Patent ID: 6092581
Filing Date: 2000-07-25
Classification: E06B

Abstract:
A safety blind for installation in an opening in a building including a pair of side edges and a bottom edge comprising a closure including a pair of side edges and a bottom edge and being movable between an open position and a closed position in which said closure can substantially cover said opening, a first plurality of locking lei, members disposable along said pair of side edges of said opening, and a second plurality of locking members disposed along said pair of side edges of said closure, lock means for relatively disposing said first and second pairs of locking members with respect to each other between a locked configuration and an unlocked configuration when said closure is in said closed position, said first plurality of locking members comprising locking apertures and said second plurality of locking members comprising projecting means for projecting through said locking apertures, said locking apertures having a predetermined width and connected by a continuous channel disposable along said pair of side edges of said opening, said projecting means comprising a plurality of pegs projecting from said pair of side edges of said closure into said continuous channel, said plurality of pegs each including an enlarged peg portion having a size greater than said predetermined width but smaller than the width of said continuous channel, whereby said enlarged peg portion can freely move within said continuous channel and cannot pass through said locking apertures, and said lock means comprising a movable channel inlet closure member including a plurality of grooves corresponding to said plurality of pegs, said movable channel inlet closure member being movable between said locked configuration whereby said locking apertures are substantially covered and said pegs are thereby prevented from moving along said continuous channel and said unlocked position wherein said pegs can freely move along said continuous channel and said closure can move between said open and closed positions.