Title:
FUNCTIONAL SOFA MECHANICAL STRETCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/140776
Kind Code:
A1
Abstract:
Provided is a functional sofa mechanical stretching device, including a stretching bracket. The stretching bracket comprises a backrest assembly, a seat assembly and a leg assembly. The seat assembly includes a seat frame mounting plate and a base plate, the seat assembly also includes a linkage mechanism. The linkage mechanism includes a leg linkage assembly, a backrest linkage assembly and a connecting rod. The leg assembly is rotatably mounted at the front end of the seat frame mounting plate. The backrest assembly is rotatably mounted at the rear end of the seat frame mounting plate Two ends of the leg linkage assembly are rotatably connected with the front end of the seat frame mounting plate and the base plate respectively. Two ends of the backrest linkage assembly are rotatably connected with the rear end of the seat frame mounting plate and the base plate. The connecting rod is rotatably mounted on the base plate, and two ends of the connecting rod are rotatably connected with the backrest linkage assembly and the leg linkage assembly respectively. Through the design, the functional sofa mechanical stretching device is smoother and has faster speed during posture switching, and has lower posture and is more comfortable when in a lying posture.
Inventors:
SHEN BIN (CN)
WU LINLIN (CN)
LI XIAOHONG (CN)
WANG XU (CN)
CHEN JIAO (CN)
DONG TENGZHONG (CN)
PANG ZHONG (CN)
CHEN CHEN (CN)
WU LINLIN (CN)
LI XIAOHONG (CN)
WANG XU (CN)
CHEN JIAO (CN)
DONG TENGZHONG (CN)
PANG ZHONG (CN)
CHEN CHEN (CN)
Application Number:
PCT/CN2018/080375
Publication Date:
July 25, 2019
Filing Date:
March 24, 2018
Export Citation:
Assignee:
REMACRO MACH & TECH WUJIANG CO LTD (CN)
International Classes:
A47C17/16
Foreign References:
| CN106263778A | 2017-01-04 | |||
| CN102669974A | 2012-09-19 | |||
| CN104622084A | 2015-05-20 | |||
| CN201571760U | 2010-09-08 | |||
| CN106108481A | 2016-11-16 | |||
| US5103510A | 1992-04-14 | |||
| CN104970612A | 2015-10-14 | |||
| CN205612151U | 2016-10-05 | |||
| CN108260984A | 2018-07-10 |
Attorney, Agent or Firm:
GUANGZHOU YUEXIU JILY PATENT & TRADEMARK LAW OFFICE (CN)
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