The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2022
Filed:
Jul. 29, 2020
LI Yang, Changzhou, CN;
Li Yang, Changzhou, CN;
Other;
Abstract
A sleeping system includes a comfortable layer comprising a plurality of pressure relief springs and a supporting layer arranged under the comfortable layer. The supporting layer includes a plurality of supporting springs corresponding to the plurality of pressure relief springs, each of the plurality of supporting springs is connected with one of the plurality of pressure relief springs to constitute a pair of spring, the supporting springs and the supporting springs forms a plurality of pairs of springs arranged along a length direction and a width direction, each pair of spring has a same size, and a ratio of a length of the supporting spring to a length of the pressure relief spring varies smoothly along the length direction of the sleeping system.