GUIDE RAIL FITTING STRUCTURE FOR WINDOW SHUTTER

摘要

PROBLEM TO BE SOLVED: To prevent a guide rail from being detached from a rail bed frame even if a force is applied to the guide rail via a shutter curtain in blowing a strong wind. SOLUTION: This guide rail fitting structure is so constituted that a fitting recessed groove 44 and a fitting projecting piece 33 provided outside the guide rail 3 and the rail bed frame 4 of the window shutter 1 are so fitted by pushing the guide rail from the outside.