Pet door for screen applications

In combination with a screen and screen frame in a given plane, said frame having a bottom and an intersecting side, the perimeter of said screen being attached to said frame forming a corner of a generally rectangular screened enclosure, a pet door for screen applications comprising:

• a cut-out portion in said screen defining an opening, said opening having a top and a side defined by said screen and a side and a bottom defined by said frame, said opening being generally rectangular in shape;
• a horizontal framing member having a length substantially equal to said top of said opening and having a spline groove, said screen at the top of said opening defined by said screen being attached to said horizontal framing member by spline material;
• a vertical framing member having a length substantially equal to said side of said opening defined by said screen and having a spline groove, said screen at the side of said opening defined by said screen being attached to said vertical framing member by spline material;
• a corner bracket joining said horizontal framing member to said vertical framing member at the intersection of the top and side of said opening defined by said screen;
• an upper mounting bracket joined to said horizontal framing member and attached to said frame at the side of said opening defined by said frame;
• a lower mounting bracket joined to said vertical framing member and attached to said frame at the bottom of said opening defined by said frame;
• and
• a flexible flap and mounting plate joined to said horizontal framing member only, said flap being aligned between said mounting plate and said horizontal framing member, said flap being nearly equal in size to said opening, said flap being moveable pivoting about an axis at said horizontal framing member permitting the passage of a pet through said opening.