Patents by Inventor Ching-Shan Wu

Ching-Shan Wu 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).

  • Publication number: 20020164094
    Abstract: A linear guide way structure comprises a guide rail, a slider, and two end cups. The slider has two ends each defining a ball return hole having a first-end-opening, and a ball groove having a second-end-opening. The adjustable end cup is provided with two ball direction changing paths each having a first-mating-end-opening abutting the first-end-opening of the ball return hole, and a second-mating-end-opening abutting the second-end-opening of the ball groove. The adjustable end cup is provided with a plurality of adjusting slits, and at least one of the adjusting slits has a determined depth so that the adjustable end cup is made flexible, thereby adjusting the distance between the two first-mating-end-openings of each of the two ball direction changing paths of the adjustable end cup, so that the first-mating-end-opening can be exactly engaged with the first-end-opening of the ball return hole.
    Type: Application
    Filed: May 4, 2001
    Publication date: November 7, 2002
    Inventors: Bing-Hung Luo, Ching-Shan Wu
  • Publication number: 20020021847
    Abstract: An elaborately designed linear guide way is disclosed herein. The structure utilizes spring strips to combine the sliding body assembly and the end caps instead of using screws or pins. The sliding body assembly and the end caps are combined together with an almost constant resilient force provided by the spring strips whose mechanical strength is greater than that of plastic material. The problem of exfoliation between two physically different materials such as metal and plastic never happens to the product of the present invention. Accordingly, the linear guide way of the present invention is easy to fabricate, operate, maintain with a low cost.
    Type: Application
    Filed: May 18, 2001
    Publication date: February 21, 2002
    Inventor: Ching-Shan Wu
  • Patent number: 6333628
    Abstract: A linear guide apparatus with magnetic distance sensor is disclosed. A magnetic tape is adhered right on the upper surface of the guide rail so as to minimize the variation of distance between the magnetic tape and a magnetic induction element to assure high distance sensing sensitivity when the slide block is exerted by a transverse thrust force. The magnetic tape can be adhered to the upper surface of the guide rail after the guide rail has been assembled to its base thereby facilitating the assembly work. The magnetic induction element is installed in an end cap of the slide block so that it is not necessary to modify the construction of the inner part of the slide block. As a result, the space is saved and the mechanical strength of the apparatus is increased.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: December 25, 2001
    Assignee: Hiwin Technologies Corp.
    Inventors: Chi-Wen Yeh, Ching-Shan Wu