Patent ID: 6942001

Claim:
An apparatus for opening and closing a portal in a structure, comprising: a) a pair of spaced apart opposing lateral margins defining opposing sides of the portal; b) a flexible curtain having elongated side portions, a first end and a second end each having a dimension commensurate with the separation of said lateral margins, with said first end of said curtain being fixedly attached adjacent the portal along a first end thereof, said second end of said curtain folded back on itself to define a pocket opening towards the first end of the portal; c) a first elongated rod captured within said pocket; d) varying means operatively connected to said second end of said curtain for varying the height of said pocket; and e) means for magnetically urging said pocket towards said lateral margins, wherein said means for magnetically urging comprises a magnetic member mounted to each opposing end of said first rod to hold each said opposing end of said rod against a lateral margin.