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US Patent 11746506 System for securing bits against rotation

Patent 11746506 was granted and assigned to Caterpillar Inc. on September, 2023 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

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Patent attributes

Patent Applicant

Caterpillar Inc.

Current Assignee

Caterpillar Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Thomas M. Congdon

David B. Parzynski

Date of Patent

September 5, 2023

Patent Application Number

17389495

Date Filed

July 30, 2021

Patent Citations

US Patent 9238893 Tooth and retainer for a milling drum

US Patent 10590632 System for securing bits against rotation

US Patent 10822770 Adapter board with pry points

US Patent 10851523 Retention system for motor grader bits

US Patent 10889966 Drafted tool bit and blade assembly

US Patent 11401685 Serrated blade assembly using differently configured components

US Patent 10914050 Adapter board with splined bushing

US Patent 7419224 Sleeve in a degradation assembly

...

Patent Primary Examiner

Gary S. Hartmann

CPC Code

A system for use in securing bits against rotation in a motor grader may include a bit, with the bit having a shank. The shank may include a locking portion. The system may include an adapter board including a hole configured to receive the shank of the bit. The system may also include an anti-rotation plate configured to engage the locking portion of the shank of the bit such that the anti-rotation plate constrains the bit against rotation with respect to the adapter board.

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