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If it is taller than can be easily reached to raise the flag, a cord is used, looping around a pulley at the top of the pole with the ends tied at the bottom. The flag is fixed to one lower end of the cord, and is then raised by pulling on the other end. The cord is then tightened and tied to the pole at the bottom.
A gin pole in use loading logs A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and ...
The material used for the new flagpole is Q345 steel. The steel and two cranes of the flag pole were both imported from Hong Kong. [1] The flagpole's construction took less than a month and was finished in September 2013. [5] The newer flagpole was divided into three segments. The old flagpole was moved to the Aguinaldo Shrine in Kawit, Cavite. [4]
The mechanical belt drive, using a pulley machine, was first mentioned in the text of the Dictionary of Local Expressions by the Han Dynasty philosopher, poet, and politician Yang Xiong (53–18 BC) in 15 BC, used for a quilling machine that wound silk fibres onto bobbins for weavers' shuttles. [1]
The flagpole lacked a pulley system, and thus the flag could not be flown at half-staff, only removed or left in place, as it was. [200] Flags flying over Fort Sumter in 2009, including Confederate national flags. In June 2015, the National Park Service ceased flying Confederate flags over Fort Sumter. [201]
The pulley can turn freely while the weights move up or down as the wires contract or expand. If tension is lost the pulley falls back toward the mast, and one of its teeth jams against the stop. This stops further rotation, limits the damage, and keeps the undamaged part of the wire intact until it can be repaired.