SLAT ANGLE FIXING TOOL, METHOD FOR MOUNTING SAME, LADDER CORD THREADER, DAYLIGHTING DEVICE, AND DAYLIGHTING SYSTEM

摘要

This invention allows the slat angles even for standard blinds to be easily adjusted in sections. According to one embodiment, a slat angle fixing tool comprises a ladder cord insertion hole into which a portion of a prescribed location of at least one ladder cord to adjust a plurality of slat angles of a solar radiation adjustment device is inserted, and a ladder cord retention part that retains at least one ladder cord protruding from the ladder cord insertion hole.