Sprocket hub mounted guard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 28, 2015
Grant Date -
N/A
app pub date -
May 8, 2013
filing date -
Mar 26, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A guard for a crawler type land vehicles having a frame, a final drive on each side of the frame, the final drive including a spindle housing with a flange bolted to the frame and a sprocket hub rotationally supported on the spindle housing, a track sprocket on the sprocket hub, the spindle housing and hub establishing a small gap to form a mechanical shield to protect a rotational seal within the space enclosed by the spindle housing and sprocket hub, the guard being adapted to be assembled radially outward of the mechanical shield, the guard having a circular shell member for bolting to an inside face of the sprocket hub and extending axially in one piece across substantially all of the distance between the spindle flange and the sprocket hub, the guard shell having an internal circumferential groove, a circular radial flange for mounting in the space between the spindle flange and the sprocket hub, the guard shell being diametrally split whereby it can be radially assembled around the spindle flange with the radial flange closely fitting within the groove to form a stepped gap for excluding debris including strand material from a zone within the guard shell.
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