Patents by Inventor Hui Ming Wang

Hui Ming Wang 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).

  • Retractable handle of wheeled luggage having one or two pulling rods
    Patent number: 6978514
    Abstract: A retractable handle of wheeled luggage is provided. For the case of single pulling rod, pressing a push button will tighten a connecting rod to move a lower sliding block to a one direction so that an upright rod is pressed to lower a locking member and an upright member to clear the locking member from a toothed member, thereby unlocking both the swivel handle grip and the pulling rod. For the case of two pulling rods, there is further provided another transmission mechanism so that pressing the push button will further unlock locking devices in the pulling rods via coupling rods.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: December 27, 2005
    Assignee: Chaw Khong Technology Co., Ltd.
    Inventors: Chung-Hsien Kuo, Hui Ming Wang
  • Retractable handle of wheeled luggage having one or two pulling rods
    Publication number: 20040181906
    Abstract: A retractable handle of wheeled luggage is provided. For the case of single pulling rod, pressing a push button will tighten a connecting rod to move a lower sliding block to a one direction so that an upright rod is pressed to lower a locking member and an upright member to clear the locking member from a toothed member, thereby unlocking both the swivel handle grip and the pulling rod. For the case of two pulling rods, there is further provided another transmission mechanism so that pressing the push button will further unlock locking devices in the pulling rods via coupling rods.
    Type: Application
    Filed: March 22, 2004
    Publication date: September 23, 2004
    Applicant: CHAW KHONG TECHNOLOGY CO., LTD.
    Inventors: Chung-Hsien Kuo, Hui Ming Wang