Apparatus for controlling various movements of a door
US6978516B1 · kind B1 · utility
9Cited by
34References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2003 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Jun 2, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/202
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for controlling various and different movements of a door, said apparatus having a door hinge assembly with a hinge pin having a plurality of bearing surfaces to reduce stress and wear on a hinge pin housing, a torque mechanism for pre-torquing and torquing a hinged door, a door leveling mechanism that operates at the top of the door while the door remains closed, and a semi-automated mechanism that holds the door 90 degrees open and releases the door for closing by said torque mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.