To provide a column-to-beam connection structure for a connection between a column made of steel reinforced concrete and a steel beam or a beam made of steel reinforced concrete, which structure can be greatly simplified, is easy to construct and is dynamically plained in high reliability. 鉄骨鉄筋コンクリート造の柱と鉄骨梁または鉄骨鉄筋コンクリート造の梁との接合部について、構造を大幅に簡略化でき、施工が容易で、力学的にも明解で信頼性の高い柱梁接合構造を提供する。 - 特許庁