PURPOSE: To facilitate the opening and closing operations by reducing the housing space of an opening/closing door of a draft chamber, refrigeration show case, etc., while maintaining the partition effect of the inside and outside of a case body.
CONSTITUTION: This case with an opening/closing cover is composed of the draft chamber A consisting of a pair of guides 16, 17 which are disposed on both sides of the aperture 7 of the chamber body 6, a drum 9 which is disposed at the top end of the aperture, a sheet 8 which is wound around this drum and is guided by the guides 16, 17 at the time of un-winding, a bar 22 at the bottom end thereof and an engaging ring 23 and engaging groove 24 which engage the bar 22 with the lower part of the aperture 7.
IWASAKI YOSHITAKA
IBE KOICHI
TAKASHITA MASASHI
