Patents by Inventor Nanjun Zheng

Nanjun Zheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Positioning structure of roller adapted for an auto document feed apparatus
    Patent number: 6978998
    Abstract: A positioning structure of a roller adapted for auto document feed apparatus includes a flexible shaft and a flexible arm. The flexible arm has a first portion integrally formed with the flexible shaft, a second portion arranged into a clamping portion of auto document feed apparatus, and a third portion formed between the first portion and the second portion. Therefore, the positioning structure can reduce higher manufacturing cost and tedious processes and indirectly decrease longer fabrication and maintainability time.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: December 27, 2005
    Assignee: Lite-On Technology Corporation
    Inventor: Nanjun Zheng
  • Positioning structure of roller adapted for an auto document feed apparatus
    Publication number: 20040245715
    Abstract: A positioning structure of roller adapted for auto document feed apparatus includes a flexible shaft and a flexible arm. Wherein the flexible arm has a first portion integrally formed with the flexible shaft, a second portion is arranged on a clamping portion of auto document feed apparatus, and a third portion is formed between the first portion and the second portion. Thereby, reducing higher manufactured cost and tedious processes, indirectly, decrease longer time of fabrication and maintainability.
    Type: Application
    Filed: May 5, 2003
    Publication date: December 9, 2004
    Inventor: Nanjun Zheng