The History of Invention of Conveyable Lighting Tower
Who invented the 1st cartable lighting tower?
This depends principally on your definition of a lighting tower. A detailed definition may include something as straightforward as a candle or primitive torch placed on a tall mast to cast light over a large area, such a device has probably been in use since the Stone Age.
In more recent history it’s un-clear as to when the modern lighting tower was invented. Researching patent applications indicates that machines not dissimilar to today’s lighting towers were being designed in the 1930s.
A patent from 1932 shows what could be the 1st machine of its kind filed in US patent 1934576 and is named as a movable floodlighting unit for airports.
The patent describes a frame with four wheels at every corner ( permitting the machine to be towed ), a generator powered by an engine and one giant electrical lamp at every end of the auto. The machine is meant to be used to provide on-demand lighting of alternative landing sites at airfields on occasions when the main landing areas are out of use due to adverse weather conditions.
More lately in 1980 a US patent 4181929 was filed for a Portable illuminating tower that illustrates a much more close resemblance to present day lighting towers.
The US patent 4181929 describes a cartable lighting tower composed of a base frame ( which has an engine and generator ) and a vertical, extending, hydraulic mast with 2 electric lamps at the higher end. The unit doesn’t permit towing but instead is lightweight and compact enough to be simply transported. The design also includes jack legs that are now common place on all lighting towers to ensure stability in high winds.
This is quite a significant development in the history of the lighting tower as this patent largely forms the basis of most current day lighting towers which contain similar elements such as a base that stores the engine and generator with an extending hydraulic mast that supports the luminaries.
The following patent was filed later on in the same year of 1980 but was for a solution to provide more in depth illumination. The US patent 4220981 describes a framework with 4 wheels to hold the generator and engine and two folding telescopic masts at opposite corners of the framework that each hold a cluster of electrical lamps. The design also permits for the masts to be revolved enabling finer control over the area of illumination. By offering two masts the light tower also allows for illumination over just about every side of the machine. This is unlike prior light towers which often offer illumination on only one side of the machine.
Since 1980 substantial progress has been made by lighting tower manufacturers. Though the final design has sundry little from those seen in the 1980s many improvements have been made to make lighting towers easier to use and more green.
The Hylite lighting tower from Taylor Construction Plant includes Adjustabeam technology which permits the user to adjust the direction of each lamp from the ground. The TCP Hylite also has a flexible frame design which permits just about any generator to be used to power the light heads.
The TCP Ecolite lighting tower in addition has damaged new ground by using highly economical lamps to reduce fuel consumption dramatically, which is particularly timely seeing as global warming is beginning to become a more and more prevalent concern.
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Tags: lighting, lighting tower