Extendable truck chassis with roller bogie
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United States of America Patent
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Aug 23, 2016
Grant Date -
N/A
app pub date -
Aug 24, 2013
filing date -
Jun 20, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A trailer chassis having a lower frame or roller bogie undergirding an upper frame may be extended to adjust the length of the trailer chassis in response to the weight of a shipping container being transported. The roller bogie is slidably coupled to the upper frame along two side support tubes which have locking assemblies to allow for the locking of the bogie to the upper frame with a dual sided, retractable locking pin. Each side support tube includes a plurality of opposing rollers embedded within each tube and has an upper rotating surface that protrudes through the top surface of the support tube so that as the bogie may be freely moved backwards or forwards relative to the upper frame and can be locked into an extended or retracted position. The movement of the bogie does not affect the position of a shipping container locked onto the chassis because the bogie movement is completely under and independent from the flatbed portion of the chassis supporting a shipping container. By extending the bogie relative to the upper chassis frame, the truck chassis may be adjusted to accommodate a heavier container weight and meet state transportation regulations.
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