发明申请

HEAD REST DEVICE
摘要:
There is provided a head rest device 10 that does not impair safety of a seated person even when a secondary battery 35 is accommodated therein.An accommodation space 28 partitioned by a partitioning plate part 25 is provided inside a cushioning core material 12 of a head rest main body, and a secondary battery 35 is accommodated inside the accommodation space 28.
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