Telescoping mast assembly with safety latch system
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United States of America Patent
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Mar 21, 2017
Issued Date -
N/A
app pub date -
Jan 28, 2016
filing date -
Jan 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A safety latch telescoping mast system for a portable light tower having a towable trailer having a frame and an engine driven electrical generator and a light assembly for attachment to the uppermost end of a telescoping mast member, which includes a pivotable spring loaded safety latch assembly positioned to remain in a first, cocked, position wherein an idler roller is in rotational engagement with a hoisting cable and the latch is outside the opening in the stationary mast member when the first hoisting cable is under tension, which trips to a second, position wherein the latch passes through the opening in the stationary mast member and engages into a slot in the first telescoping mast member when the tension on the first hoisting cable is relieved.
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Cited Art Landscape
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