Patent ID: 9660481
Date: 2017-05-23
CPC Classifications: H01F,H02J

Claim:
1. A wireless charger assembly used for transferring power to an electronic device and mounted to an exterior flatbed, the flatbed including a working surface, a non-working surface opposite the working surface, and a through-hole extending through the working surface and the non-working surface, the wireless charger assembly comprising: a bottom case including a bottom floor releasably retained to the nonworking surface, a closed loop wall projecting upwardly from the bottom floor to insert in the through-hole, and a cavity defined by the bottom floor and the closed loop wall; a top case having a working platform mounted around the working surface of the flatbed, a neck portion extending downwardly from the working platform, and a slot defined by the working platform and the neck portion, the neck portion releasably retained to the closed loop wall; a printed circuit board (PCB) disposed between the top case and the bottom case and being close to the top case; and a transmitter coil mounted on a top face of the PCB close to the working platform of the top case, the transmitter coil transmitting power to a receiver coil of the electronic device through inductive charging; a coil spring located between the PCB and the bottom case, said coil spring having a bottom portion retained to the bottom floor and a top portion abutting against the PCB.