主权项 |
1. An arm structure, comprising:
an arm body set between two adjacent aircraft seats; and two supporting boards, shaped corresponding to the arm body, and pivotally connected to two sides of the arm body respectively, each of the two supporting boards having a first position and a second position, when the two supporting boards in the first position, the two supporting boards integrated with the arm body to form an arm, when the two supporting hoards in the second position, the two supporting boards perpendicular to the aim body, for supporting hands of passengers seated on both the two aircraft seats. |