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:
Oct. 28, 2025
Filed:
Apr. 10, 2023
Eaton Intelligent Power Limited, Dublin, IE;
Tyler Holp, Coraopolis, PA (US);
Logan Dwight Weigle, McKees Rocks, PA (US);
Steven Z. Chen, Coraopolis, PA (US);
Santhosh Kumar Chamarajanagar Govinda Nayaka, Moon Township, PA (US);
Robert Michael Slepian, Murrysville, PA (US);
Hongbin Wang, Novi, MI (US);
Brian J. Schaltenbrand, Pittsburgh, PA (US);
Eric D. Smith, Painted Post, NY (US);
EATON INTELLIGENT POWER LIMITED, Dublin, IE;
Abstract
A circuit interrupter includes separable contacts, a drive shaft coupled to the separable contacts and structured to move to open and close the separable contacts, a tapered drive shaft section coupled to the drive shaft and having tapered sides, and a friction assembly. The friction assembly includes a friction device structured to interact with the tapered sides of the tapered drive shaft, an armature coupled to the friction device, and a biasing member structured to bias the friction device and armature toward the tapered drive shaft section.