Seat tilting mechanism with two springs
US10194746B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2017 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Jun 27, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/443
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A seat tilting mechanism comprising a main body, a support member rotationally mounted to said main body, and a first extension coil spring mounted between said main body and said support member to provide resistance to rotation of said support member, in which said seat tilting mechanism further comprises a second extension coil spring and an engagement mechanism which engages said second extension coil spring for resistance to rotation of said support member when said first extension coil spring reaches a pre-determined point of extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.