Swing arm idler rise height adjustment
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United States of America Patent
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-
Jun 5, 2018
Issued Date -
N/A
app pub date -
Aug 4, 2016
filing date -
Aug 4, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An idler wheel recoil assembly mounts an idler wheel to a roller frame of an undercarriage of a track-type machine. The idler wheel recoil assembly includes a recoil shaft and spring mounted on the roller frame for reciprocal movement of the recoil shaft, and a swing arm pivotally connected to a guard mounted on the roller frame by a guard mounting assembly and having the idler wheel rotatably mounted thereon. A yoke is pivotally connected between the recoil shaft and the swing arm. A guard mounting assembly connects the guard to the roller frame of the undercarriage and has a plurality of mounting positions for securing the guard to the roller frame, with an idler rise height of the idler wheel relative to the roller frame being different when the guard is secured to the roller frame in each of the plurality of mounting positions of the guard mounting assembly.
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