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Title:
ADJUSTABLE HEADBAND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/038004
Kind Code:
A1
Abstract:
An adjustable headband device. The headband device comprises: a front support component (320, 420); a first elastic component (330, 430) and a second elastic component (340, 440), the first elastic component (330, 430) and the second elastic component (340, 440) being each connected to one end respectively of the front support component (320, 420); a rear connection component (350, 450) connected both to the first elastic component (330, 430) and to the second elastic component (340, 440) so as to form an annular connection of the support component (320, 420), the first elastic component (330, 430), the second elastic component (340, 440), and the rear connection component (350, 450); a first rotating wheel group component (310, 420), the first rotating wheel group component (310, 410) being provided in the front support component (320, 420); a first drawline component, one end of the first drawline component being connected to the first rotating wheel group component (310, 410), and the other end of the first drawline component being connected to the rear connection component (350, 450); wherein the first rotating wheel group component (310, 410) is used for contracting the rear connection component (350, 450) by driving the drawline component. The headband device can ensure that the headband device is portable and can be stored, and meanwhile, the adjustability and the comfortable wearability are improved.

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Inventors:
YANG LINLIN (CN)
LIN YIPANG (CN)
Application Number:
PCT/CN2019/083594
Publication Date:
February 27, 2020
Filing Date:
April 22, 2019
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G02B27/01
Foreign References:
CN206960780U2018-02-02
CN206147180U2017-05-03
CN202233230U2012-05-30
CN207096574U2018-03-13
CN102149295A2011-08-10
US9716938B12017-07-25
US20090066607A12009-03-12
US20150143669A12015-05-28
CN109239921A2019-01-18
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