Patent ID: 8449315
Filing Date: 2013-05-28
Classification: H05K

Abstract:
1. A linkage device cooperating with a casing, which has a connecting port, comprising: a barrier pivotly disposed on the casing and positioned at a first position or a second position with respect to the connecting port of the casing, wherein when the barrier is at the first position, the barrier covers at least a part of the connecting port; otherwise, when the barrier is at the second position, the barrier does not cover the connecting port; and a push bar slidingly disposed on the casing and abutting against the barrier; wherein, when the push bar pushes the barrier, the barrier rotates from the first position to the second position, wherein the barrier comprises a first connecting portion, the push bar comprises a second connecting portion, and the second connecting portion of the push bar abuts against the first connecting portion of the barrier, wherein one of the first connecting portion and the second connecting portion is a long-shaped through hole or a long-shaped concave portion, the other one thereof is a protruding portion, and when the push bar is pushed, the protruding portion moves from one end of the long-shaped through hole or the long-shaped concave portion to the other end thereof, thereby rotating the barrier from the first position to the second position.