Hinge device
US12146354B2 · kind B2 · utility
0Cited by
20References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2023 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Aug 9, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2999/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hinge device includes a pivot seat, a rotating shaft, a first friction block, and a locking assembly. By being structurally provided with a sleeve, a first cam ring, a first elastic ring, a second friction block, a second cam ring, a second elastic ring, an elastic element, a locking portion, and a cover of the locking assembly, the hinge device has a locking function and a long service life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.