| abstract |
Aspects of the invention relate to telescoping mast assemblies (telescoping "towers"), polygonal sided masts for use in such assemblies, methods of fabricating polygonal sided masts, methods and apparatus for sequentially actuating and deactuating hold down and locking mechanisms in telescoping towers, and such other aspects as will be understood from the present descriptions and drawings. Telescopic towers are usable for supporting and raising to a height radio antennas, television antennas, microphones, cameras, flood lights, and the like. |