Dual pivot hinge assembly
US5901415A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1998 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Sep 2, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.