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US Patent 7255143 Quad wedge tip up log splitter

Patent 7255143 was granted and assigned to NORTHERN TOOL & EQUIPMENT COMPANY, INC on August, 2007 by the United States Patent and Trademark Office.

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Current Assignee
NORTHERN TOOL & EQUIPMENT COMPANY, INC
NORTHERN TOOL & EQUIPMENT COMPANY, INC
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7255143
Date of Patent
August 14, 2007
Patent Application Number
11490660
Date Filed
July 21, 2006
Patent Citations Received
‌
US Patent D1026978 Electric wood splitter
3
Patent Primary Examiner
‌
Bena Miller
Patent abstract

A uniquely configured quad wedge allows for the creation of a tip-up log splitter that is capable of multiple splits in a single stroke of the drive mechanism. The quad wedge is attached to the piston of a hydraulic cylinder, and is slidably mounted to a framework to allow for movement through a splitting zone. The quad wedge further includes a main splitting blade, along with a pair of splitting wings extending outwardly in a perpendicular manner. The blades each have structures on the ends thereof which are configured to help contain a log during splitting operations, thus avoiding undesired movement or wandering. The log splitter further includes a stripper mechanism positioned near the cylinder housing to allow jammed logs to be easily removed, which includes a recess to house the quad wedge when retracted. A jammed log will necessarily contact the stripper mechanism, causing it to be removed from the blade.

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