| 摘要 |
The present invention relates to a headrest moving device. More specifically, a plurality of widthwise teeth and a plurality of longitudinal teeth are engaged with each other to have a plurality of teeth to precisely adjust a position of a headrest and endure a high load when a first and a second gear where the teeth is formed along the width direction and the longitudinal direction are engaged. Moreover, the present invention has excellent durability to be capable of being operated although a portion of teeth is separated. |
