Abstract: A push-out screen frame including: a fixed frame member having a fixed body portion and an arcuate flange portion extending along one edge thereof; a hinged frame member having a hinged body portion and an arcuate channel along one edge thereof and formed to receive the arcuate flange portion for hinged connection therewith; a swinging frame member having a swinging body portion, a closure formation along an edge thereof and conforming substantially with the arcuate flange portion, and complementary latching and locking formations for latching and locking the hinged frame to the fixed frame; a latching assembly attachable to the fixed body portion and having a latching body portion and a latching formation for latching to the complementary latching formation; and a locking member attachable to a swinging frame member and having a locking body and a locking formation formed for locking engagement with the latching member.