Patent ID: 7040979

Claim:
A vent for crawl space type vent opening in the wall of a building, comprising: a front frame for engaging an outside face of the wall around the vent opening; a removable venting plate adapted to be removably secured to the front frame from outside the building; a rear frame connectable to the front frame with one or more tension members adapted to extend through the opening, the one or more tension members when connected to the front and rear frames through the vent opening being operable by a person outside to tension the front and rear frames against the wall; wherein the one or more tension members are connected to the front frame to extend through the vent opening, when the front frame engages the outside face of the wall around the vent opening, and wherein the rear frame is removably connected to the one or more tension members and sized for insertion through the front frame and the vent opening after the front frame is engaged with the outside face of the wall around the vent opening with the one or more tension members connected to the front frame extending through the vent opening, and wherein the rear frame comprises one or more cross-members spanning the vent opening and having ends for engaging the inside surface of the wall around the vent opening.