Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Colin William Francis0
Date of Patent
July 10, 2007
Patent Application Number
10525898
Date Filed
September 2, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pier (10) to be driven into a ground surface includes an auger member (11) having a shaft (12) that is rotated in a first direction to drive the auger member into the ground surface, and a compaction member (16) having a sleeve (17) surrounding a portion of the shaft. The compaction member (16) includes a compaction part (18) attached to and extending laterally outwardly of the sleeve (17). A threaded rod (23) engages the shaft (12) and is rotated to cause the compaction member (16) to move down the shaft (12) and compact the soil around the shaft.
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