US Patent 7581374 Grass cutting unit having compression molded UHMW plastic roller
Patent 7581374 was granted and assigned to The Toro Company (company) on September, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Scott M. Coffin0
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Patent abstract
A cutting unit for a mower is supported for rolling over the ground by at least one ground engaging roller. The roller may be grooved over its length to comprise a Wiehle roller. The roller is formed by an ultra high molecular weight plastic roller body that is integrally molded over and around a hollow aluminum tube. The aluminum tube has enlarged diameter knurled ends to help hold the roller body on the tube.
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US Patent 07581374 Grass cutting unit having compression molded UHMW plastic roller US Patent 7581374 Grass cutting unit having compression molded UHMW plastic roller
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Patent Number
07581374
Patent Number
7581374
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Official Website
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US Patent 07581374 Grass cutting unit having compression molded UHMW plastic roller
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Is a
Current assignee
Patent jurisdiction
Patent number
07581374
Date of patent
September 1, 2009
Patent application number
11235711
Date Filed
September 26, 2005
Patent primary examiner
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