BRAKE SPIDER WELDMENT AND ANCHOR PIN ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Aug 5, 2010
app pub date -
Feb 5, 2009
filing date -
Feb 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved brake spider and anchor pin assembly in which weight, cost, manufacture, axle installation and maintenance is improved over prior brake spider designs. The improved brake spider is built up from light weight, relatively inexpensive stampings which are joined together, for example by welding, to form a strong built-up brake spider component. In one embodiment, two steel stampings formed with flanges and stamped strengthening ribs are welded together to form a hollow, structure which has the strength to withstand high brake force loads and large numbers of brake cycles. The built up brake spider may include one or more captured inserts in the form of anchor pin assemblies and a brake actuator rod pass-through support. The anchor pin insert may be in the form of a trunion having a middle section with a greater diameter than corresponding holes in the shell plates to preclude axial motion.
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