Mechanical stretching device for movable seat unit and seat unit
US11452378B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Nov 5, 2021 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Nov 5, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/5068
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.