Weight compensating mechanism particularly for aircraft hatches, doors or gates
US4787578A · kind A · utility
1Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1987 |
| Grant date | Nov 29, 1988 |
| Priority date | — |
| Expiry date | Mar 12, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C1/1415
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Weight compensation for hinged doors, hatches, gates, or the like, which swing up and down on an upper horizontal hinge axis, comprises a torsion rod extending parallel to the hinge axis and having hollow shafts or bushings at its respective ends, one of the bushings is connected through a lever and a continuously length adjustable rod to the frame and on one side of said door, hatch, or gate, the other bushing is mounted to a lever, and a continuously adjustable tensioning screw fastens that lever to the door, hatch, or gate, and at the other side thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.