THERMOCHROMIC WHEEL LUG NUT DEVICE
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United States of America Patent
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Issued Date -
Nov 25, 2021
app pub date -
May 18, 2021
filing date -
May 19, 2020
priority date (Note) -
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Abstract
A wheel lug nut locking attachment, lug nut position locator device, or lug nut locking device is provided, wherein the attachment or devices include a thermochromic material which provides an indication of excess heat generation in the wheel assembly of a tractor trailer. A warning system to alert an operator of the present of excess heat in the wheel assembly is provided. In a preferred embodiment, the device also acts to lock a wheel lug nut to an adjacent wheel lug nut, so as to prevent or reduce rotation of the wheel lug nut. A plurality of thermochromic lug nut locking devices can be fitted to a single wheel so that all of the lug nuts are operatively locked to an adjacent lug nut. The resulting locking system can be rapidly installed on each lug nut on all wheels, so as to provide improved vehicle safety aspects.
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