Patents by Inventor Shun-Yuan Chu

Shun-Yuan Chu 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).

  • Seat reclining mechanism for power wheelchair
    Patent number: 7585019
    Abstract: A seat reclining mechanism for a power wheelchair implements an actuator and a plurality of linkages mechanistically connected to the seat portion, back portion, arm rests and footrests of the wheelchair to recline the back portion and shift the seat in harmony with the center-of-gravity position of the wheelchair it is attached to synchronously. So that a user can be free from the risk of falling during operation of the seat reclining mechanism.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: September 8, 2009
    Assignee: Cycling & Health Tech Industry R & D Center
    Inventors: Alfred Huang, Shun-Yuan Chu
  • Seat reclining mechanism for power wheelchair
    Publication number: 20080129099
    Abstract: A seat reclining mechanism for a power wheelchair implements an actuator and a plurality of linkages mechanistically connected to the seat portion, back portion, arm rests and footrests of the wheelchair to recline the back portion and shift the seat in harmony with the center-of-gravity position of the wheelchair it attached to synchronously. So that a user can be free from the risk of falling during operation of the seat reclining mechanism.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 5, 2008
    Inventors: Alfred Huang, Shun-Yuan Chu