Patent ID: 8184213

Claim:
A portable screen comprising: a frame body having a rectangular shape; and a screen sheet provided with tension within the frame body and having an image projection surface, wherein one set of opposing sides of two sets of opposing sides forming the frame body is configured to allow the frame body to be extendable in a first direction parallel to the opposing sides of the one set of opposing sides, each of the opposing sides of the one set of opposing sides including a first frame piece and a second frame piece that is slidable in the first direction relative to the first frame piece, the other set of opposing sides of the two sets of opposing sides forming the frame body is configured to allow the frame body to be spreadable or foldable, the screen sheet is not attached to either of the opposing sides of the one set of opposing sides of the frame body, and the screen sheet is attached to each of the opposing sides of the other set of opposing sides of the frame body.