Precision molded gears for paper conveying mechanisms
AssigneeXerox Corporation
InventorPaul F. Mastro
Life of this patent
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Abstract
A precision gear for a drive mechanism in a sheet material feeding and processing device is formed of a plastic material and has a microcellular foam structure with micro-cells having a diameter of less than 50 microns. The gear is produced using an inert blowing agent introduced into a molten stream of the plastic material. The exposed surface of the gear is substantially void-free or free of exposed micro-cells.
Claims4
A precision gear for a drive mechanism in a sheet material feeding and processing device, the gear formed of a plastic material and having a microcellular foam structure with micro-cells having a diameter of less than 50 microns.
Dependencies are inferred from the claim text.