Mechanical extension device of rocking seat
US12364336B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2023 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Apr 1, 2044 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C3/18
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A mechanical extension device of a swinging seat is provided, which includes a base, a first swinging rod, a second swinging rod, an actuator and two mechanical extension units, where the base is connected to the first swinging rod and the second swinging rod in a rotating way; the actuator is arranged between the two mechanical extension units; a locking device is arranged on a second connecting rod connected to the second swinging rod in the mechanical extension unit in a rotating mode, a guide groove and a locking groove formed in the guide groove are formed in the base, the guide groove is opened towards one side, the locking device can enter the guide groove from the opened position of the guide groove, and when the locking device swings and moves the mechanical extension unit, the locking device can enter the locking groove and swing relative to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.