IP Library › Granted Patent US 7,563,064
Granted Patent B2
US 7,563,064 · App. 11/295,827 · Granted Jul 21, 2009

Shear resistant rivet and saw chain

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Quick Facts
Patent No.
US 7,563,064
App. No.
11/295,827
Granted
Jul 21, 2009
Kind
B2
Abstract

A saw chain rivet is provided including a flange, and a hub extending from a side of the flange. A shoulder defined by a junction between the hub and the flange has properties optimized to resist shear forces. The hub may be optimized for ease of rivet head formation.

Claims (5)

1. A saw chain rivet comprising:

a flange having a circumferential surface optimized to resist wear and having a hardness of greater than or equal to HRC 58;

a hub extending from a side of the flange, wherein the hub includes a deformable region having a hardness substantially in the range of HRC 25 to 35;

a shoulder defined by a junction between the flange and the hub having strength properties optimized to resist shear forces, and the hub having strength properties optimized for rivet head formation; and

wherein the hub includes an end that is hardened to a strength greater than that of the hardness of the deformable regions.

Assignments (14)
THIRD LIEN PATENT SECURITY AGREEMENT Recorded Mar 10, 2025
From: OREGON TOOL, INC.; WOODS EQUIPMENT CO.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 070454/0422 →
INTERCOMPANY PATENT SECURITY AGREEMENT Recorded Mar 3, 2025
From: OREGON TOOL, INC.; WOODS EQUIPMENT COMPANY
To: GLAS AMERICAS LLC, AS COLLATERAL AGENT
Reel/Frame 070376/0194 →
SECOND LIEN PATENT SECURITY AGREEMENT Recorded Mar 3, 2025
From: OREGON TOOL, INC.; WOODS EQUIPMENT COMPANY
To: GLAS AMERICAS LLC, AS COLLATERAL AGENT
Reel/Frame 070376/0220 →
PATENT SECURITY AGREEMENT Recorded Mar 3, 2025
From: OREGON TOOL, INC.; WOODS EQUIPMENT COMPANY
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 070376/0180 →
SECURITY AGREEMENT (ABL) Recorded Oct 19, 2021
From: OREGON TOOL, INC.; SPEECO, INCORPORATED; WOODS EQUIPMENT COMPANY
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 057859/0549 →
RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT R/F 038427/0148 Recorded Oct 15, 2021
From: BARCLAYS BANK PLC, AS COLLATERAL AGENT
To: OREGON TOOL, INC. (F/K/A BLOUNT, INC.)
Reel/Frame 057827/0237 →
SECURITY AGREEMENT (TERM LOAN) Recorded Oct 15, 2021
From: OREGON TOOL, INC.; SPEECO, INCORPORATED; WOODS EQUIPMENT COMPANY
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 057827/0381 →
CHANGE OF NAME Recorded Feb 15, 2021
From: BLOUNT, INC.
To: OREGON TOOL, INC.
Reel/Frame 055304/0480 →
SECURITY INTEREST Recorded Apr 13, 2016
From: BLOUNT, INC.
To: BARCLAYS BANK PLC, AS COLLATERAL AGENT
Reel/Frame 038427/0148 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS FILED AT R/F 035595/0451 Recorded Apr 12, 2016
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: BLOUNT, INC.
Reel/Frame 038419/0815 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded May 6, 2015
From: BLOUNT, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 035595/0451 →
RELEASE OF PATENT SECURITY INTEREST Recorded May 6, 2015
From: GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENT
To: SPEECO, INCORPORATED; WOODS EQUIPMENT COMPANY; BLOUNT, INC.; BLOUNT INTERNATIONAL, INC.; DIXON INDUSTRIES, INC.; FABTEK CORPORATION; FREDERICK MANUFACTURING CORPORATION; GEAR PRODUCTS, INC.; WINDSOR FORESTRY TOOLS LLC; OMARK PROPERTIES, INC.; BI, L.L.C.; 4520 CORP., INC.
Reel/Frame 035603/0495 →
SUPPLEMENTAL PATENT SECURITY AGREEMENT Recorded Jun 27, 2011
From: BLOUNT, INC.
To: GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENT
Reel/Frame 026508/0841 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2005
From: SEIGNEUR, CHRIS; PENROSE, DAVID SCOTT
To: BLOUNT, INC.
Reel/Frame 017339/0573 →