Animal access door for screen doors

Claim 1

A combination animal access door and screen door for a human habitat, comprising: a primary screen door including top and bottom transversely extending horizontal rails connected at opposite ends by first and second longitudinally extending vertical side rails, said top, bottom and side rails defining an opening covered by a screen material; and an auxiliary screen door assembly in said primary screen door and comprising an elongated transversely extending horizontal top mounting rail having opposite ends attached to said first and second side rails of said primary screen door intermediate said top and bottom rails, a vertical rail disposed intermediate said side rails of said primary screen door, said vertical rail having its upper end attached to said top mounting rail and having its lower end attached to said bottom rail of said primary screen door, said top rail and said vertical rail cooperating with portions of said first side rail and said bottom rail of said primary screen door to define an animal access opening in said primary screen door, an animal access door comprising a generally quadrilateral frame covered by a screen material, pivot means for mounting said access door in said access opening, said pivot means comprising rod means mounted at the top of said quadrilateral frame and journalled in said vertical rail and said first side rails to define a horizontal pivot axis for said access door, whereby said access door normally is suspended from said pivot means in the plane of said primary screen door to close said access opening, said pivot means permitting pivotal motion of said access door out of its normal plane in opposite directions to permit the passage of an animal therethrough in either direction.