and the aforementioned positioning through-hole, thereby limiting the greatest distance between the aforementioned base housing and the aforementioned rotating arm case by means of the aforementioned radial expansion position-limiting part such that the aforementioned rotating arm case can be combined to the aforementioned body in a fashion of pivotal rotations; a pair of electrically conductive springs, respectively sleeve installed on the aforementioned radial contracting part of the aforementioned electrically conductive pivotal axis assembly, and one end of the aforementioned electrically conductive spring being conductively abutted against one of the aforementioned radial expansion position-limiting part so as to provide an elastic push force to abut thereon such that the aforementioned base housing and the aforementioned rotating arm case can be elastically and tightly coerced with each other; two sets of snapping recesses and snapping bumps, respectively formed on the aforementioned base housing and the aforementioned rotating arm case thus allowing the aforementioned rotating arm case to be relatively positioned at at least two predetermined positions upon pivotally rotating relatively to the aforementioned base housing along the aforementioned electrically conductive pivotal axis assembly. |
