Vehicle wheel positioning and steering apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 18, 2020
Grant Date -
Feb 7, 2019
app pub date -
Dec 21, 2017
filing date -
Dec 21, 2017
priority date (Note) -
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Abstract
A vehicle wheel positioning and steering apparatus particularly useful for aerial work platforms comprises a support chassis and chassis support legs pivotally connected to the chassis. Steerable wheel assemblies are operably connected at ends of the support legs and powered actuators are operably connected to the chassis and legs for pivotally moving the legs and wheel assemblies relative to the chassis between transport and working positions. Variable length linear wheel steering actuators comprise one link of four bar parallelogram steering linkages between the chassis and wheel assemblies and the support legs each comprise second bars of the four bar parallelogram steering linkages.
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