Patent ID: 7426077

Claim:
A portable screen device comprising: a casing having an opening extending in a longitudinal direction in an upper surface thereof; a spring-biased roll rotatably mounted in said casing; a screen wound around said spring-biased roll in a storage position, said screen being extendable from said opening; a top bar secured to one end of said screen, said top bar serving as a cover for closing said opening in the storage position of said screen; an extendable column for supporting said screen in an extended state, said column having one end supported at a center portion of a back face of said casing, and including a plurality of tubular members slidable with respect to one another, said plurality of tubular members including a lowermost first tubular member, and a second tubular member extendable from said first tubular member; a first column lock mechanism for locking said first tubular member relative to said second tubular member to maintain said column at a desired height; and a column lock releasing mechanism operatively coupled to said first column lock mechanism, said column lock releasing mechanism comprising a pedal supported on a bottom surface of said casing, wherein said pedal can be pressed to release said first and second tubular members.