Chair for active engagement of user
US11596232B2 · kind B2 · utility
2Cited by
72References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2020 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Apr 15, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/46
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair includes a lower chair and an upper chair. The lower chair includes a tilt-swivel mechanism defining a vertical swivel axis, a yoke, and a column extending between the tilt-swivel mechanism and the yoke. The upper chair is pivotably mounted to the yoke about a horizontal upper chair pivot axis. The upper chair includes a seat adapted to cradle the ischial tuberosities of a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.