Patents by Inventor Kam Fung Cheng

Kam Fung Cheng 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).

  • Method of manufacturing suspension support devices
    Patent number: 8516704
    Abstract: A method of manufacturing suspension devices comprising the steps of: a) forming an integral elastic sheet, the elastic sheet having first and second suspension devices, each suspension device being provided with attachment parts configured to be fixed to a movable object, fixing parts configured to be fixed to a base, and elastic parts connected between the attachment parts and the fixing parts respectively and configured to bias the object relative to the base, the elastic parts of the suspension devices being alternately distributed; b) separating the first and second suspension devices from each other before being attached to the object.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: August 27, 2013
    Assignee: Johnson Electric S.A.
    Inventors: Guo Ji Zhang, Kam Fung Cheng, Yue Li, Jian Hong Wu, Hong Liu, Guan Lei Jiang
  • METHOD OF MANUFACTURING SUSPENSION SUPPORT DEVICES
    Publication number: 20100005660
    Abstract: A method of manufacturing suspension devices comprising the steps of: a) forming an integral elastic sheet, the elastic sheet having first and second suspension devices, each suspension device being provided with attachment parts configured to be fixed to a movable object, fixing parts configured to be fixed to a base, and elastic parts connected between the attachment parts and the fixing parts respectively and configured to bias the object relative to the base, the elastic parts of the suspension devices being alternately distributed; b) separating the first and second suspension devices from each other before being attached to the object.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 14, 2010
    Inventors: Guo Ji ZHANG, Kam Fung Cheng, Yue Li, Jian Hong Wu, Hong Liu, Guan Lei Jiang