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Drive axle system having a clutching device

  • US 9,457,656 B2
  • Filed: 07/02/2015
  • Issued: 10/04/2016
  • Est. Priority Date: 07/20/2010
  • Status: Active Grant
First Claim
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1. A drive axle system, comprising:

  • a first shaft comprising at least one shaft section;

    a bevel gear inter-axle differential comprising a first side gear, a driving spider, and a second side gear, the driving spider drivingly engaged with the first shaft;

    a first axle assembly comprising a first wheel differential, a first driving gear coupled to the first wheel differential and drivingly engaged with the second side gear of the bevel gear inter-axle differential, and a first pair of output axles drivingly engaged with the first wheel differential;

    a second axle assembly comprising a second wheel differential, a second driving gear coupled to the second wheel differential, a second pair of output axles drivingly engaged with the second wheel differential, and a first clutching device disposed on and dividing one of the second pair of output axles into first and second portions; and

    a second clutching device having at least a first position and a second position, wherein the second clutching device in the first position drivingly engages the second driving gear with the first side gear of the bevel gear inter-axle differential and the second clutching device in the second position drivingly engages the first side gear of the bevel gear inter-axle differential with the driving spider of the bevel gear inter-axle differential.

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