Low lateral force drive roller system
AssigneeXerox Corporation
InventorVinod K. Agarwal
Life of this patent
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Abstract
A apparatus in which lateral movement of a moving belt is controlled so that the belt moves in a predetermined path. The apparatus includes dual oppositely wound, helical springs having a rectangular cross-section with a high friction material extruded thereon. The springs are mounted on a shaft with an adhesive.
Claims9
An apparatus for supporting a belt arranged to move in a predetermined path and for controlling lateral movement of the belt from the predetermined path, comprising:
- at least one rotatably mounted roller that includes a shaft;
- and dual oppositely wound helical springs fixed to said shaft, and wherein said oppositely wound helical springs are separately and individually coated with a high friction material.
An electrophotographic printing machine of the type having an endless photoconductive belt arranged to move in a predetermined path wherein the improved apparatus for supporting the photoconductive belt and controlling lateral movement of the photoconductive belt from the predetermined path includes:
- a shaft;
- dual oppositely wound helical springs fixed to said shaft;
- and wherein said oppositely wound helical springs are individually coated with a high friction material.
Dependencies are inferred from the claim text.