Adjustable door sweep

Claim 1

IN COMBINATION, A STORM DOOR EMBODYING A FRAME HAVING A HORIZONTAL BOTTOM FRAME MEMBER WHICH WHEN IN USE IS SPACED VERTICALLY FROM THE TOP SURFACE OF THE USUAL SILL IN A MANNER WHICH LEAVES THE USUAL GAP BETWEEN THE UNDERNEATH SURFACE OF SAID BOTTOM MEMBER AND TOP SURFACE OF SAID SILL, SAID UNDERNEATH SURFACE HAVING INTEGRAL BUILT-IN MEANS FOR ATTACHMENT AND RETENTION OF A SILL SWEEP, SAID MEANS COMPRISING SPACED ELONGATED RIGID FLANGE MEMBERS COOPERATING WITH EACH OTHER AND DEFINING AN OPENENDED SWEEP ADAPTING, KEYING AND ANCHORING CHANNEL, AND A ONE PIECE HORIZONTALLY ELONGATED GAP-CLOSING SWEEP COMMENSURATE IN LENGTH WITH THE LENGTH OF SAID BOTTOM FRAME MEMBER, SAID SWEEP COMPRISING A FLEXIBLE WEATHER STRIP INCLUDING A BODY PORTION AND A FLAP PORTION, SAID FLAP PORTION EXTENDING ACROSS THE BOTTOM PART OF SAID BODY PORTION WHEREBY THE BOTTOM EDGE CONTACTS AND SWEEPS BACK AND FORTH OVER THE SILL''S TOP SURFACE TO EFFECT THE DESIRED WEATHER-PROOFING SEAL, SAID BODY PORTION SPANNING THE MAJOR PART OF SAID GAP, THE UPPER EDGE OF SAID BODY PORTION BEING SECURED TO SAID SWEEP ATTACHING AND RETAINING MEANS, SAID BODY PORTION EMBODYING INHERENT SELF-CONTAINED MANUALLY ALTERABLE PROPERTIES WHEREBY THE VERTICAL HEIGHT CAN BE ADJUSTED TO COMPENSATE FOR GAPS PRESENTING SILL-ENGAGING HIGH ADJUSTMENT PROBLEMS, SAID FLAP BEING HIGHLY ELASTIC AND DEFORMABLE TO SERVE ITS SELF-ADAPTING SILL-ENGAGING FUNCTION, SAID BODY PORTION BEING PROVIDED ON ONE SIDE WITH A PLURALITY OF DUPLICATED OUTSTANDING SPACED PARALLEL RIBS, AT LEAST THE TOPMOST RIB BEING SEVERABLE TO THUS DECREASE THE VERTICAL HEIGHT OF SAID BODY PORTION AND PERMITTING THE NEXT RIB THEREBELOW, IN LIEU OF SAID TOPMOST RIB, TO BE REMOVABLE LODGED AND KEYED FOR RETENTION IN SAID KEYING CHANNEL.