IP Library Granted Patent US 12,495,731
Granted Patent B2
US 12,495,731 · App. 17/864,084 · Granted Dec 16, 2025

Cutter bar skid shoe for an agricultural harvester header

Inventors: Mitchell Blank (Lancaster, PA); Joel T. Cook (Akron, PA); Joseph R. Best (Leola, PA); David V. Dobbins (Westmont, IL)
Assignee: CNH Industrial America LLC
A01D34/14A01D34/30
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,495,731
App. No.
17/864,084
Granted
Dec 16, 2025
Kind
B2
Abstract

A cutter bar skid shoe for a header of an agricultural harvester. The cutter bar skid shoe includes a skid plate having an upper surface, a lower surface, a fore end and an aft end. The cutter bar skid shoe further includes a cutter knife clip integral with and extending forwardly of the fore end of the skid plate for engaging a cutter knife blade.

Claims (25)

1 . A cutter bar skid shoe for a harvester header comprising:

a skid plate having an upper surface, a lower surface, a fore end and an aft end; and

a cutter knife clip integral with and extending forwardly of the fore end of the skid plate for engaging a cutter knife blade.

2 . The cutter bar skid shoe of claim 1 , wherein the skid plate and cutter knife clip is formed from a polymer.

3 . The cutter bar skid shoe of claim 1 , wherein the skid plate is formed from polyethylene.

4 . The cutter bar skid shoe of claim 3 , wherein the polyethylene is ultra high molecular weight polyethylene.

5 . The cutter bar skid shoe of claim 3 , wherein the polyethylene is crosslinked ultra high molecular weight polyethylene.

6 . The cutter bar skid shoe of claim 1 , wherein the cutter knife clip is formed from polyethylene.

7 . The cutter bar skid shoe of claim 6 , wherein the polyethylene is ultra high molecular weight polyethylene.

8 . The cutter bar skid shoe of claim 6 , wherein the polyethylene is crosslinked ultra high molecular weight polyethylene.

9 . The cutter bar skid shoe of claim 1 , wherein the cutter knife clip includes a biasing member.

10 . The cutter bar skid shoe of claim 9 , wherein the biasing member is a leaf spring mounted within the cutter knife clip.

11 . The cutter bar skid shoe of claim 9 , wherein the biasing member is completely housed within the cutter knife clip.

12 . The cutter bar skid shoe of claim 1 , wherein the skid plate comprises at least one rib extending along a length of the skid plate.

13 . The cutter bar skid shoe of claim 1 , wherein the cutter knife clip is arch-shaped.

14 . A header for an agricultural harvester comprising:

a frame;

a cutter bar including a cutter knife blade carried by the frame; and

the cutter bar skid shoe of claim 1 mounted to the cutter bar.

15 . The header of claim 14 , wherein the cutter bar further includes a cutter bar plate and a knife guard, and wherein the cutter bar skid shoe is mounted to the cutter bar between the cutter bar plate and the knife guard, and wherein the skid plate is sandwiched between the cutter bar plate and the knife guard, and wherein the cutter bar plate is mounted to the upper surface of the skid plate and the knife guard is mounted to the lower surface of the skid plate.

16 . The header of claim 14 , wherein the cutter knife clip engages the cutter knife blade.

17 . The header of claim 14 , wherein the fore end of the skid plate is adjacent an aft end of the cutter knife blade.

18 . The header of claim 14 , wherein the cutter bar skid shoe further comprises a fastener for securing the cutter bar skid shoe to the cutter bar.

19 . The header of claim 18 , wherein fastener secures the fore end of the skid plate to the cutter bar.

20 . An agricultural harvester comprising the header of claim 14 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2026
From: CNH INDUSTRIAL AMERICA LLC
To: BLUE LEAF I.P., INC.
Reel/Frame 075345/0217 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2022
From: BLANK, MITCHELL; BEST, JOSEPH R.; COOK, JOEL T.; DOBBINS, DAVID V.
To: CNH INDUSTRIAL AMERICA LLC
Reel/Frame 060498/0603 →
Continuity (2)
Provisional Application 63222082 · Jul 15, 2021
Related Publication 20230013518A1 · Jan 19, 2023
References Cited (35)
US 41556A · Wheeler, Jr. · 1864 [cited by examiner]
US 83628A · Hallenbeck · 1868 [cited by examiner]
US 164676A · Collins · 1875 [cited by examiner]
US 403699A · Replogle · 1889 [cited by examiner]
US 490024A · King · 1893 [cited by examiner]
US 637639A · Mischler · 1899 [cited by examiner]
US 666111A · Rauber · 1901 [cited by examiner]
US 805155A · Rarig · 1905 [cited by examiner]
US 930617A · Riley · 1909 [cited by examiner]
US 2203982A · Coultas · 1940 [cited by examiner]
US 2577939A · Wannebo · 1951 [cited by examiner]
US 2687000A · Valentine · 1954 [cited by examiner]
US 2791085A · Lewis · 1957 [cited by examiner]
US 3722196A · Templeton · 1973 [cited by examiner]
US 4199925A · Quick · 1980 [cited by examiner]
US 4660360A · Hardesty · 1987 [cited by examiner]
US 5343682A · Puncochar · 1994 [cited by examiner]
US 5617712A · Ibach · 1997 [cited by examiner]
US 9861036B2 · Totten et al. · 2018 [cited by applicant]
US 12268126B2 · Höller · 2025 [cited by examiner]
US 20030010009A1 · Bickel · 2003 [cited by examiner]
US 20050016151A1 · Lolley · 2005 [cited by examiner]
US 20070204589A1 · Coers · 2007 [cited by examiner]
US 20140165526A1 · Leys · 2014 [cited by examiner]
US 20180007827A1 · Talbot · 2018 [cited by examiner]
US 20200068800A1 · Talbot · 2020 [cited by examiner]
US 20200163280A1 · Figgins · 2020 [cited by examiner]
CA 2639359A1 · 2010 [cited by applicant]
CA 2937639A1 · 2018 [cited by applicant]
CA 3012682A1 · 2019 [cited by examiner]
DE 10045731A1 · 2002 [cited by examiner]
DE 102013100322A1 · 2014 [cited by examiner]
EP 3811763A1 · 2021 [cited by examiner]
WO WO2019048973A1 · 2019 [cited by examiner]
WO WO2020146604A1 · 2020 [cited by examiner]