Title:
SPRING STRING AND SPRING CORE
Document Type and Number:
WIPO Patent Application WO/2020/147217
Kind Code:
A1
Abstract:
Provided are a spring string (100) and a spring core, wherein the spring core includes a plurality of spring strings (100), the plurality of spring strings (100) are arranged in a transverse direction, each spring string (100) extends longitudinally and includes a bag (1) and a plurality of springs (2), the inner cavity of the bag (1) is divided into a plurality of independent bag chambers (11) arranged in a longitudinal direction, at least a portion of the bag chamber (11) of the spring string (100) is divided into a multi-layer chamber (110) along the height direction of the bag chamber (11), each chamber (110) is equipped with a spring (2), the bag chamber (11) of the plurality of spring strings (100) have the same height as each other, the chambers (110) of the same layer of the same bag (1) have the same height as each other, in at least a portion of the spring strings (100), the heights of at least two chambers (110) of the same layer of at least two spring strings (100) are different from each other. The softness in different regions of the spring core in the present invention is different, which improves comfort, the structure and processing technology are simple, and the cost is low.
Inventors:
YE RUJIAN (CN)
Application Number:
PCT/CN2019/084107
Publication Date:
July 23, 2020
Filing Date:
April 24, 2019
Export Citation:
Assignee:
ZHEJIANG HUAJIAN INTELLIGENT EQUIPMENT LTD (CN)
International Classes:
A47C27/06
Foreign References:
| CN109567478A | 2019-04-05 | |||
| US6256820B1 | 2001-07-10 | |||
| US6256820B1 | 2001-07-10 | |||
| CN208064923U | 2018-11-09 | |||
| US20040025256A1 | 2004-02-12 | |||
| CN206238918U | 2017-06-13 | |||
| CN106419289A | 2017-02-22 | |||
| US20160213159A1 | 2016-07-28 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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