Patent ID: 7770624
Filing Date: 2010-08-10
Classification: E05D,E05Y,E06B

Abstract:
1. A sectional overhead garage door, comprising: a first door section; a second door section, the first door section and the second door section being configured to be hingely attached to each other; an upper rail being attached to a bottom portion the first door section and having a front vertical leg extending downward toward the second door section when in a closed position, the front vertical leg having a rear face and a convex protrusion at a distal end of the rear face; a lower rail being attached to an upper portion of the second door section, the lower rail having a front face and a multiple arcuate surface on the front face, the multiple arcuate surface having an upper convex portion, a concave portion which mates with the upper rail convex protrusion extending rearward into the concave portion of the lower rail and toward a front surface of the overhead garage door when the first section and the second section are in the closed position, and an inflection region between the upper convex portion and the concave portion, the lower rail further including a flange that protrudes outward, beyond the plane of the door; wherein the upper rail front vertical leg moves in a curvilinear manner to follow the curvature of the upper convex portion of the lower rail during rotational motion of the upper and lower rails relative to each other; and a first rotation limiter provided on the upper meeting rail and a second rotation limiter provided on the lower meeting rail, the first rotation limiter configured to be received in the second rotation limiter.