To provide a joint construction between a column and a beam which prohibits a slip of the jointing end portion of the beam evenwhen the joint is subjected to positive and negative repeated loads during an earthquake or the like. 地震などによる正負繰り返しの荷重を受けても梁の接合端部が滑らない柱と梁の接合構造を提供することである。 - 特許庁