Mechanically steered articulating dolly transport system
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United States of America Patent
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Jun 9, 2015
Grant Date -
Oct 3, 2013
app pub date -
Mar 28, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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Abstract
The present invention relates to a mechanically steered articulating dolly transport system for transporting large structures such as a drilling mast over the federal highway system. Generally, the invention relates to an articulating dolly system that utilizes a unique mechanical system for steering a first dolly with a path generated by the movement of the load held by the second dolly. More particularly, the invention provides a front dolly steered by a non-rotatable front steering frame, a rear dolly having a pivotally mounted turntable and a pair of steering links connected between the respective sides of the front steering frame and the turntable. The left steering link and the right steering link are located in a first plane. One or both of the turntable and the steering frame being located on a second plane that is not the first plane. Moment forces generated between plane one and plane two elastically deform one or both of the steering frame and the turntable to permit the transport system to make a left-hand or right-hand turn.
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