Spring tension adjustment mechanism
US9562581B2 · kind B2 · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2014 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Apr 1, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D43/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
According to one embodiment, a spring tension adjustment device for adjusting tension in a spring includes a rotation feature and a plurality of spring-attachment features. The rotation feature defines a first axis of rotation. Each spring-attachment feature is configured to receive one end of a spring, each spring-attachment feature being located at a different distance from the rotation feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.