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Patent Searching and Data


Title:
ERGONOMIC CHAIR
Document Type and Number:
WIPO Patent Application WO/2022/143206
Kind Code:
A1
Abstract:
An ergonomic chair. The chair comprises a back support (1) and a chair back assembly, wherein the back support (1) is configured to be directly or indirectly connected to a chair seat (2); the chair back assembly comprises a back supporting member (6) and a waist supporting member (7); the back supporting member (6) and the waist supporting member (7) are separated vertically and are rotatably connected to the back support (1); the respective rotation axes of the back supporting member (6) and the waist supporting member (7) are both provided in the left-right direction of a chair; and when the back supporting member (6) and the waist supporting member (7) rotate in response to the leaning force of a human body, the back supporting member (6) and the waist supporting member (7) rotate in opposite directions and form a curve which is attached to the waist and back of the human body and is recessed backwards. Relative to the prior art, when the back supporting member (6) and the waist supporting member (7) rotate in response to the leaning force of the human body, the lower end of the back supporting member (6) rotates backwards, the upper end of the waist supporting member (7) rotates backwards, the waist and back of the human body are located between the back supporting member (6) and the waist supporting member (7), and the waist supporting member (7) is located below the waist, such that the waist is effectively and better supported, and the comfort is high.

Inventors:
CHENG JUN (CN)
Application Number:
PCT/CN2021/138948
Publication Date:
July 07, 2022
Filing Date:
December 16, 2021
Export Citation:
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Assignee:
UE FURNITURE CO LTD (CN)
International Classes:
A47C7/46; A47C7/40
Foreign References:
CN112754208A2021-05-07
CN214631140U2021-11-09
CN214631141U2021-11-09
CN201987045U2011-09-28
CN209152750U2019-07-26
CN207100976U2018-03-16
CN1748617A2006-03-22
CN107125990A2017-09-05
US20180078812A12018-03-22
Attorney, Agent or Firm:
HANGZHOU CHENGLONG INTELLECTUAL PROPERTY ATTORNEYS OFFICE LLP (CN)
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