logo

For the Inventor, By the Inventor

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.:

US 12516693 B1

PDFFull Text
Date of Patent:
Jan. 06, 2026

Filed:

May. 15, 2023

Pre-tightening disc spring, assembly comprising the pre-tightening disc spring, and method for manufacturing the pre-tightening disc spring

Applicant:

Aigi Environmental Inc., Jiangsu, CN;

Inventors:

Jingwei Zhao, Nanjing, CN;

Jun Zhang, Nanjing, CN;

Assignee:

AIGI Environmental Inc., Nanjing, CN;

Attorneys:

Jeffer Mangels

Butler & Mitchell LLP

Brennan C. Swain, Esq.

Primary Examiner:

Flemming Saether

Int. Cl.
CPC ...
F16B 39/24 (2006.01); B21F 3/08 (2006.01);
U.S. Cl.
CPC ...
F16B 39/24 (2013.01); B21F 3/08 (2013.01);
Abstract

A pre-tightening disc spring that includes a disc-shaped body formed with a central hole and having opposite first and second contact sides in a thickness direction. The disc-shaped body being a rotation solid formed by rotating a radial section about a central rotation axis by 360 degrees The central rotation axis coinciding with a central axis of the central hole The radial section having a first line segment and an opposing second line segment The first contact side being defined by rotating the first line segment, the second contact side being defined by rotating the second line segment, and a medium-diameter axis being defined to passing a mid-point of the second line segment and extending normally relative to the second line segment The the radial section being mirror-symmetrical relative to the medium-diameter axis.

Find Patent Forward Citations

Zhao, Jingwei. (2026). Pre-tightening disc spring, assembly comprising the pre-tightening disc spring, and method for manufacturing the pre-tightening disc spring (U.S. Patent No. 12516693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12516693

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…