Patent ID: 8356771

Claim:
An aircraft frame coupler for joining two frame segments within a fuselage cabin structure of an aircraft, the frame segments comprising a vertical web connected with a header flange and a footer flange, comprising: at least one side plate arranged in an area of one side of a vertical web of two frame segments within a fuselage cabin structure of an aircraft; and at least one counter plate arranged in at least a part of an area of an opposing side of the web, wherein the side plate and the counter plate are butted on both sides against the frame segments, and wherein the side plate and the counter plate are arranged to define two single-shear-areas in which the coupling is constructed as single-layer arrangement, wherein a first region is defined in which only one of the side plate or the counter plate is butted against the frame segments, and a second region is defined in which only the other of the side plate or the counter plate is butted against the frame segments.