To provide a fastener of a sheet pressing string for suppressing breakage of a light shielding sheet when the light shielding sheet is extended on a translucent sheet.SOLUTION: There is provided a fastener A of a sheet pressing string in which a string B bridged to a translucent sheet C is hooked to a dovetail groove frame D side, comprising: an engagement spring 1； a string attachment part 3 coupled to the engagement spring 1； and a pair of hooking parts formed on base end sides of the string attachment part 3, being molded by bending an elastic wire, respectively. The engagement spring 1 is formed of a spring body and a pair of engagement pieces 1B, 1C, and the string attachment part 3 is formed of a pair of arm parts 3A, 3C and a hook part 3B. One hooking part is formed of a standing piece 2A and the other hooking part is formed of a coupling piece 4A and an engagement piece 4B.SELECTED DRAWING: Figure 1【課題】透光シート上に遮光シートを展張したときに遮光シートを破損させないようにしたシート押え紐の止め具を提供する。【解決手段】透光シートＣ上に架け渡した紐Ｂを蟻溝フレームＤ側に引掛けるシート押え紐の止め具Ａにおいて、それぞれ弾性線材を屈曲して成形した係止バネ１と、上記係止バネ１に連結した紐取付け部３と、上記紐取付け部３の基端側に形成した一対の引掛け部とからなり、上記係止バネ１をバネ本体と一対の係止片１Ｂ、１Ｃとで構成させ、上記紐取付け部３を一対の腕部３Ａ、３Ｃと、フック部３Ｂとで構成させ、一方の引掛け部を起立片２Ａで構成させ、他方の引掛け部を連結片４Ａと係止片４Ｂとで構成させたことを特徴とする。【選択図】図１
