Patent ID: 8177229

Claim:
A sheet transport roller system for use in a document processing device, the sheet transport roller system comprising: a plurality of idler rollers; a plurality of drive rollers, wherein each drive roller corresponds to a corresponding idler roller; and a load distribution mechanism configured to support the plurality of idler rollers, wherein the load distribution mechanism comprises: a center loading spring in contact with a portion of the document processing device other than the sheet transport roller system, a load distribution bar pivotally connected to the center loading spring, an idler shaft configured to support a first idler roller and a second idler roller, wherein the idler shaft is pivotally connected to the load distribution bar substantially at a midpoint of the idler shaft, and an idler mount configured to support a third idler roller, wherein the idler mount is pivotally connected to the load distribution bar, wherein the load distribution mechanism is configured to equalize normal forces applied by each idler roller towards the corresponding drive roller.