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.

Date of Patent:
Nov. 04, 2025

Filed:

Dec. 19, 2024
Applicant:

Deere & Company, Moline, IL (US);

Inventor:

William J. Vande Haar, Janesville, IA (US);

Assignee:

DEERE & COMPANY, Moline, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 25/0638 (2006.01); F16D 48/02 (2006.01);
U.S. Cl.
CPC ...
F16D 25/0638 (2013.01); F16D 25/14 (2013.01); F16D 2500/1027 (2013.01);
Abstract

A hydraulic clutch of a work vehicle includes a clutch pack, a drum, a hub, a first piston, a piston guide, and a second piston. The first piston has a first end wall and a first engaging portion extending axially from the first end wall toward the clutch pack. The piston guide has a guide body extending axially from a closed end of the drum, passing through the first end wall of the first piston, and extending radially to an inner periphery of the first piston to form a chamber wall. The second piston is disposed on another side of the chamber wall and has a second end wall and a second engaging portion extending axially from the second end wall toward the clutch pack.


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