Patent ID: 8304703

Claim:
A wing deployment apparatus comprising: a plurality of wings configured to be in a folded state and a deployed state; a driving unit connected to the plurality of wings, and configured to drive the plurality of wings to be switched from the folded state to the deployed state or vice versa; and a damper cooperative with the operation of the driving unit, and configured to dampen a driving force of the driving unit from the start of the movement of the plurality of wings to the completion of the movement of the plurality of wings, and wherein the driving unit comprises a linear motion unit, the linear motion unit comprising an assembly comprising a first piston and a first cylinder, the linear motion unit further comprising a plurality of extending portions connected to the first piston, the first piston movable along a first direction, and wherein the damper comprises a second piston and a second cylinder, the second cylinder being adjacent to the first cylinder, an end of the second piston being connected to one of the plurality of extending portions to be interlocked with the first piston.