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:
Jun. 02, 2026
Filed:
May. 13, 2024
Luhao Leng, Fujian, CN;
Luhao Leng, Fujian, CN;
Abstract
One or more springs having at least one positioning ring and an elastic mattress are provided. Each of the one or more springs comprises a spring body having a spiral shape formed by winding, two ends of the spring body are wound to form two end surface rings, the spring body comprises the at least one positioning ring, the at least one positioning ring is a winding ring of the spring body, the at least one positioning ring is substantially parallel to the two end surface rings or is substantially perpendicular to a direction of an elastic force of the spring body, and the at least one positioning ring is at least spaced apart from a stressing end for ¼ of a length of the one or more springs.