Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven A. Olsen0
Date of Patent
April 12, 2011
Patent Application Number
12533054
Date Filed
July 31, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column.
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