Dual port lubricating oil monitoring and maintenance cap for a roller of a tracked vehicle
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United States of America Patent
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Sep 1, 2015
Grant Date -
Oct 2, 2014
app pub date -
Jun 16, 2014
filing date -
Jan 21, 2011
priority date (Note) -
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Abstract
A roller of a tracked vehicle includes a lubricating oil reservoir having an open end closed by a sealing body having an outer face and an opposed inner face facing the reservoir, and which is transparent to provide visual access into the reservoir through the open end for lubricating oil level and quality monitoring purposes. A depression with a raised rim is formed in the outer face of the sealing body, and a port is formed in the sealing body, which extends through the sealing body at the depression from the outer face to the inner face of the sealing body. A removable plug is applied to and closes the port, and is positioned in the depression and extends outwardly from the outer face of the sealing body no further than the raised rim isolating the plug from shearing forces across the outer face of the sealing body.
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