Patent ID: 7635159

Claim:
A collapsing device for a child seat, the child seat having a stand which includes a connecting tube which has two arm portions connecting to the stand, the collapsing device for a child seat comprising: an operating device configured for mounting to the connecting tube and having an operation button and an actuating unit coupled to the operation button, the actuating unit being operable by the operation button to move from a first position to a second position; at least one engaging element configured to be operably disposed in the arm portion of the connecting tube and including a locking member, the locking member being movable between a locked position at which the locking member engages with the stand and the connecting tube and an unlocked position at which the locking member disengages from the stand; and at least one transmission member having two ends, a first end being connected to the actuating unit of the operating device and a second end being connected to the at least one engaging element, whereby the locking member is moved from the locked position to the unlocked position by the operation button through the at least one transmission member, so that the child seat can be collapsed from an extended state to a collapsed state, wherein the locking member comprises two pivotally coupled arm members and a clip spring disposed between the arm members, the two arm members and the clip spring being arranged such that while first ends of the two arm members are close to each other, opposite second ends of the two arm members are apart from each other, each of the arm members having a laterally projected protrusion formed at the second end thereof.