Patent ID: 8656559
Filing Date: 2014-02-25
Classification: E05D,E05F,E05Y,Y10T

Abstract:
1. An improved hinge structure, comprising: a first fixed base; a linkage structure having a plurality of links, wherein one end of the linkage structure is pivotally connected to the first fixed base, and a resisting portion is disposed close to the other end of the linkage structure; a pushing member connected to the linkage structure for providing a return force; a second fixed base pivotally connected to the other end of the linkage structure; a positioning base wherein the positioning base has a positioning space with an opening, wherein the opening is corresponding to the resisting portion of the linkage structure; and a buffering damper arranged in the positioning space, wherein the buffering damper has a friction-resistant soft surface exposed from the opening, thereby providing friction buffer for the resisting portion of the linkage structure; wherein the linkage structure further comprises: a first link, wherein one end of the first link is pivotally connected to the first fixed base; a second link, wherein one end of the second link is pivotally connected to the second fixed base, and the other end of the second link is pivotally connected to the first link; a supporting link, wherein one end of the supporting link is pivotally connected to the second fixed base, and the other end of the supporting link is pivotally connected to the first fixed base; an auxiliary link, wherein one end of the auxiliary link is pivotally connected to the first fixed base, and the other end of the auxiliary link is pivotally connected to the middle part of the supporting link; and the pushing member located between the second link and the supporting link; whereby a distance between the second link and the supporting link and being defined by each end of the pushing member is longer while being in an open or closed position, and the distance is shorter while being is in a middle of action, such that the pushing member is pressed to generate a return force while being in a middle of action.