Patents by Inventor Shih-Ching Ko

Shih-Ching Ko 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).

  • Oil pipe connection device for a hydraulic brake
    Patent number: 9120471
    Abstract: An oil pipe connection device has a base, an oil pipe, a pipe connector and a securing nut. The base has a connection hole and an abutting shoulder. The pipe connector is mounted in the connection hole and has a tapered head, an insertion segment, a pressing collar and an engaging recess. The tapered head abuts with the abutting shoulder. The insertion segment is inserted tightly into an end of the oil pipe. The pressing collar is around the insertion segment and has an inclined guiding surface. The engaging recess is formed between the pressing collar and the insertion segment and holds the end of the oil pipe inside. The securing nut is mounted around the oil pipe, is connected with the connection hole in a threaded manner and has an inclined guiding surface abutting with the inclined guiding surface on the pressing collar.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: September 1, 2015
    Assignee: LEE CHI ENTERPRISES CO., LTD.
    Inventor: Shih-Ching Ko
  • Oil Pipe Connection Device for a Hydraulic Brake
    Publication number: 20140152004
    Abstract: An oil pipe connection device has a base, an oil pipe, a pipe connector and a securing nut. The base has a connection hole and an abutting shoulder. The pipe connector is mounted in the connection hole and has a tapered head, an insertion segment, a pressing collar and an engaging recess. The tapered head abuts with the abutting shoulder. The insertion segment is inserted tightly into an end of the oil pipe. The pressing collar is around the insertion segment and has an inclined guiding surface. The engaging recess is formed between the pressing collar and the insertion segment and holds the end of the oil pipe inside. The securing nut is mounted around the oil pipe, is connected with the connection hole in a threaded manner and has an inclined guiding surface abutting with the inclined guiding surface on the pressing collar.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 5, 2014
    Applicant: LEE CHI ENTERPRISES CO., LTD.
    Inventor: Shih-Ching Ko