US Patent 6945742 Portable manhole cover remover
Patent 6945742 was granted and assigned to LG on September, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A manhole cover remover, including an attachment; a support; a pivot arm having a proximal end hinged to the support and the pivot arm having a distal end; a connector joining the attachment to the distal end of the pivot arm; a winch joined to the distal end of the pivot arm; and a power source, the power source in operable communication with the winch and method of use including the steps of rotating a pivot arm down toward a manhole over; connecting the pivot arm to the manhole cover; and winching the pivot arm upward.
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Patent Inventor Names
Dave Roberts0
Date of Patent
September 20, 2005
0Patent Application Number
101772590
Date Filed
June 20, 2002
0Patent Primary Examiner
Golden AI
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US Patent 6945742 Portable manhole cover remover
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