Importance

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Abstract

The present invention provides a swing-away stair assembly including a pivot bracket assembly for supporting a stair body for pivotal movement on a work machine, such as a landfill compactor. The pivot bracket assembly includes a stair support sub-assembly having an attachment portion for attaching to the stair body and a pivot portion spaced from the attachment portion. The pivot bracket assembly further includes a pivot mount sub-assembly for attaching the swing-away assembly to the lateral side of the machine, the pivot mount sub-assembly including a mounting portion for attaching to the lateral side of the machine and a pivot portion spaced from the mounting portion. A hinge member cooperates with the stair support sub-assembly and the pivot mount sub-assembly whereby the stair support sub-assembly is supported for pivotal movement relative to the pivot mount sub-assembly for supporting the stair for pivotal movement relative to the lateral side of the machine. The hinge member provides a pivot axis for the stair body which is located laterally outwardly from the lateral side of the work machine whereby the stair body is supported for movement around a rear wheel of the work machine, and is capable of 180.degree. of pivotal movement between an operational position extending over the rear wheel and an access position displaced from the rear wheel.

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First Claim