Folding chair and folding mechanism
US10842279B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Aug 19, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C4/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A folding chair includes two folding mechanisms which are symmetrical about the first plane, a first X-shaped folding frame and a second X-shaped folding frame. The folding mechanism includes a first supporting rod, a second supporting rod, a first active rod, a second active rod, a first connecting rod; and a first X-shaped folding frame. The first X-shaped folding frame includes two first transmission rods, and middle portions of the two first transmission rods are hinged at an eighth hinge point. The two first transmission rods can rotate around a seventh axis passing through a seventh hinge point. The second X-shaped folding frame includes two second transmission rods. Middle portions of the two second transmission rod are hinged at the eighth hinge point, and the two second transmission rods can rotate around an eighth axis passing through the eighth hinge joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.