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Patent Searching and Data


Title:
CHAIR DEVICE AND STAR-SHAPED BASE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/233417
Kind Code:
A1
Abstract:
Disclosed are a chair device and a star-shaped base (3) thereof, in particular capable of being used for office chairs, work chairs, stools or standing auxiliary devices, the star-shaped base comprising a center seat (4) and a plurality of extending arms (5) mounted on the center seat (4), wherein the extending arms (5) are used for the star-shaped base (3) to be placed on the ground, and at least one of the extending arms (5) is hinged to the center seat (4) and can rotate relative to the center seat (4). A chair seat of the chair device can rotate or swing, while parts mounted at an upper end of a chair column do not need to be modified, and particularly, a supporting structure, a chair support for the chair seat to be placed, and the chair seat itself do not need to be modified.

Inventors:
WANG JIANGLIN (CN)
WANG ZHENGXING (CN)
BOCK HERMANN (CN)
Application Number:
PCT/CN2020/089197
Publication Date:
November 26, 2020
Filing Date:
May 08, 2020
Export Citation:
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Assignee:
HENGLIN HOME FURNISHINGS CO LTD (CN)
International Classes:
A47C1/00; A47C7/00; A47C3/18
Domestic Patent References:
WO2008084113A12008-07-17
Foreign References:
DE102009007324A12010-08-05
DE102009007324A12010-08-05
US4699344A1987-10-13
US4699344A1987-10-13
US5505524A1996-04-09
US5505524A1996-04-09
CN205618929U2016-10-05
DE10338549A12005-03-24
EP1106111B12004-11-24
US8020938B22011-09-20
Other References:
See also references of EP 3973821A4
Attorney, Agent or Firm:
HANGZHOU FENGHE PATENT ATTORNEYS OFFICE CO., LTD. (CN)
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