Martin E Morrison

US Patent:

59014156, May 11, 1999

Filed:

Sep 2, 1998

Appl. No.:

9/145899

Inventors:

Martin M. Morrison - West Chester PA
Richard E. Schlack - Rising Sun MD

Assignee:

Southco, Inc. - Concordville PA

International Classification:

E05D11/06;11/10

US Classification:

16371

Abstract:

A hinge is provided having an interior pivot point and an exterior pivot point for mounting a door to a frame, with the door capable of moving in an opening direction and a closing direction such that the door is capable of opening a full one hundred eighty degrees. The hinge has a lower bracket mounted on a frame, a central pivot link rotationally attached to the lower bracket, an exterior pivot pin extending between the lower bracket and the central pivot link providing for rotational movement of the pivot link with respect to the lower bracket around the exterior pivot point, an upper bracket for mounting the upper bracket on the door, an interior pivot pin, parallel to the exterior pivot pin, extending between the upper bracket and the central pivot link providing for rotational movement of the door with respect to the central pivot link around the interior pivot point, and a spring for urging the central pivot link against the lower bracket whereby increased longitudinal load is placed on the central pivot link against the lower bracket and for applying torque from the lower bracket to the central pivot link in the opening direction of the door.