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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 12781842 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

May. 27, 2025

Differential crown locking interface

Applicant:

Dana Italia S.r.l., Arco, IT;

Inventors:

Claudio Maffei, Arco, IT;

Davide Deimichei, Ala, IT;

Alessandro Strauss, Rovereto, IT;

Gianluca Terrasi, Arco, IT;

Mario Bonora, Tenno, IT;

Parag Mahajan, Pune, IN;

Assignee:

DANA ITALIA S.R.L., Arco, IT;

Attorney:

McCoy Russell LLP

Primary Examiner:

Farhana Pervin

Int. Cl.
CPC ...
F16H 48/40 (2012.01); F16D 1/112 (2006.01); F16H 48/08 (2006.01); F16H 57/04 (2010.01); F16D 1/10 (2006.01); F16H 48/38 (2012.01);
U.S. Cl.
CPC ...
F16H 48/40 (2013.01); F16D 1/112 (2013.01); F16H 48/08 (2013.01); F16H 57/043 (2013.01); F16H 57/0483 (2013.01); F16D 2001/103 (2013.01); F16H 2048/385 (2013.01); F16H 2048/405 (2013.01);
Abstract

The disclosure provides support for a differential assembly comprising part of a drive axle and comprising: a housing comprising a first portion and a second portion axially protruding from the first portion, and a crown gear fixed to the first portion of the housing via a plurality of fasteners and fixed to the second portion of the housing via a splined-slotted interface or a protrusion-slotted interface between an inner diameter of the crown gear and an outer diameter of the second portion of the housing, where the crown gear is physically decoupled from the drive shaft.

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Maffei, Claudio. (2026). Differential crown locking interface (U.S. Patent No. 12781842). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12781842

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

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