发明名称 FOLDING CHAIR WITH HINGE
摘要 A folding chair has a backrest, a seat and legs that are coupled to two hinges. The folding chair has an open position and a closed position. In the closed position the backrest portion is parallel to the seat portion and in the open position the angle between the seat portion and the backrest portion is greater than 90 degrees. The hinges are made of two elongated rod structures each having a helical center section. The two elongated rod structures are coupled together with a bolt to form the hinge.
申请公布号 US2015308171(A1) 申请公布日期 2015.10.29
申请号 US201514698737 申请日期 2015.04.28
申请人 Shape Field Office LLC 发明人 Shadley Karson
分类号 E05D5/12;A47C4/04;E05D3/02;A47C3/00 主分类号 E05D5/12
代理机构 代理人
主权项 1. A hinge for a folding chair comprising: a first hinge structure having a first hole; a second hinge structure having a second hole, the second hinge structure is identical to the first hinge structure; and a bolt placed through the first hole and the second hole for securing the first hinge structure to the second hinge structure.
地址 Oakland CA US