Non-linear torsional assist mechanism and method
US5396692A · kind A · utility
1Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1991 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Oct 28, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/202
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention provides an indirect linkage between a spring and a hatch supported by the spring. The torque or moment applied by the hatch is significantly curved. The indirect linkage which provides a first varying moment arm and a second varying moment arm and utilizes a varying ratio between the first moment arm and the second moment arm to provide an applied spring torque which matches the shape of the torque curve applied by the hatch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.