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An overhead sectional garage door (10) has a plurality of hinged sections or panels (14) having rollers (16) mounted thereon for movement of the door (10) between open and closed positions. A stiffener (39) is secured to each door section (14) and extends horizontally between opposed sides of the as

An overhead sectional garage door (10) has a plurality of hinged sections or panels (14) having rollers (16) mounted thereon for movement of the door (10) between open and closed positions. A stiffener (39) is secured to each door section (14) and extends horizontally between opposed sides of the associated door section (14). Each stiffener (39) has a horizontal body (38), an inner vertical mounting flange (41), and an outer bowed flange (42). Vertical mounting flange (41) and bowed flange (42) have free edges and respective beads or curls (44, 46) are formed thereon for stiffening of flanges (41) and (42).

대표청구항 ▼

[ What is claimed is:] [1.]1. In an overhead sectional door structure including a plurality of horizontally hinged door sections having rollers thereon mounted within a track for guiding said rollers and supporting said door sections for movement between open and closed positions;a horizontally exte

[ What is claimed is:] [1.]1. In an overhead sectional door structure including a plurality of horizontally hinged door sections having rollers thereon mounted within a track for guiding said rollers and supporting said door sections for movement between open and closed positions;a horizontally extending stiffener extending lengthwise across the width of the inner side of a door section; said stiffener with the door section in a closed position defining in cross section a generally horizontal body extending outwardly from said door section, an inner vertical mounting flange integral with said horizontal body in face to face contact with said door section, and an outer bowed flange integral with said horizontal body; said inner vertical mounting flange and said outer bowed flange each having a free edge;a tubular bead extending along the free edge of said vertical mounted flange and said outer bowed flange, said tubular beads being turned and of an elliptical cross section wherein the minor axis is at least 45 percent of the major axis; andfasteners extending through said inner vertical mounting flange and secured to said door section for mounting the stiffener onto said door section.