Electric mechanical stretching device of movable sofa
US10349745B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2015 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Jan 13, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/1756
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An electrical mechanical stretching device of a movable sofa includes a mechanical stretching device and an electrical device, wherein the mechanical stretching device includes a third leg rod and a third connecting rod. The electrical device consists of a motor sliding block connecting pipe, a motor, a motor leg fixing pipe, a motor guide rail and a motor sliding block. The motor is provided with the motor guide rail. The motor sliding block is mounted on the motor guide rail. A motor end is rotatably connected via a second rotating shaft to the motor leg fixing pipe which is fixed on the third leg rod. The motor sliding block is rotatably connected via a first rotating shaft to the motor sliding block connecting pipe which is fixed on the third connecting rod. A base of the mechanical stretching device is connected by two bottom connecting pipes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.